< draft-ietf-pce-pcep-yang-07.txt		draft-ietf-pce-pcep-yang-08.txt >
	PCE Working Group D. Dhody, Ed.		PCE Working Group D. Dhody, Ed.
	Internet-Draft Huawei Technologies		Internet-Draft Huawei Technologies
	Intended status: Standards Track J. Hardwick		Intended status: Standards Track J. Hardwick
	Expires: September 6, 2018 Metaswitch		Expires: December 24, 2018 Metaswitch
	V. Beeram		V. Beeram
	Juniper Networks		Juniper Networks
	J. Tantsura		J. Tantsura
	March 5, 2018		June 22, 2018
	A YANG Data Model for Path Computation Element Communications Protocol		A YANG Data Model for Path Computation Element Communications Protocol
	(PCEP)		(PCEP)
	draft-ietf-pce-pcep-yang-07		draft-ietf-pce-pcep-yang-08
	Abstract		Abstract
	This document defines a YANG data model for the management of Path		This document defines a YANG data model for the management of Path
	Computation Element communications Protocol (PCEP) for communications		Computation Element communications Protocol (PCEP) for communications
	between a Path Computation Client (PCC) and a Path Computation		between a Path Computation Client (PCC) and a Path Computation
	Element (PCE), or between two PCEs. The data model includes		Element (PCE), or between two PCEs. The data model includes
	configuration data and state data (status information and counters		configuration data and state data (status information and counters
	for the collection of statistics).		for the collection of statistics).
	skipping to change at page 1, line 40 ¶		skipping to change at page 1, line 40 ¶
	Internet-Drafts are working documents of the Internet Engineering		Internet-Drafts are working documents of the Internet Engineering
	Task Force (IETF). Note that other groups may also distribute		Task Force (IETF). Note that other groups may also distribute
	working documents as Internet-Drafts. The list of current Internet-		working documents as Internet-Drafts. The list of current Internet-
	Drafts is at https://datatracker.ietf.org/drafts/current/.		Drafts is at https://datatracker.ietf.org/drafts/current/.
	Internet-Drafts are draft documents valid for a maximum of six months		Internet-Drafts are draft documents valid for a maximum of six months
	and may be updated, replaced, or obsoleted by other documents at any		and may be updated, replaced, or obsoleted by other documents at any
	time. It is inappropriate to use Internet-Drafts as reference		time. It is inappropriate to use Internet-Drafts as reference
	material or to cite them other than as "work in progress."		material or to cite them other than as "work in progress."
	This Internet-Draft will expire on September 6, 2018.		This Internet-Draft will expire on December 24, 2018.
	Copyright Notice		Copyright Notice
	Copyright (c) 2018 IETF Trust and the persons identified as the		Copyright (c) 2018 IETF Trust and the persons identified as the
	document authors. All rights reserved.		document authors. All rights reserved.
	This document is subject to BCP 78 and the IETF Trust's Legal		This document is subject to BCP 78 and the IETF Trust's Legal
	Provisions Relating to IETF Documents		Provisions Relating to IETF Documents
	(https://trustee.ietf.org/license-info) in effect on the date of		(https://trustee.ietf.org/license-info) in effect on the date of
	publication of this document. Please review these documents		publication of this document. Please review these documents
	skipping to change at page 2, line 22 ¶		skipping to change at page 2, line 22 ¶
	1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2		1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
	2. Requirements Language . . . . . . . . . . . . . . . . . . . . 3		2. Requirements Language . . . . . . . . . . . . . . . . . . . . 3
	3. Terminology and Notation . . . . . . . . . . . . . . . . . . 3		3. Terminology and Notation . . . . . . . . . . . . . . . . . . 3
	3.1. Tree Diagrams . . . . . . . . . . . . . . . . . . . . . . 4		3.1. Tree Diagrams . . . . . . . . . . . . . . . . . . . . . . 4
	3.2. Prefixes in Data Node Names . . . . . . . . . . . . . . . 4		3.2. Prefixes in Data Node Names . . . . . . . . . . . . . . . 4
	4. Objectives . . . . . . . . . . . . . . . . . . . . . . . . . 5		4. Objectives . . . . . . . . . . . . . . . . . . . . . . . . . 5
	5. The Design of PCEP Data Model . . . . . . . . . . . . . . . . 6		5. The Design of PCEP Data Model . . . . . . . . . . . . . . . . 6
	5.1. The Overview of PCEP Data Model . . . . . . . . . . . . . 6		5.1. The Overview of PCEP Data Model . . . . . . . . . . . . . 6
	5.2. The Full PCEP Data Model . . . . . . . . . . . . . . . . 7		5.2. The Full PCEP Data Model . . . . . . . . . . . . . . . . 7
	5.3. The Entity . . . . . . . . . . . . . . . . . . . . . . . 15		5.3. The Entity . . . . . . . . . . . . . . . . . . . . . . . 22
	5.4. The Peer Lists . . . . . . . . . . . . . . . . . . . . . 16		5.4. The Peer Lists . . . . . . . . . . . . . . . . . . . . . 22
	5.5. The Session Lists . . . . . . . . . . . . . . . . . . . . 16		5.5. The Session Lists . . . . . . . . . . . . . . . . . . . . 23
	5.6. Notifications . . . . . . . . . . . . . . . . . . . . . . 17		5.6. Notifications . . . . . . . . . . . . . . . . . . . . . . 23
	5.7. RPC . . . . . . . . . . . . . . . . . . . . . . . . . . . 17		5.7. RPC . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
	6. The Design of PCEP Statistics Data Model . . . . . . . . . . 17		6. The Design of PCEP Statistics Data Model . . . . . . . . . . 23
	7. Advanced PCE Features . . . . . . . . . . . . . . . . . . . . 20		7. Advanced PCE Features . . . . . . . . . . . . . . . . . . . . 27
	7.1. Stateful PCE's LSP-DB . . . . . . . . . . . . . . . . . . 20		7.1. Stateful PCE's LSP-DB . . . . . . . . . . . . . . . . . . 28
	8. Open Issues and Next Step . . . . . . . . . . . . . . . . . . 21		8. Open Issues and Next Step . . . . . . . . . . . . . . . . . . 28
	8.1. The PCE-Initiated LSP . . . . . . . . . . . . . . . . . . 21		8.1. The PCE-Initiated LSP . . . . . . . . . . . . . . . . . . 28
	9. Other Considerations . . . . . . . . . . . . . . . . . . . . 21		9. Other Considerations . . . . . . . . . . . . . . . . . . . . 29
	9.1. PCEP over TLS (PCEPS) . . . . . . . . . . . . . . . . . . 21		9.1. PCEP over TLS (PCEPS) . . . . . . . . . . . . . . . . . . 29
	10. PCEP YANG Modules . . . . . . . . . . . . . . . . . . . . . . 21		10. PCEP YANG Modules . . . . . . . . . . . . . . . . . . . . . . 29
	10.1. ietf-pcep module . . . . . . . . . . . . . . . . . . . . 21		10.1. ietf-pcep module . . . . . . . . . . . . . . . . . . . . 29
	10.2. ietf-pcep-stats module . . . . . . . . . . . . . . . . . 77		10.2. ietf-pcep-stats module . . . . . . . . . . . . . . . . . 87
	11. Security Considerations . . . . . . . . . . . . . . . . . . . 97		11. Security Considerations . . . . . . . . . . . . . . . . . . . 107
	12. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 98		12. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 108
	13. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 98		13. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 109
	14. References . . . . . . . . . . . . . . . . . . . . . . . . . 98		14. References . . . . . . . . . . . . . . . . . . . . . . . . . 109
	14.1. Normative References . . . . . . . . . . . . . . . . . . 98		14.1. Normative References . . . . . . . . . . . . . . . . . . 109
	14.2. Informative References . . . . . . . . . . . . . . . . . 100		14.2. Informative References . . . . . . . . . . . . . . . . . 111
	Appendix A. Example . . . . . . . . . . . . . . . . . . . . . . 102		Appendix A. Example . . . . . . . . . . . . . . . . . . . . . . 112
	Appendix B. Contributor Addresses . . . . . . . . . . . . . . . 104		Appendix B. Contributor Addresses . . . . . . . . . . . . . . . 115
	Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 105		Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 116
	1. Introduction		1. Introduction
	The Path Computation Element (PCE) defined in [RFC4655] is an entity		The Path Computation Element (PCE) defined in [RFC4655] is an entity
	that is capable of computing a network path or route based on a		that is capable of computing a network path or route based on a
	network graph, and applying computational constraints. A Path		network graph, and applying computational constraints. A Path
	Computation Client (PCC) may make requests to a PCE for paths to be		Computation Client (PCC) may make requests to a PCE for paths to be
	computed.		computed.
	PCEP is the communication protocol between a PCC and PCE and is		PCEP is the communication protocol between a PCC and PCE and is
	skipping to change at page 3, line 26 ¶		skipping to change at page 3, line 26 ¶
	of PCEP speakers. It is important to establish a common data model		of PCEP speakers. It is important to establish a common data model
	for how PCEP speakers are identified, configured, and monitored. The		for how PCEP speakers are identified, configured, and monitored. The
	data model includes configuration data and state data (status		data model includes configuration data and state data (status
	information and counters for the collection of statistics).		information and counters for the collection of statistics).
	This document contains a specification of the PCEP YANG module,		This document contains a specification of the PCEP YANG module,
	"ietf-pcep" which provides the PCEP [RFC5440] data model.		"ietf-pcep" which provides the PCEP [RFC5440] data model.
	The PCEP operational state is included in the same tree as the PCEP		The PCEP operational state is included in the same tree as the PCEP
	configuration consistent with Network Management Datastore		configuration consistent with Network Management Datastore
	Architecture [I-D.ietf-netmod-revised-datastores]. The origin of the		Architecture [RFC8342]. The origin of the data is indicated as per
	data is indicated as per the origin metadata annotation.		the origin metadata annotation.
	2. Requirements Language		2. Requirements Language
	The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",		The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
	"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and		"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
	"OPTIONAL" in this document are to be interpreted as described in BCP		"OPTIONAL" in this document are to be interpreted as described in BCP
	14 [RFC2119] [RFC8174] when, and only when, they appear in all		14 [RFC2119] [RFC8174] when, and only when, they appear in all
	capitals, as shown here.		capitals, as shown here.
	3. Terminology and Notation		3. Terminology and Notation
	skipping to change at page 4, line 46 ¶		skipping to change at page 4, line 46 ¶
	o Path Setup Type (PST).		o Path Setup Type (PST).
	[I-D.ietf-pce-segment-routing] :		[I-D.ietf-pce-segment-routing] :
	o Segment Routing (SR).		o Segment Routing (SR).
	3.1. Tree Diagrams		3.1. Tree Diagrams
	A simplified graphical representation of the data model is used in		A simplified graphical representation of the data model is used in
	this document. The meaning of the symbols in these diagrams is		this document. The meaning of the symbols in these diagrams is
	defined in [I-D.ietf-netmod-yang-tree-diagrams].		defined in [RFC8340].
	3.2. Prefixes in Data Node Names		3.2. Prefixes in Data Node Names
	In this document, names of data nodes and other data model objects		In this document, names of data nodes and other data model objects
	are often used without a prefix, as long as it is clear from the		are often used without a prefix, as long as it is clear from the
	context in which YANG module each name is defined. Otherwise, names		context in which YANG module each name is defined. Otherwise, names
	are prefixed using the standard prefix associated with the		are prefixed using the standard prefix associated with the
	corresponding YANG module, as shown in Table 1.		corresponding YANG module, as shown in Table 1.
	+-----------+-----------------+-------------------------------------+		+-----------+-----------------+-------------------------------------+
	| Prefix | YANG module | Reference |		| Prefix | YANG module | Reference |
	+-----------+-----------------+-------------------------------------+		+-----------+-----------------+-------------------------------------+
	| yang | ietf-yang-types | [RFC6991] |		| yang | ietf-yang-types | [RFC6991] |
	| inet | ietf-inet-types | [RFC6991] |		| inet | ietf-inet-types | [RFC6991] |
	| te | ietf-te | [I-D.ietf-teas-yang-te] |		| te | ietf-te | [I-D.ietf-teas-yang-te] |
	| te-types | ietf-te-types | [I-D.ietf-teas-yang-te] |		| te-types | ietf-te-types | [I-D.ietf-teas-yang-te] |
	| key-chain | ietf-key-chain | [RFC8177] |		| key-chain | ietf-key-chain | [RFC8177] |
	| nacm | ietf-netconf- | [RFC6536] |		| nacm | ietf-netconf- | [RFC8341] |
	| | acm | |		| | acm | |
	| tls- | ietf-tls-server | [I-D.ietf-netconf-tls-client-server |		| tls- | ietf-tls-server | [I-D.ietf-netconf-tls-client-server |
	| server | | ] |		| server | | ] |
	| tls- | ietf-tls-client | [I-D.ietf-netconf-tls-client-server |		| tls- | ietf-tls-client | [I-D.ietf-netconf-tls-client-server |
	| client | | ] |		| client | | ] |
	+-----------+-----------------+-------------------------------------+		+-----------+-----------------+-------------------------------------+
	Table 1: Prefixes and corresponding YANG modules		Table 1: Prefixes and corresponding YANG modules
	4. Objectives		4. Objectives
	skipping to change at page 7, line 32 ¶		skipping to change at page 7, line 32 ¶
	| ...		| ...
	+---n pcep-session-peer-overload-clear		+---n pcep-session-peer-overload-clear
	...		...
	5.2. The Full PCEP Data Model		5.2. The Full PCEP Data Model
	The module, "ietf-pcep", defines the basic components of a PCE		The module, "ietf-pcep", defines the basic components of a PCE
	speaker.		speaker.
	module: ietf-pcep		module: ietf-pcep
	+--rw pcep!		+--rw pcep!
	+--rw entity		+--rw entity
	+--rw addr inet:ip-address		+--rw addr inet:ip-address
	+--rw enabled? boolean		+--rw enabled? boolean
	+--rw role pcep-role		+--rw role pcep-role
	+--rw description? string		+--rw description? string
	+--rw speaker-entity-id? string		+--rw speaker-entity-id? string
	| {stateful-sync-opt}?		| {stateful-sync-opt}?
	+--rw admin-status? pcep-admin-status		+--rw admin-status? pcep-admin-status
	+--ro index? uint32		+--ro index? uint32
	+--ro oper-status? pcep-oper-status		+--ro oper-status? pcep-oper-status
	+--rw domain		+--rw domain
	| +--rw domain* [domain-type domain]		| +--rw domain* [domain-type domain]
	| +--rw domain-type domain-type		| +--rw domain-type domain-type
	| +--rw domain domain		| +--rw domain domain
	+--rw capability		+--rw capability
	| +--rw gmpls? boolean {gmpls}?		| +--rw gmpls? boolean {gmpls}?
	| +--rw bi-dir? boolean		| +--rw bi-dir? boolean
	| +--rw diverse? boolean		| +--rw diverse? boolean
	| +--rw load-balance? boolean		| +--rw load-balance? boolean
	| +--rw synchronize? boolean {svec}?		| +--rw synchronize? boolean {svec}?
	| +--rw objective-function? boolean		| +--rw objective-function? boolean
	| | {objective-function}?		| | {objective-function}?
	| +--rw add-path-constraint? boolean		| +--rw add-path-constraint? boolean
	| +--rw prioritization? boolean		| +--rw prioritization? boolean
	| +--rw multi-request? boolean		| +--rw multi-request? boolean
	| +--rw gco? boolean {gco}?		| +--rw gco? boolean {gco}?
	| +--rw p2mp? boolean {p2mp}?		| +--rw p2mp? boolean {p2mp}?
	| +--rw stateful {stateful}?		| +--rw stateful {stateful}?
	| | +--rw enabled? boolean		| | +--rw enabled? boolean
	| | +--rw active? boolean		| | +--rw active? boolean
	| | +--rw pce-initiated? boolean		| | +--rw pce-initiated? boolean {pce-initiated}?
	| | | {pce-initiated}?		| | +--rw include-db-ver? boolean
	| | +--rw include-db-ver? boolean		| | | {stateful-sync-opt}?
	| | | {stateful-sync-opt}?		| | +--rw trigger-resync? boolean
	| | +--rw trigger-resync? boolean		| | | {stateful-sync-opt}?
	| | | {stateful-sync-opt}?		| | +--rw trigger-initial-sync? boolean
	| | +--rw trigger-initial-sync? boolean		| | | {stateful-sync-opt}?
	| | | {stateful-sync-opt}?		| | +--rw incremental-sync? boolean
	| | +--rw incremental-sync? boolean		| | {stateful-sync-opt}?
	| | {stateful-sync-opt}?		| +--rw sr {sr}?
	| +--rw sr {sr}?		| +--rw enabled? boolean
	| +--rw enabled? boolean		+--rw pce-info
	+--rw pce-info		| +--rw scope
	| +--rw scope		| | +--rw intra-area-scope? boolean
	| | +--rw intra-area-scope? boolean		| | +--rw intra-area-pref? uint8
	| | +--rw intra-area-pref? uint8		| | +--rw inter-area-scope? boolean
	| | +--rw inter-area-scope? boolean		| | +--rw inter-area-scope-default? boolean
	| | +--rw inter-area-scope-default? boolean		| | +--rw inter-area-pref? uint8
	| | +--rw inter-area-pref? uint8		| | +--rw inter-as-scope? boolean
	| | +--rw inter-as-scope? boolean		| | +--rw inter-as-scope-default? boolean
	| | +--rw inter-as-scope-default? boolean		| | +--rw inter-as-pref? uint8
	| | +--rw inter-as-pref? uint8		| | +--rw inter-layer-scope? boolean
	| | +--rw inter-layer-scope? boolean		| | +--rw inter-layer-pref? uint8
	| | +--rw inter-layer-pref? uint8		| +--rw neigh-domains
	| +--rw neigh-domains		| | +--rw domain* [domain-type domain]
	| | +--rw domain* [domain-type domain]		| | +--rw domain-type domain-type
	| | +--rw domain-type domain-type		| | +--rw domain domain
	| | +--rw domain domain		| +--rw path-key {path-key}?
	| +--rw path-key {path-key}?		| +--rw enabled? boolean
	| +--rw enabled? boolean		| +--rw discard-timer? uint32
	| +--rw discard-timer? uint32		| +--rw reuse-time? uint32
	| +--rw reuse-time? uint32		| +--rw pce-id? inet:ip-address
	| +--rw pce-id? inet:ip-address		+--rw connect-timer? uint32
	+--rw connect-timer? uint32		+--rw connect-max-retry? uint32
	+--rw connect-max-retry? uint32		+--rw init-backoff-timer? uint32
	+--rw init-backoff-timer? uint32		+--rw max-backoff-timer? uint32
	+--rw max-backoff-timer? uint32		+--rw open-wait-timer? uint32
	+--rw open-wait-timer? uint32		+--rw keep-wait-timer? uint32
	+--rw keep-wait-timer? uint32		+--rw keep-alive-timer? uint32
	+--rw keep-alive-timer? uint32		+--rw dead-timer? uint32
	+--rw dead-timer? uint32		+--rw allow-negotiation? boolean
	+--rw allow-negotiation? boolean		+--rw max-keep-alive-timer? uint32
	+--rw max-keep-alive-timer? uint32		+--rw max-dead-timer? uint32
	+--rw max-dead-timer? uint32		+--rw min-keep-alive-timer? uint32
	+--rw min-keep-alive-timer? uint32		+--rw min-dead-timer? uint32
	+--rw min-dead-timer? uint32		+--rw sync-timer? uint32 {svec}?
	+--rw sync-timer? uint32 {svec}?		+--rw request-timer? uint32
	+--rw request-timer? uint32		+--rw max-sessions? uint32
	+--rw max-sessions? uint32		+--rw max-unknown-reqs? uint32
	+--rw max-unknown-reqs? uint32		+--rw max-unknown-msgs? uint32
	+--rw max-unknown-msgs? uint32		+--rw pcep-notification-max-rate uint32
	+--rw pcep-notification-max-rate uint32		+--rw stateful-parameter {stateful}?
	+--rw stateful-parameter {stateful}?		| +--rw state-timeout? uint32
	| +--rw state-timeout? uint32		| +--rw redelegation-timeout? uint32
	| +--rw redelegation-timeout? uint32		| +--rw rpt-non-pcep-lsp? boolean
	| +--rw rpt-non-pcep-lsp? boolean		+--rw of-list {objective-function}?
	+--rw of-list {objective-function}?		| +--rw objective-function* [of]
	| +--rw objective-function* [of]		| +--rw of objective-function
	| +--rw of objective-function		+--ro lsp-db {stateful}?
	+--ro lsp-db {stateful}?		| +--ro db-ver? uint64 {stateful-sync-opt}?
	| +--ro db-ver? uint64 {stateful-sync-opt}?		| +--ro association-list*
	| +--ro association-list*		| | [type id source global-source extended-id]
	| | [id source global-source extended-id]		| | {association}?
	| | +--ro type? assoc-type		| | +--ro type assoc-type
	| | +--ro id uint16		| | +--ro id uint16
	| | +--ro source inet:ip-address		| | +--ro source inet:ip-address
	| | +--ro global-source uint32		| | +--ro global-source uint32
	| | +--ro extended-id string		| | +--ro extended-id string
	| | +--ro lsp* [plsp-id pcc-id]		| | +--ro lsp* [plsp-id pcc-id]
	| | +--ro plsp-id -> /pcep/entity/lsp-db/lsp/plsp-id		| | +--ro plsp-id -> /pcep/entity/lsp-db/lsp/plsp-id
	| | +--ro pcc-id -> /pcep/entity/lsp-db/lsp/pcc-id		| | +--ro pcc-id -> /pcep/entity/lsp-db/lsp/pcc-id
	| +--ro lsp* [plsp-id pcc-id]		| +--ro lsp* [plsp-id pcc-id]
	| +--ro plsp-id uint32		| +--ro plsp-id uint32
	| +--ro pcc-id inet:ip-address		| +--ro pcc-id inet:ip-address
	| +--ro lsp-ref		| +--ro lsp-ref
	| | +--ro source?		| | +--ro source?
	| | | -> /te:te/lsps-state/lsp/source		| | | -> /te:te/lsps-state/lsp/source
	| | +--ro destination?		| | +--ro destination?
	| | | -> /te:te/lsps-state/lsp/destination		| | | -> /te:te/lsps-state/lsp/destination
	| | +--ro tunnel-id?		| | +--ro tunnel-id?
	| | | -> /te:te/lsps-state/lsp/tunnel-id		| | | -> /te:te/lsps-state/lsp/tunnel-id
	| | +--ro lsp-id?		| | +--ro lsp-id?
	| | | -> /te:te/lsps-state/lsp/lsp-id		| | | -> /te:te/lsps-state/lsp/lsp-id
	| | +--ro extended-tunnel-id? leafref		| | +--ro extended-tunnel-id?
	| +--ro admin-state? boolean		| | -> /te:te/lsps-state/lsp/extended-tunnel-id
	| +--ro operational-state? operational-state		| +--ro admin-state? boolean
	| +--ro delegated		| +--ro operational-state? operational-state
	| | +--ro enabled? boolean		| +--ro delegated
	| | +--ro peer? -> /pcep/entity/peers/peer/addr		| | +--ro enabled? boolean
	| | +--ro srp-id? uint32		| | +--ro peer? -> /pcep/entity/peers/peer/addr
	| +--ro initiation {pce-initiated}?		| | +--ro srp-id? uint32
	| | +--ro enabled? boolean		| +--ro initiation {pce-initiated}?
	| | +--ro peer? -> /pcep/entity/peers/peer/addr		| | +--ro enabled? boolean
	| +--ro symbolic-path-name? string		| | +--ro peer? -> /pcep/entity/peers/peer/addr
	| +--ro last-error? lsp-error		| +--ro symbolic-path-name? string
	| +--ro pst? pst		| +--ro last-error? lsp-error
	| +--ro association-list*		| +--ro pst? pst
	| [id source global-source extended-id]		| +--ro association-list*
	| +--ro id		| [type id source global-source extended-id]
	| | -> /pcep/entity/lsp-db/association-list/id		| {association}?
	| +--ro source leafref		| +--ro type
	| +--ro global-source leafref		| | -> /pcep/entity/lsp-db/association-list/type
	| +--ro extended-id leafref		| +--ro id
	+--ro path-keys {path-key}?		| | -> /pcep/entity/lsp-db/association-list/id
	| +--ro path-keys* [path-key]		| +--ro source leafref
	| +--ro path-key uint16		| +--ro global-source leafref
	| +--ro cps		| +--ro extended-id leafref
	| | +--ro explicit-route-objects* [index]		+--ro path-keys {path-key}?
	| | +--ro explicit-route-usage? identityref		| +--ro path-keys* [path-key]
	| | +--ro index uint32		| +--ro path-key uint16
	| | +--ro (type)?		| +--ro cps
	| | +--:(numbered)		| | +--ro explicit-route-objects* [index]
	| | | +--ro numbered-hop		| | +--ro index uint32
	| | | +--ro address? te-types:te-tp-id		| | +--ro (type)?
	| | | +--ro hop-type? te-hop-type		| | +--:(num-unnum-hop)
	| | | +--ro direction? te-link-direction		| | | +--ro num-unnum-hop
	| | +--:(as-number)		| | | +--ro node-id? te-types:te-node-id
	| | | +--ro as-number-hop		| | | +--ro link-tp-id? te-types:te-tp-id
	| | | +--ro as-number? binary		| | | +--ro hop-type? te-hop-type
	| | | +--ro hop-type? te-hop-type		| | | +--ro direction? te-link-direction
	| | +--:(unnumbered)		| | +--:(as-number)
	| | | +--ro unnumbered-hop		| | | +--ro as-number-hop
	| | | +--ro node-id? te-types:te-node-id		| | | +--ro as-number? binary
	| | | +--ro link-tp-id? te-types:te-tp-id		| | | +--ro hop-type? te-hop-type
	| | | +--ro hop-type? te-hop-type		| | +--:(label)
	| | | +--ro direction? te-link-direction		| | +--ro label-hop
	| | +--:(label)		| | +--ro te-label
	| | +--ro label-hop		| | +--ro (technology)?
	| | +--ro te-label		| | | +--:(generic)
	| | +--ro (technology)?		| | | +--ro generic?
	| | | +--:(generic)		| | | rt-types:generalized-label
	| | | +--ro generic?		| | +--ro direction?
	| | | rt-types:generalized-label		| | te-label-direction
	| | +--ro direction? te-label-direction		| +--ro pcc-original? -> /pcep/entity/peers/peer/addr
	| +--ro pcc-original? -> /pcep/entity/peers/peer/addr		| +--ro req-id? uint32
	| +--ro req-id? uint32		| +--ro retrieved? boolean
	| +--ro retrieved? boolean		| +--ro pcc-retrieved? -> /pcep/entity/peers/peer/addr
	| +--ro pcc-retrieved? -> /pcep/entity/peers/peer/addr		| +--ro creation-time? yang:timestamp
	| +--ro creation-time? yang:timestamp		| +--ro discard-time? uint32
	| +--ro discard-time? uint32		| +--ro reuse-time? uint32
	| +--ro reuse-time? uint32		+--rw peers
	+--rw peers		+--rw peer* [addr]
	+--rw peer* [addr]		+--rw addr inet:ip-address
	+--rw addr inet:ip-address		+--rw role pcep-role
	+--rw role pcep-role		+--rw description? string
	+--rw description? string		+--rw domain
	+--rw domain		| +--rw domain* [domain-type domain]
	| +--rw domain* [domain-type domain]		| +--rw domain-type domain-type
	| +--rw domain-type domain-type		| +--rw domain domain
	| +--rw domain domain		+--rw capability
	+--rw capability		| +--rw gmpls? boolean {gmpls}?
	| +--rw gmpls? boolean {gmpls}?		| +--rw bi-dir? boolean
	| +--rw bi-dir? boolean		| +--rw diverse? boolean
	| +--rw diverse? boolean		| +--rw load-balance? boolean
	| +--rw load-balance? boolean		| +--rw synchronize? boolean {svec}?
	| +--rw synchronize? boolean {svec}?		| +--rw objective-function? boolean
	| +--rw objective-function? boolean		| | {objective-function}?
	| | {objective-function}?		| +--rw add-path-constraint? boolean
	| +--rw add-path-constraint? boolean		| +--rw prioritization? boolean
	| +--rw prioritization? boolean		| +--rw multi-request? boolean
	| +--rw multi-request? boolean		| +--rw gco? boolean {gco}?
	| +--rw gco? boolean {gco}?		| +--rw p2mp? boolean {p2mp}?
	| +--rw p2mp? boolean {p2mp}?		| +--rw stateful {stateful}?
	| +--rw stateful {stateful}?		| | +--rw enabled? boolean
	| | +--rw enabled? boolean		| | +--rw active? boolean
	| | +--rw active? boolean		| | +--rw pce-initiated? boolean
	| | +--rw pce-initiated? boolean		| | | {pce-initiated}?
	| | | {pce-initiated}?		| | +--rw include-db-ver? boolean
	| | +--rw include-db-ver? boolean		| | | {stateful-sync-opt}?
	| | | {stateful-sync-opt}?		| | +--rw trigger-resync? boolean
	| | +--rw trigger-resync? boolean		| | | {stateful-sync-opt}?
	| | | {stateful-sync-opt}?		| | +--rw trigger-initial-sync? boolean
	| | +--rw trigger-initial-sync? boolean		| | | {stateful-sync-opt}?
	| | | {stateful-sync-opt}?		| | +--rw incremental-sync? boolean
	| | +--rw incremental-sync? boolean		| | {stateful-sync-opt}?
	| | {stateful-sync-opt}?		| +--rw sr {sr}?
	| +--rw sr {sr}?		| +--rw enabled? boolean
	| +--rw enabled? boolean		+--rw pce-info
	+--rw pce-info		| +--rw scope
	| +--rw scope		| | +--rw intra-area-scope? boolean
	| | +--rw intra-area-scope? boolean		| | +--rw intra-area-pref? uint8
	| | +--rw intra-area-pref? uint8		| | +--rw inter-area-scope? boolean
	| | +--rw inter-area-scope? boolean		| | +--rw inter-area-scope-default? boolean
	| | +--rw inter-area-scope-default? boolean		| | +--rw inter-area-pref? uint8
	| | +--rw inter-area-pref? uint8		| | +--rw inter-as-scope? boolean
	| | +--rw inter-as-scope? boolean		| | +--rw inter-as-scope-default? boolean
	| | +--rw inter-as-scope-default? boolean		| | +--rw inter-as-pref? uint8
	| | +--rw inter-as-pref? uint8		| | +--rw inter-layer-scope? boolean
	| | +--rw inter-layer-scope? boolean		| | +--rw inter-layer-pref? uint8
	| | +--rw inter-layer-pref? uint8		| +--rw neigh-domains
	| +--rw neigh-domains		| +--rw domain* [domain-type domain]
	| +--rw domain* [domain-type domain]		| +--rw domain-type domain-type
	| +--rw domain-type domain-type		| +--rw domain domain
	| +--rw domain domain		+--rw delegation-pref? uint8 {stateful}?
	+--rw delegation-pref? uint8 {stateful}?		+--rw auth
	+--rw auth		| +--rw (auth-type-selection)?
	| +--rw (auth-type-selection)?		| +--:(auth-key-chain)
	| +--:(auth-key-chain)		| | +--rw key-chain?
	| | +--rw key-chain?		| | key-chain:key-chain-ref
	| | key-chain:key-chain-ref		| +--:(auth-key)
	| +--:(auth-key)		| | +--rw crypto-algorithm identityref
	| | +--rw crypto-algorithm identityref		| | +--rw key-string
	| | +--rw key-string		| | +--rw (key-string-style)?
	| | +--rw (key-string-style)?		| | +--:(keystring)
	| | +--:(keystring)		| | | +--rw keystring? string
	| | | +--rw keystring? string		| | +--:(hexadecimal)
	| | +--:(hexadecimal)		| | {key-chain:hex-key-string}?
	| | {key-chain:hex-key-string}?		| | +--rw hexadecimal-string?
	| | +--rw hexadecimal-string?		| | yang:hex-string
	| | yang:hex-string		| +--:(auth-tls) {tls}?
	| +--:(auth-tls) {tls}?		| +--rw (role)?
	| +--rw (role)?		| +--:(server)
	| +--:(server)		| | +--rw tls-server
	| | +--rw tls-server		| | +--rw server-identity
	| | +--rw server-identity		| | | +--rw (local-or-keystore)
	| | | +--rw algorithm?		| | | +--:(local)
	| | | | identityref		| | | | +--rw algorithm
	| | | +--rw private-key?		| | | | | ct:key-algorithm-ref
	| | | | union		| | | | +--rw public-key
	| | | +--rw public-key?		| | | | | binary
	| | | | binary		| | | | +--rw private-key
	| | | +---x generate-private-key		| | | | | union
	| | | | +---w input		| | | | +--rw cert
	| | | | +---w algorithm		| | | | | ct:end-entity-cert-cms
	| | | | identityref		| | | | +---n certificate-expiration
	| | | +--rw certificates		| | | | +-- expiration-date?
	| | | | +--rw certificate* [name]		| | | | yang:date-and-time
	| | | | +--rw name string		| | | +--:(keystore)
	| | | | +--rw value? binary		| | | {keystore-implemented}?
	| | | +---x generate-certificate-signing-request		| | | +--rw reference
	| | | +---w input		| | | ks:asymmetric-key-certificate-ref
	| | | | +---w subject binary		| | +--rw client-auth
	| | | | +---w attributes? binary		| | | +--rw pinned-ca-certs?
	| | | +--ro output		| | | | ta:pinned-certificates-ref
	| | | +--ro certificate-signing-request		| | | +--rw pinned-client-certs?
	| | | binary		| | | ta:pinned-certificates-ref
	| | +--rw client-auth		| | +--rw hello-params
	| | | +--rw pinned-ca-certs?		| | {tls-server-hello-params-config}?
	| | | | ks:pinned-certificates		| | +--rw tls-versions
	| | | +--rw pinned-client-certs?		| | | +--rw tls-version*
	| | | ks:pinned-certificates		| | | identityref
	| | +--rw hello-params		| | +--rw cipher-suites
	| | {tls-server-hello-params-config}?		| | +--rw cipher-suite*
	| | +--rw tls-versions		| | identityref
	| | | +--rw tls-version* identityref		| +--:(client)
	| | +--rw cipher-suites		| +--rw tls-client
	| | +--rw cipher-suite*		| +--rw client-identity
	| | identityref		| | +--rw (auth-type)?
	| +--:(client)		| | +--:(certificate)
	| +--rw tls-client		| | +--rw certificate
	| +--rw client-identity		| | +--rw (local-or-keystore)
	| | +--rw (auth-type)?		| | +--:(local)
	| | +--:(certificate)		| | | +--rw algorithm
	| | +--rw certificate		| | | | ct:key-algorithm-ref
	| | +--rw algorithm?		| | | +--rw public-key
	| | | identityref		| | | | binary
	| | +--rw private-key?		| | | +--rw private-key
	| | | union		| | | | union
	| | +--rw public-key?		| | | +--rw cert
	| | | binary		| | | | ct:end-entity-cert-cms
	| | +---x generate-private-key		| | | +---n certificate-expiration
	| | | +---w input		| | | +-- expiration-date?
	| | | +---w algorithm		| | | yang:date-and-time
	| | | identityref		| | +--:(keystore)
	| | +--rw certificates		| | {keystore-implemented}?
	| | | +--rw certificate*		| | +--rw reference
	| | | [name]		| | ks:asymmetric-key-certificate-ref
	| | | +--rw name		| +--rw server-auth
	| | | | string		| | +--rw pinned-ca-certs?
	| | | +--rw value?		| | | ta:pinned-certificates-ref
	| | | binary		| | +--rw pinned-server-certs?
	| | +---x generate-certificate-signing-request		| | ta:pinned-certificates-ref
	| | +---w input		| +--rw hello-params
	| | | +---w subject		| {tls-client-hello-params-config}?
	| | | | binary		| +--rw tls-versions
	| | | +---w attributes?		| | +--rw tls-version*
	| | | binary		| | identityref
	| | +--ro output		| +--rw cipher-suites
	| | +--ro certificate-signing-request		| +--rw cipher-suite*
	| | binary		| identityref
	| +--rw server-auth		+--ro discontinuity-time? yang:timestamp
	| | +--rw pinned-ca-certs?		+--ro initiate-session? boolean
	| | | ks:pinned-certificates		+--ro session-exists? boolean
	| | +--rw pinned-server-certs?		+--ro session-up-time? yang:timestamp
	| | ks:pinned-certificates		+--ro session-fail-time? yang:timestamp
	| +--rw hello-params		+--ro session-fail-up-time? yang:timestamp
	| {tls-client-hello-params-config}?		+--ro sessions
	| +--rw tls-versions		+--ro session* [initiator]
	| | +--rw tls-version* identityref		+--ro initiator pcep-initiator
	| +--rw cipher-suites		+--ro role?
	| +--rw cipher-suite*		| -> /pcep/entity/role
	| identityref		+--ro state-last-change? yang:timestamp
	+--ro discontinuity-time? yang:timestamp		+--ro state? pcep-sess-state
	+--ro initiate-session? boolean		+--ro session-creation? yang:timestamp
	+--ro session-exists? boolean		+--ro connect-retry? yang:counter32
	+--ro session-up-time? yang:timestamp		+--ro local-id? uint32
	+--ro session-fail-time? yang:timestamp		+--ro remote-id? uint32
	+--ro session-fail-up-time? yang:timestamp		+--ro keepalive-timer? uint32
	+--ro sessions		+--ro peer-keepalive-timer? uint32
	+--ro session* [initiator]		+--ro dead-timer? uint32
	+--ro initiator pcep-initiator		+--ro peer-dead-timer? uint32
	+--ro role? -> /pcep/entity/role		+--ro ka-hold-time-rem? uint32
	+--ro state-last-change? yang:timestamp		+--ro overloaded? boolean
	+--ro state? pcep-sess-state		+--ro overload-time? uint32
	+--ro session-creation? yang:timestamp		+--ro peer-overloaded? boolean
	+--ro connect-retry? yang:counter32		+--ro peer-overload-time? uint32
	+--ro local-id? uint32		+--ro lspdb-sync? sync-state
	+--ro remote-id? uint32		| {stateful}?
	+--ro keepalive-timer? uint32		+--ro recv-db-ver? uint64
	+--ro peer-keepalive-timer? uint32		| {stateful,stateful-sync-opt}?
	+--ro dead-timer? uint32		+--ro of-list {objective-function}?
	+--ro peer-dead-timer? uint32		| +--ro objective-function* [of]
	+--ro ka-hold-time-rem? uint32		| +--ro of objective-function
	+--ro overloaded? boolean		+--ro pst-list
	+--ro overload-time? uint32		| +--ro path-setup-type* [pst]
	+--ro peer-overloaded? boolean		| +--ro pst pst
	+--ro peer-overload-time? uint32		+--ro assoc-type-list {association}?
	+--ro lspdb-sync? sync-state		| +--ro assoc-type* [at]
	| {stateful}?		| +--ro at assoc-type
	+--ro recv-db-ver? uint64		+--ro speaker-entity-id? string
	| {stateful,stateful-sync-opt}?		| {stateful-sync-opt}?
	+--ro of-list {objective-function}?		+--ro discontinuity-time? yang:timestamp
	| +--ro objective-function* [of]
	| +--ro of objective-function
	+--ro speaker-entity-id? string
	| {stateful-sync-opt}?
	+--ro discontinuity-time? yang:timestamp
	rpcs:		rpcs:
	+---x trigger-resync {stateful,stateful-sync-opt}?		+---x trigger-resync {stateful,stateful-sync-opt}?
	+---w input		+---w input
	+---w pcc? -> /pcep/entity/peers/peer/addr		+---w pcc? -> /pcep/entity/peers/peer/addr
	notifications:		notifications:
	+---n pcep-session-up		+---n pcep-session-up
	| +--ro peer-addr? -> /pcep/entity/peers/peer/addr		| +--ro peer-addr? -> /pcep/entity/peers/peer/addr
	| +--ro session-initiator?		| +--ro session-initiator?
	| | -> /pcep/entity/peers/peer/sessions/session/initiator		| | -> /pcep/entity/peers/peer/sessions/session/initiator
	| +--ro state-last-change? yang:timestamp		| +--ro state-last-change? yang:timestamp
	| +--ro state? pcep-sess-state		| +--ro state? pcep-sess-state
	+---n pcep-session-down		+---n pcep-session-down
	| +--ro peer-addr? -> /pcep/entity/peers/peer/addr		| +--ro peer-addr? -> /pcep/entity/peers/peer/addr
	| +--ro session-initiator? pcep-initiator		| +--ro session-initiator? pcep-initiator
	| +--ro state-last-change? yang:timestamp		| +--ro state-last-change? yang:timestamp
	| +--ro state? pcep-sess-state		| +--ro state? pcep-sess-state
	+---n pcep-session-local-overload		+---n pcep-session-local-overload
	| +--ro peer-addr? -> /pcep/entity/peers/peer/addr		| +--ro peer-addr? -> /pcep/entity/peers/peer/addr
	| +--ro session-initiator?		| +--ro session-initiator?
	| | -> /pcep/entity/peers/peer/sessions/session/initiator		| | -> /pcep/entity/peers/peer/sessions/session/initiator
	| +--ro overloaded? boolean		| +--ro overloaded? boolean
	| +--ro overload-time? uint32		| +--ro overload-time? uint32
	+---n pcep-session-local-overload-clear		+---n pcep-session-local-overload-clear
	| +--ro peer-addr? -> /pcep/entity/peers/peer/addr		| +--ro peer-addr? -> /pcep/entity/peers/peer/addr
	| +--ro overloaded? boolean		| +--ro overloaded? boolean
	+---n pcep-session-peer-overload		+---n pcep-session-peer-overload
	| +--ro peer-addr? -> /pcep/entity/peers/peer/addr		| +--ro peer-addr? -> /pcep/entity/peers/peer/addr
	| +--ro session-initiator?		| +--ro session-initiator?
	| | -> /pcep/entity/peers/peer/sessions/session/initiator		| | -> /pcep/entity/peers/peer/sessions/session/initiator
	| +--ro peer-overloaded? boolean		| +--ro peer-overloaded? boolean
	| +--ro peer-overload-time? uint32		| +--ro peer-overload-time? uint32
	+---n pcep-session-peer-overload-clear		+---n pcep-session-peer-overload-clear
	+--ro peer-addr? -> /pcep/entity/peers/peer/addr		+--ro peer-addr? -> /pcep/entity/peers/peer/addr
	+--ro peer-overloaded? boolean		+--ro peer-overloaded? boolean
			grouping info
			+-- domain
			| +-- domain* [domain-type domain]
			| +-- domain-type? domain-type
			| +-- domain? domain
			+-- capability
			+-- gmpls? boolean {gmpls}?
			+-- bi-dir? boolean
			+-- diverse? boolean
			+-- load-balance? boolean
			+-- synchronize? boolean {svec}?
			+-- objective-function? boolean {objective-function}?
			+-- add-path-constraint? boolean
			+-- prioritization? boolean
			+-- multi-request? boolean
			+-- gco? boolean {gco}?
			+-- p2mp? boolean {p2mp}?
			+-- stateful {stateful}?
			| +-- enabled? boolean
			| +-- active? boolean
			| +-- pce-initiated? boolean {pce-initiated}?
			| +-- include-db-ver? boolean {stateful-sync-opt}?
			| +-- trigger-resync? boolean {stateful-sync-opt}?
			| +-- trigger-initial-sync? boolean {stateful-sync-opt}?
			| +-- incremental-sync? boolean {stateful-sync-opt}?
			+-- sr {sr}?
			+-- enabled? boolean
			grouping lsp-state
			+-- plsp-id? uint32
			+-- pcc-id? inet:ip-address
			+-- lsp-ref
			| +-- source? -> /te:te/lsps-state/lsp/source
			| +-- destination?
			| | -> /te:te/lsps-state/lsp/destination
			| +-- tunnel-id? -> /te:te/lsps-state/lsp/tunnel-id
			| +-- lsp-id? -> /te:te/lsps-state/lsp/lsp-id
			| +-- extended-tunnel-id?
			| -> /te:te/lsps-state/lsp/extended-tunnel-id
			+-- admin-state? boolean
			+-- operational-state? operational-state
			+-- delegated
			| +-- enabled? boolean
			| +-- peer? -> /pcep/entity/peers/peer/addr
			| +-- srp-id? uint32
			+-- initiation {pce-initiated}?
			| +-- enabled? boolean
			| +-- peer? -> /pcep/entity/peers/peer/addr
			+-- symbolic-path-name? string
			+-- last-error? lsp-error
			+-- pst? pst
			grouping pce-scope
			+-- intra-area-scope? boolean
			+-- intra-area-pref? uint8
			+-- inter-area-scope? boolean
			+-- inter-area-scope-default? boolean
			+-- inter-area-pref? uint8
			+-- inter-as-scope? boolean
			+-- inter-as-scope-default? boolean
			+-- inter-as-pref? uint8
			+-- inter-layer-scope? boolean
			+-- inter-layer-pref? uint8
			grouping of-list
			+-- objective-function* [of]
			+-- of? objective-function
			grouping pst-list
			+-- path-setup-type* [pst]
			+-- pst? pst
			grouping session-grouping
			+--ro sessions
			+--ro session* [initiator]
			+--ro initiator? pcep-initiator
			+--ro role? -> /pcep/entity/role
			+--ro state-last-change? yang:timestamp
			+--ro state? pcep-sess-state
			+--ro session-creation? yang:timestamp
			+--ro connect-retry? yang:counter32
			+--ro local-id? uint32
			+--ro remote-id? uint32
			+--ro keepalive-timer? uint32
			+--ro peer-keepalive-timer? uint32
			+--ro dead-timer? uint32
			+--ro peer-dead-timer? uint32
			+--ro ka-hold-time-rem? uint32
			+--ro overloaded? boolean
			+--ro overload-time? uint32
			+--ro peer-overloaded? boolean
			+--ro peer-overload-time? uint32
			+--ro lspdb-sync? sync-state {stateful}?
			+--ro recv-db-ver? uint64
			| {stateful,stateful-sync-opt}?
			+--ro of-list {objective-function}?
			| +--ro objective-function* [of]
			| +--ro of? objective-function
			+--ro pst-list
			| +--ro path-setup-type* [pst]
			| +--ro pst? pst
			+--ro assoc-type-list {association}?
			| +--ro assoc-type* [at]
			| +--ro at? assoc-type
			+--ro speaker-entity-id? string {stateful-sync-opt}?
			+--ro discontinuity-time? yang:timestamp
			grouping pcep-entity-info
			+-- connect-timer? uint32
			+-- connect-max-retry? uint32
			+-- init-backoff-timer? uint32
			+-- max-backoff-timer? uint32
			+-- open-wait-timer? uint32
			+-- keep-wait-timer? uint32
			+-- keep-alive-timer? uint32
			+-- dead-timer? uint32
			+-- allow-negotiation? boolean
			+-- max-keep-alive-timer? uint32
			+-- max-dead-timer? uint32
			+-- min-keep-alive-timer? uint32
			+-- min-dead-timer? uint32
			+-- sync-timer? uint32 {svec}?
			+-- request-timer? uint32
			+-- max-sessions? uint32
			+-- max-unknown-reqs? uint32
			+-- max-unknown-msgs? uint32
			grouping path-key
			+-- enabled? boolean
			+-- discard-timer? uint32
			+-- reuse-time? uint32
			+-- pce-id? inet:ip-address
			grouping capability
			+-- gmpls? boolean {gmpls}?
			+-- bi-dir? boolean
			+-- diverse? boolean
			+-- load-balance? boolean
			+-- synchronize? boolean {svec}?
			+-- objective-function? boolean {objective-function}?
			+-- add-path-constraint? boolean
			+-- prioritization? boolean
			+-- multi-request? boolean
			+-- gco? boolean {gco}?
			+-- p2mp? boolean {p2mp}?
			+-- stateful {stateful}?
			| +-- enabled? boolean
			| +-- active? boolean
			| +-- pce-initiated? boolean {pce-initiated}?
			| +-- include-db-ver? boolean {stateful-sync-opt}?
			| +-- trigger-resync? boolean {stateful-sync-opt}?
			| +-- trigger-initial-sync? boolean {stateful-sync-opt}?
			| +-- incremental-sync? boolean {stateful-sync-opt}?
			+-- sr {sr}?
			+-- enabled? boolean
			grouping path-key-state
			+-- path-keys* [path-key]
			+-- path-key? uint16
			+-- cps
			| +-- explicit-route-objects* [index]
			| +-- index? uint32
			| +-- (type)?
			| +--:(num-unnum-hop)
			| | +-- num-unnum-hop
			| | +-- node-id? te-types:te-node-id
			| | +-- link-tp-id? te-types:te-tp-id
			| | +-- hop-type? te-hop-type
			| | +-- direction? te-link-direction
			| +--:(as-number)
			| | +-- as-number-hop
			| | +-- as-number? binary
			| | +-- hop-type? te-hop-type
			| +--:(label)
			| +-- label-hop
			| +-- te-label
			| +-- (technology)?
			| | +--:(generic)
			| | +-- generic?
			| | rt-types:generalized-label
			| +-- direction? te-label-direction
			+-- pcc-original? -> /pcep/entity/peers/peer/addr
			+-- req-id? uint32
			+-- retrieved? boolean
			+-- pcc-retrieved? -> /pcep/entity/peers/peer/addr
			+-- creation-time? yang:timestamp
			+-- discard-time? uint32
			+-- reuse-time? uint32
			grouping authentication
			+-- auth
			+-- (auth-type-selection)?
			+--:(auth-key-chain)
			| +-- key-chain? key-chain:key-chain-ref
			+--:(auth-key)
			| +-- crypto-algorithm identityref
			| +-- key-string
			| +-- (key-string-style)?
			| +--:(keystring)
			| | +-- keystring? string
			| +--:(hexadecimal) {key-chain:hex-key-string}?
			| +-- hexadecimal-string? yang:hex-string
			+--:(auth-tls) {tls}?
			+-- (role)?
			+--:(server)
			| +-- tls-server
			| +-- server-identity
			| | +-- (local-or-keystore)
			| | +--:(local)
			| | | +-- algorithm
			| | | | ct:key-algorithm-ref
			| | | +-- public-key binary
			| | | +-- private-key union
			| | | +-- cert
			| | | | ct:end-entity-cert-cms
			| | | +---n certificate-expiration
			| | | +-- expiration-date?
			| | | yang:date-and-time
			| | +--:(keystore) {keystore-implemented}?
			| | +-- reference
			| | ks:asymmetric-key-certificate-ref
			| +-- client-auth
			| | +-- pinned-ca-certs?
			| | | ta:pinned-certificates-ref
			| | +-- pinned-client-certs?
			| | ta:pinned-certificates-ref
			| +-- hello-params
			| {tls-server-hello-params-config}?
			| +-- tls-versions
			| | +-- tls-version* identityref
			| +-- cipher-suites
			| +-- cipher-suite* identityref
			+--:(client)
			+-- tls-client
			+-- client-identity
			| +-- (auth-type)?
			| +--:(certificate)
			| +-- certificate
			| +-- (local-or-keystore)
			| +--:(local)
			| | +-- algorithm
			| | | ct:key-algorithm-ref
			| | +-- public-key
			| | | binary
			| | +-- private-key
			| | | union
			| | +-- cert
			| | | ct:end-entity-cert-cms
			| | +---n certificate-expiration
			| | +-- expiration-date?
			| | yang:date-and-time
			| +--:(keystore)
			| {keystore-implemented}?
			| +-- reference
			| ks:asymmetric-key-certificate-ref
			+-- server-auth
			| +-- pinned-ca-certs?
			| | ta:pinned-certificates-ref
			| +-- pinned-server-certs?
			| ta:pinned-certificates-ref
			+-- hello-params
			{tls-client-hello-params-config}?
			+-- tls-versions
			| +-- tls-version* identityref
			+-- cipher-suites
			+-- cipher-suite* identityref
			grouping notification-session-hdr
			+-- session-initiator?
			-> /pcep/entity/peers/peer/sessions/session/initiator
			grouping assoc-type-list
			+-- assoc-type* [at]
			+-- at? assoc-type
			grouping association
			+-- type? assoc-type
			+-- id? uint16
			+-- source? inet:ip-address
			+-- global-source? uint32
			+-- extended-id? string
			grouping domain
			+-- domain-type? domain-type
			+-- domain? domain
			grouping association-ref
			+-- type?
			| -> /pcep/entity/lsp-db/association-list/type
			+-- id? -> /pcep/entity/lsp-db/association-list/id
			+-- source?
			| -> /pcep/entity/lsp-db/association-list/source
			+-- global-source?
			| -> /pcep/entity/lsp-db/association-list/global-source
			+-- extended-id?
			-> /pcep/entity/lsp-db/association-list/extended-id
			grouping notification-instance-hdr
			+-- peer-addr? -> /pcep/entity/peers/peer/addr
			grouping pce-info
			+-- scope
			| +-- intra-area-scope? boolean
			| +-- intra-area-pref? uint8
			| +-- inter-area-scope? boolean
			| +-- inter-area-scope-default? boolean
			| +-- inter-area-pref? uint8
			| +-- inter-as-scope? boolean
			| +-- inter-as-scope-default? boolean
			| +-- inter-as-pref? uint8
			| +-- inter-layer-scope? boolean
			| +-- inter-layer-pref? uint8
			+-- neigh-domains
			+-- domain* [domain-type domain]
			+-- domain-type? domain-type
			+-- domain? domain
			grouping stateful-pce-parameter
			+-- state-timeout? uint32
			+-- redelegation-timeout? uint32
			+-- rpt-non-pcep-lsp? boolean
	5.3. The Entity		5.3. The Entity
	The PCEP yang module may contain status information for the local		The PCEP yang module may contain status information for the local
	PCEP entity.		PCEP entity.
	The entity has an IP address (using ietf-inet-types [RFC6991]) and a		The entity has an IP address (using ietf-inet-types [RFC6991]) and a
	"role" leaf (the local entity PCEP role) as mandatory.		"role" leaf (the local entity PCEP role) as mandatory.
	Note that, the PCEP MIB module [RFC7420] uses an entity list and a		Note that, the PCEP MIB module [RFC7420] uses an entity list and a
	skipping to change at page 20, line 16 ¶		skipping to change at page 26, line 30 ¶
	| +--ro num-pcinitiate-rcvd? yang:counter32		| +--ro num-pcinitiate-rcvd? yang:counter32
	| +--ro num-initiate-sent? yang:counter32		| +--ro num-initiate-sent? yang:counter32
	| +--ro num-initiate-rcvd? yang:counter32		| +--ro num-initiate-rcvd? yang:counter32
	| +--ro num-initiate-rcvd-error-sent? yang:counter32		| +--ro num-initiate-rcvd-error-sent? yang:counter32
	+--ro path-key {p:path-key}?		+--ro path-key {p:path-key}?
	+--ro num-unknown-path-key? yang:counter32		+--ro num-unknown-path-key? yang:counter32
	+--ro num-exp-path-key? yang:counter32		+--ro num-exp-path-key? yang:counter32
	+--ro num-dup-path-key? yang:counter32		+--ro num-dup-path-key? yang:counter32
	+--ro num-path-key-no-attempt? yang:counter32		+--ro num-path-key-no-attempt? yang:counter32
			grouping pcep-stats
			+-- avg-rsp-time? uint32
			+-- lwm-rsp-time? uint32
			+-- hwm-rsp-time? uint32
			+-- num-pcreq-sent? yang:counter32
			+-- num-pcreq-rcvd? yang:counter32
			+-- num-pcrep-sent? yang:counter32
			+-- num-pcrep-rcvd? yang:counter32
			+-- num-pcerr-sent? yang:counter32
			+-- num-pcerr-rcvd? yang:counter32
			+-- num-pcntf-sent? yang:counter32
			+-- num-pcntf-rcvd? yang:counter32
			+-- num-keepalive-sent? yang:counter32
			+-- num-keepalive-rcvd? yang:counter32
			+-- num-unknown-rcvd? yang:counter32
			+-- num-corrupt-rcvd? yang:counter32
			+-- num-req-sent? yang:counter32
			+-- num-req-sent-pend-rep? yang:counter32
			+-- num-req-sent-ero-rcvd? yang:counter32
			+-- num-req-sent-nopath-rcvd? yang:counter32
			+-- num-req-sent-cancel-rcvd? yang:counter32
			+-- num-req-sent-error-rcvd? yang:counter32
			+-- num-req-sent-timeout? yang:counter32
			+-- num-req-sent-cancel-sent? yang:counter32
			+-- num-req-rcvd? yang:counter32
			+-- num-req-rcvd-pend-rep? yang:counter32
			+-- num-req-rcvd-ero-sent? yang:counter32
			+-- num-req-rcvd-nopath-sent? yang:counter32
			+-- num-req-rcvd-cancel-sent? yang:counter32
			+-- num-req-rcvd-error-sent? yang:counter32
			+-- num-req-rcvd-cancel-rcvd? yang:counter32
			+-- num-rep-rcvd-unknown? yang:counter32
			+-- num-req-rcvd-unknown? yang:counter32
			+-- svec {p:svec}?
			| +-- num-svec-sent? yang:counter32
			| +-- num-svec-req-sent? yang:counter32
			| +-- num-svec-rcvd? yang:counter32
			| +-- num-svec-req-rcvd? yang:counter32
			+-- stateful {p:stateful}?
			| +-- num-pcrpt-sent? yang:counter32
			| +-- num-pcrpt-rcvd? yang:counter32
			| +-- num-pcupd-sent? yang:counter32
			| +-- num-pcupd-rcvd? yang:counter32
			| +-- num-rpt-sent? yang:counter32
			| +-- num-rpt-rcvd? yang:counter32
			| +-- num-rpt-rcvd-error-sent? yang:counter32
			| +-- num-upd-sent? yang:counter32
			| +-- num-upd-rcvd? yang:counter32
			| +-- num-upd-rcvd-unknown? yang:counter32
			| +-- num-upd-rcvd-undelegated? yang:counter32
			| +-- num-upd-rcvd-error-sent? yang:counter32
			| +-- initiation {p:pce-initiated}?
			| +-- num-pcinitiate-sent? yang:counter32
			| +-- num-pcinitiate-rcvd? yang:counter32
			| +-- num-initiate-sent? yang:counter32
			| +-- num-initiate-rcvd? yang:counter32
			| +-- num-initiate-rcvd-error-sent? yang:counter32
			+-- path-key {p:path-key}?
			+-- num-unknown-path-key? yang:counter32
			+-- num-exp-path-key? yang:counter32
			+-- num-dup-path-key? yang:counter32
			+-- num-path-key-no-attempt? yang:counter32
	7. Advanced PCE Features		7. Advanced PCE Features
	This document contains a specification of the base PCEP YANG module,		This document contains a specification of the base PCEP YANG module,
	"ietf-pcep" which provides the basic PCEP [RFC5440] data model.		"ietf-pcep" which provides the basic PCEP [RFC5440] data model.
	This document further handles advanced PCE features like -		This document further handles advanced PCE features like -
	o Capability and Scope		o Capability and Scope
	o Domain information (local/neighbour)		o Domain information (local/neighbour)
	o Path-Key		o Path-Key
	o OF		o OF
	o GCO		o GCO
	skipping to change at page 21, line 49 ¶		skipping to change at page 29, line 31 ¶
	PCEP session is started..		PCEP session is started..
	10. PCEP YANG Modules		10. PCEP YANG Modules
	10.1. ietf-pcep module		10.1. ietf-pcep module
	RFC Ed.: In this section, replace all occurrences of 'XXXX' with the		RFC Ed.: In this section, replace all occurrences of 'XXXX' with the
	actual RFC number and all occurrences of the revision date below with		actual RFC number and all occurrences of the revision date below with
	the date of RFC publication (and remove this note).		the date of RFC publication (and remove this note).
	<CODE BEGINS> file "ietf-pcep@2018-03-05.yang"		<CODE BEGINS> file "ietf-pcep@2018-06-22.yang"
	module ietf-pcep {		module ietf-pcep {
	yang-version 1.1;		yang-version 1.1;
	namespace "urn:ietf:params:xml:ns:yang:ietf-pcep";		namespace "urn:ietf:params:xml:ns:yang:ietf-pcep";
	prefix pcep;		prefix pcep;
	import ietf-inet-types {		import ietf-inet-types {
	prefix "inet";		prefix "inet";
			reference "RFC 6991";
	}		}
	import ietf-yang-types {		import ietf-yang-types {
	prefix "yang";		prefix "yang";
			reference "RFC 6991";
	}		}
	import ietf-te {		import ietf-te {
	prefix "te";		prefix "te";
			reference "RFC XXXX";
	}		}
	import ietf-te-types {		import ietf-te-types {
	prefix "te-types";		prefix "te-types";
			reference "RFC XXXX";
	}		}
	import ietf-key-chain {		import ietf-key-chain {
	prefix "key-chain";		prefix "key-chain";
			reference "RFC 8177";
	}		}
	import ietf-netconf-acm {		import ietf-netconf-acm {
	prefix "nacm";		prefix "nacm";
			reference "RFC 8341";
	}		}
	import ietf-tls-server {		import ietf-tls-server {
	prefix "tls-server";		prefix "tls-server";
			reference "RFC XXXX";
	}		}
	import ietf-tls-client {		import ietf-tls-client {
	prefix "tls-client";		prefix "tls-client";
			reference "RFC XXXX";
	}		}
	organization		organization
	"IETF PCE (Path Computation Element) Working Group";		"IETF PCE (Path Computation Element) Working Group";
	contact		contact
	"WG Web: <http://tools.ietf.org/wg/pce/>		"WG Web: <http://tools.ietf.org/wg/pce/>
	WG List: <mailto:pce@ietf.org>		WG List: <mailto:pce@ietf.org>
	Editor: Dhruv Dhody		Editor: Dhruv Dhody
	<mailto:dhruv.ietf@gmail.com>";		<mailto:dhruv.ietf@gmail.com>";
	description		description
	"The YANG module defines a generic configuration and		"The YANG module defines a generic configuration and
	operational model for PCEP common across all of the		operational model for PCEP common across all of the
	vendor implementations.";		vendor implementations.
	revision 2018-03-05 {		Copyright (c) 2018 IETF Trust and the persons identified as
			authors of the code. All rights reserved.
			Redistribution and use in source and binary forms, with or
			without modification, is permitted pursuant to, and subject
			to the license terms contained in, the Simplified BSD License
			set forth in Section 4.c of the IETF Trust's Legal Provisions
			Relating to IETF Documents
			(http://trustee.ietf.org/license-info).
			This version of this YANG module is part of RFC XXXX; see the
			RFC itself for full legal notices.";
			revision 2018-06-22 {
	description "Initial revision.";		description "Initial revision.";
	reference		reference
	"RFC XXXX: A YANG Data Model for Path Computation		"RFC XXXX: A YANG Data Model for Path Computation
	Element Communications Protocol		Element Communications Protocol
	(PCEP)";		(PCEP)";
	}		}
	/*		/*
	* Identities		* Identities
	*/		*/
	identity pcep {		identity pcep {
	description "Identity for the PCEP protocol.";		description "Identity for the PCEP protocol.";
			reference "RFC 5440";
	}		}
	/*		/*
	* Typedefs		* Typedefs
	*/		*/
	typedef pcep-role {		typedef pcep-role {
	type enumeration {		type enumeration {
	enum unknown {		enum unknown {
	value "0";		value "0";
	description		description
	skipping to change at page 30, line 51 ¶		skipping to change at page 39, line 7 ¶
	enum protection{		enum protection{
	value "1";		value "1";
	description		description
	"Path Protection Association Type";		"Path Protection Association Type";
	}		}
	enum policy{		enum policy{
	value "2";		value "2";
	description		description
	"Policy Association Type";		"Policy Association Type";
	}		}
	enum diversity{		enum double-bidir{
	value "3";		value "3";
	description		description
			"Double-Sided Bidirectional
			Association Type";
			}
			enum single-bidir{
			value "4";
			description
			"Single-Sided Bidirectional
			Association Type";
			}
			enum diversity{
			value "5";
			description
	"Diversity Association Type";		"Diversity Association Type";
	}		}
	}		}
	description		description
	"The PCEP Association Type";		"The PCEP Association Type";
	}		}
	typedef objective-function{		typedef objective-function{
	type enumeration{		type enumeration{
	enum mcp{		enum mcp{
	skipping to change at page 32, line 30 ¶		skipping to change at page 40, line 45 ¶
	}		}
	enum mrup{		enum mrup{
	value "11";		value "11";
	description		description
	"Maximum Reserved Under-Utilized Path		"Maximum Reserved Under-Utilized Path
	(MRUP)";		(MRUP)";
	}		}
	}		}
	description		description
	"The PCEP Objective functions";		"The PCEP Objective functions";
			reference
			"RFC 5541";
	}		}
	/*		/*
	* Features		* Features
	*/		*/
	feature svec {		feature svec {
	description		description
	"Support synchronized path computation.";		"Support synchronized path computation.";
			reference
			"RFC 5440";
	}		}
	feature gmpls {		feature gmpls {
	description		description
	"Support GMPLS.";		"Support GMPLS.";
	}		}
	feature objective-function {		feature objective-function {
	description		description
	"Support OF as per RFC 5541.";		"Support OF as per RFC 5541.";
			reference
			"RFC 5541";
	}		}
	feature gco {		feature gco {
	description		description
	"Support GCO as per RFC 5557.";		"Support GCO as per RFC 5557.";
			reference
			"RFC 5557";
	}		}
	feature path-key {		feature path-key {
	description		description
	"Support path-key as per RFC 5520.";		"Support path-key as per RFC 5520.";
			reference
			"RFC 5520";
	}		}
	feature p2mp {		feature p2mp {
	description		description
	"Support P2MP as per RFC 6006.";		"Support P2MP as per RFC 8306.";
			reference
			"RFC 8306";
	}		}
	feature stateful {		feature stateful {
	description		description
	"Support stateful PCE.";		"Support stateful PCE as per RFC 8231.";
			reference
			"RFC 8231";
	}		}
	feature stateful-sync-opt {		feature stateful-sync-opt {
	description		description
	"Support stateful sync optimization";		"Support stateful sync optimization
			as per RFC 8232";
			reference
			"RFC 8232";
	}		}
	feature pce-initiated {		feature pce-initiated {
	description		description
	"Support PCE-Initiated LSP.";		"Support PCE-Initiated LSP as per
			RFC 8281.";
			reference
			"RFC 8281";
	}		}
	feature tls {		feature tls {
	description		description
	"Support PCEP over TLS.";		"Support PCEP over TLS as per
			RFC 8253.";
			reference
			"RFC 8253";
	}		}
	feature sr {		feature sr {
	description		description
	"Support Segment Routing for PCE.";		"Support Segment Routing for PCE.";
	}		}
			feature association {
			description
			"Support Association in PCEP.";
			}
	/*		/*
	* Groupings		* Groupings
	*/		*/
	grouping pcep-entity-info{		grouping pcep-entity-info{
	description		description
	"This grouping defines the attributes for PCEP entity.";		"This grouping defines the attributes for PCEP entity.";
	leaf connect-timer {		leaf connect-timer {
	type uint32 {		type uint32 {
	range "1..65535";		range "1..65535";
	}		}
	skipping to change at page 54, line 6 ¶		skipping to change at page 62, line 48 ¶
	the context of the PCE";		the context of the PCE";
	}		}
	container cps {		container cps {
	description		description
	"The Confidential Path Segment (CPS)";		"The Confidential Path Segment (CPS)";
	list explicit-route-objects {		list explicit-route-objects {
	key "index";		key "index";
	description		description
	"List of explicit route objects";		"List of explicit route objects";
	leaf explicit-route-usage {
	type identityref {
	base te-types:route-usage-type;
	}
	description
	"An explicit-route hop action.";
	}
	uses te-types:explicit-route-hop;		uses te-types:explicit-route-hop;
	}		}
	}		}
	leaf pcc-original {		leaf pcc-original {
	type leafref {		type leafref {
	path "/pcep/entity/peers/peer/addr";		path "/pcep/entity/peers/peer/addr";
	}		}
	description		description
	"Reference to PCC peer address of		"Reference to PCC peer address of
	the original request";		the original request";
	skipping to change at page 55, line 40 ¶		skipping to change at page 64, line 26 ¶
	description		description
	"The list of authorized OF";		"The list of authorized OF";
	leaf of {		leaf of {
	type objective-function;		type objective-function;
	description		description
	"The OF authorized";		"The OF authorized";
	}		}
	}		}
	}		}
			grouping pst-list {
			description "List of PST";
			list path-setup-type{
			key "pst";
			description
			"The list of authorized PST";
			leaf pst {
			type pst;
			description
			"The PST authorized";
			}
			}
			}
			grouping assoc-type-list {
			description "List of Association Type";
			list assoc-type{
			key "at";
			description
			"The list of authorized association
			types";
			leaf at {
			type assoc-type;
			description
			"The association type authorized";
			}
			}
			}
	grouping association {		grouping association {
	description		description
	"Generic Association parameters";		"Generic Association parameters";
	leaf type {		leaf type {
	type "assoc-type";		type "assoc-type";
	description		description
	"The PCEP association type";		"The PCEP association type";
	}		}
	leaf id {		leaf id {
	type uint16;		type uint16;
	skipping to change at page 56, line 27 ¶		skipping to change at page 65, line 47 ¶
	leaf extended-id{		leaf extended-id{
	type string;		type string;
	description		description
	"Additional information to		"Additional information to
	support unique identification.";		support unique identification.";
	}		}
	}		}
	grouping association-ref {		grouping association-ref {
	description		description
	"Generic Association parameters";		"Generic Association parameters";
			leaf type {
			type leafref {
			path "/pcep/entity/lsp-db/"
			+ "association-list/type";
			}
			description
			"PCEP Association Type";
			}
	leaf id {		leaf id {
	type leafref {		type leafref {
	path "/pcep/entity/lsp-db/"		path "/pcep/entity/lsp-db/"
	+ "association-list/id";		+ "association-list/id";
	}		}
	description		description
	"PCEP Association ID";		"PCEP Association ID";
	}		}
	leaf source {		leaf source {
	type leafref {		type leafref {
	skipping to change at page 64, line 40 ¶		skipping to change at page 74, line 20 ¶
	}		}
	if-feature objective-function;		if-feature objective-function;
	uses of-list;		uses of-list;
	description		description
	"Indicate the list of supported		"Indicate the list of supported
	OF on this session";		OF on this session";
	}		}
			container pst-list{
			when "../role = 'pce'" +
			"or " +
			"../role = 'pcc-and-pce'"
			{
			description
			"Valid for PCEP Peer as
			PCE";
			}
			uses pst-list;
			description
			"Indicate the list of supported
			PST on this session";
			}
			container assoc-type-list{
			if-feature association;
			uses assoc-type-list;
			description
			"Indicate the list of supported
			association types on this session";
			}
	leaf speaker-entity-id{		leaf speaker-entity-id{
	if-feature stateful-sync-opt;		if-feature stateful-sync-opt;
	type string;		type string;
	description		description
	"The Speaker Entity Identifier";		"The Speaker Entity Identifier";
	}		}
	leaf discontinuity-time {		leaf discontinuity-time {
	type yang:timestamp;		type yang:timestamp;
	description		description
	skipping to change at page 68, line 44 ¶		skipping to change at page 79, line 4 ¶
	}		}
	uses stateful-pce-parameter;		uses stateful-pce-parameter;
	description		description
	"The configured stateful parameters";		"The configured stateful parameters";
	}		}
	container of-list{		container of-list{
	when "../role = 'pce'" +		when "../role = 'pce'" +
	"or " +		"or " +
	"../role = 'pcc-and-pce'"		"../role = 'pcc-and-pce'"
	{		{
	description		description
	"Valid at PCE";		"Valid at PCE";
	}		}
	if-feature objective-function;		if-feature objective-function;
	uses of-list;		uses of-list;
	description
	"The authorized OF-List at PCE for all peers";		description
			"The authorized OF-List at PCE for all peers";
	}		}
	container lsp-db{		container lsp-db{
	if-feature stateful;		if-feature stateful;
	config false;		config false;
	description		description
	"The LSP-DB";		"The LSP-DB";
	leaf db-ver{		leaf db-ver{
	when "../../role = 'pcc'" +		when "../../role = 'pcc'" +
	"or " +		"or " +
	skipping to change at page 69, line 27 ¶		skipping to change at page 79, line 36 ¶
	{		{
	description		description
	"Valid at PCC";		"Valid at PCC";
	}		}
	if-feature stateful-sync-opt;		if-feature stateful-sync-opt;
	type uint64;		type uint64;
	description		description
	"The LSP State Database Version Number";		"The LSP State Database Version Number";
	}		}
	list association-list {		list association-list {
	key "id source global-source extended-id";		if-feature association;
			key "type id source global-source extended-id";
	description		description
	"List of all PCEP associations";		"List of all PCEP associations";
	uses association {		uses association {
	description		description
	"The Association attributes";		"The Association attributes";
	}		}
	list lsp {		list lsp {
	key "plsp-id pcc-id";		key "plsp-id pcc-id";
	description		description
	"List of all LSP in this association";		"List of all LSP in this association";
	skipping to change at page 70, line 18 ¶		skipping to change at page 80, line 27 ¶
	list lsp {		list lsp {
	key "plsp-id pcc-id";		key "plsp-id pcc-id";
	description		description
	"List of all LSPs in LSP-DB";		"List of all LSPs in LSP-DB";
	uses lsp-state {		uses lsp-state {
	description		description
	"The PCEP specific attributes for		"The PCEP specific attributes for
	LSP-DB.";		LSP-DB.";
	}		}
	list association-list {		list association-list {
	key "id source global-source extended-id";		if-feature association;
			key "type id source global-source extended-id";
	description		description
	"List of all PCEP associations";		"List of all PCEP associations";
	uses association-ref {		uses association-ref {
	description		description
	"Reference to the Association		"Reference to the Association
	attributes";		attributes";
	}		}
	}		}
	}		}
	skipping to change at page 77, line 4 ¶		skipping to change at page 87, line 12 ¶
	rpc trigger-resync {		rpc trigger-resync {
	if-feature stateful;		if-feature stateful;
	if-feature stateful-sync-opt;		if-feature stateful-sync-opt;
	description		description
	"Trigger the resyncrinization at the PCE";		"Trigger the resyncrinization at the PCE";
	input {		input {
	leaf pcc {		leaf pcc {
	type leafref {		type leafref {
	path "/pcep/entity/peers/peer/addr";		path "/pcep/entity/peers/peer/addr";
	}		}
	description		description
	"The IP address to identify the PCC. The state		"The IP address to identify the PCC. The state
	syncronization is re-triggered for all LSPs from		syncronization is re-triggered for all LSPs from
	the PCC. The rpc on the PCC will be ignored.";		the PCC. The rpc on the PCC will be ignored.";
	}		}
	}		}
	}//rpc		}//rpc
	}//module		}//module
	<CODE ENDS>		<CODE ENDS>
	10.2. ietf-pcep-stats module		10.2. ietf-pcep-stats module
	<CODE BEGINS> file "ietf-pcep-stats@2018-03-05.yang"		<CODE BEGINS> file "ietf-pcep-stats@2018-06-22.yang"
	module ietf-pcep-stats {		module ietf-pcep-stats {
	yang-version 1.1;		yang-version 1.1;
	namespace "urn:ietf:params:xml:ns:yang:ietf-pcep-stats";		namespace "urn:ietf:params:xml:ns:yang:ietf-pcep-stats";
	prefix ps;		prefix ps;
	import ietf-pcep {		import ietf-pcep {
	prefix p;		prefix p;
	}		}
	import ietf-yang-types {		import ietf-yang-types {
	prefix "yang";		prefix "yang";
			reference "RFC 6991";
	}		}
	organization		organization
	"IETF PCE (Path Computation Element) Working Group";		"IETF PCE (Path Computation Element) Working Group";
	contact		contact
	"WG Web: <http://tools.ietf.org/wg/pce/>		"WG Web: <http://tools.ietf.org/wg/pce/>
	WG List: <mailto:pce@ietf.org>		WG List: <mailto:pce@ietf.org>
	Editor: Dhruv Dhody		Editor: Dhruv Dhody
	<mailto:dhruv.ietf@gmail.com>";		<mailto:dhruv.ietf@gmail.com>";
	description		description
	"The YANG module augments the PCEP yang operational		"The YANG module augments the PCEP yang operational
	model with statistics, counters and telemetry data";		model with statistics, counters and telemetry data.
	revision 2018-03-05 {		Copyright (c) 2018 IETF Trust and the persons identified as
			authors of the code. All rights reserved.
			Redistribution and use in source and binary forms, with or
			without modification, is permitted pursuant to, and subject
			to the license terms contained in, the Simplified BSD License
			set forth in Section 4.c of the IETF Trust's Legal Provisions
			Relating to IETF Documents
			(http://trustee.ietf.org/license-info).
			This version of this YANG module is part of RFC XXXX; see the
			RFC itself for full legal notices.";
			revision 2018-06-22 {
	description "Initial revision.";		description "Initial revision.";
	reference		reference
	"RFC XXXX: A YANG Data Model for Path Computation		"RFC XXXX: A YANG Data Model for Path Computation
	Element Communications Protocol		Element Communications Protocol
	(PCEP)";		(PCEP)";
	}		}
	/*		/*
	* Groupings		* Groupings
	*/		*/
	skipping to change at page 97, line 4 ¶		skipping to change at page 107, line 26 ¶
	at session level.";		at session level.";
	uses pcep-stats{		uses pcep-stats{
	description		description
	"The statistics contained are		"The statistics contained are
	for the current sessions to		for the current sessions to
	that peer. These are lost		that peer. These are lost
	when the session goes down.		when the session goes down.
	";		";
	}		}
	}//pcep-stats		}//pcep-stats
	}//augment		}//augment
	}//module		}//module
	<CODE ENDS>		<CODE ENDS>
	11. Security Considerations		11. Security Considerations
	The YANG module defined in this document is designed to be accessed		The YANG module defined in this document is designed to be accessed
	via network management protocol such as NETCONF [RFC6241] or RESTCONF		via network management protocol such as NETCONF [RFC6241] or RESTCONF
	[RFC8040]. The lowest NETCONF layer is the secure transport layer		[RFC8040]. The lowest NETCONF layer is the secure transport layer
	and the mandatory-to-implement secure transport is SSH [RFC6242].		and the mandatory-to-implement secure transport is SSH [RFC6242].
	The lowest RESTCONF layer is HTTPS, and the mandatory-to-implement		The lowest RESTCONF layer is HTTPS, and the mandatory-to-implement
	secure transport is TLS [RFC5246]		secure transport is TLS [RFC5246]
	The NETCONF access control model [RFC6536] provides the means to		The NETCONF access control model [RFC8341] provides the means to
	restrict access for particular NETCONF or RESTCONF users to a pre-		restrict access for particular NETCONF or RESTCONF users to a pre-
	configured subset of all available NETCONF or RESTCONF protocol		configured subset of all available NETCONF or RESTCONF protocol
	operations and content.		operations and content.
	There are a number of data nodes defined in the YANG module which are		There are a number of data nodes defined in the YANG module which are
	writable/creatable/deletable (i.e., config true, which is the		writable/creatable/deletable (i.e., config true, which is the
	default). These data nodes may be considered sensitive or vulnerable		default). These data nodes may be considered sensitive or vulnerable
	in some network environments. Write operations (e.g., <edit-config>)		in some network environments. Write operations (e.g., <edit-config>)
	to these data nodes without proper protection can have a negative		to these data nodes without proper protection can have a negative
	effect on network operations. These are the subtrees and data nodes		effect on network operations. These are the subtrees and data nodes
	skipping to change at page 99, line 33 ¶		skipping to change at page 110, line 5 ¶
	[RFC6241] Enns, R., Ed., Bjorklund, M., Ed., Schoenwaelder, J., Ed.,		[RFC6241] Enns, R., Ed., Bjorklund, M., Ed., Schoenwaelder, J., Ed.,
	and A. Bierman, Ed., "Network Configuration Protocol		and A. Bierman, Ed., "Network Configuration Protocol
	(NETCONF)", RFC 6241, DOI 10.17487/RFC6241, June 2011,		(NETCONF)", RFC 6241, DOI 10.17487/RFC6241, June 2011,
	<https://www.rfc-editor.org/info/rfc6241>.		<https://www.rfc-editor.org/info/rfc6241>.
	[RFC6242] Wasserman, M., "Using the NETCONF Protocol over Secure		[RFC6242] Wasserman, M., "Using the NETCONF Protocol over Secure
	Shell (SSH)", RFC 6242, DOI 10.17487/RFC6242, June 2011,		Shell (SSH)", RFC 6242, DOI 10.17487/RFC6242, June 2011,
	<https://www.rfc-editor.org/info/rfc6242>.		<https://www.rfc-editor.org/info/rfc6242>.
	[RFC6536] Bierman, A. and M. Bjorklund, "Network Configuration
	Protocol (NETCONF) Access Control Model", RFC 6536,
	DOI 10.17487/RFC6536, March 2012,
	<https://www.rfc-editor.org/info/rfc6536>.
	[RFC6991] Schoenwaelder, J., Ed., "Common YANG Data Types",		[RFC6991] Schoenwaelder, J., Ed., "Common YANG Data Types",
	RFC 6991, DOI 10.17487/RFC6991, July 2013,		RFC 6991, DOI 10.17487/RFC6991, July 2013,
	<https://www.rfc-editor.org/info/rfc6991>.		<https://www.rfc-editor.org/info/rfc6991>.
	[RFC8177] Lindem, A., Ed., Qu, Y., Yeung, D., Chen, I., and J.		[RFC8177] Lindem, A., Ed., Qu, Y., Yeung, D., Chen, I., and J.
	Zhang, "YANG Data Model for Key Chains", RFC 8177,		Zhang, "YANG Data Model for Key Chains", RFC 8177,
	DOI 10.17487/RFC8177, June 2017,		DOI 10.17487/RFC8177, June 2017,
	<https://www.rfc-editor.org/info/rfc8177>.		<https://www.rfc-editor.org/info/rfc8177>.
	[RFC8040] Bierman, A., Bjorklund, M., and K. Watsen, "RESTCONF		[RFC8040] Bierman, A., Bjorklund, M., and K. Watsen, "RESTCONF
	skipping to change at page 100, line 21 ¶		skipping to change at page 110, line 34 ¶
	Extensions for Stateful PCE", RFC 8231,		Extensions for Stateful PCE", RFC 8231,
	DOI 10.17487/RFC8231, September 2017,		DOI 10.17487/RFC8231, September 2017,
	<https://www.rfc-editor.org/info/rfc8231>.		<https://www.rfc-editor.org/info/rfc8231>.
	[RFC8281] Crabbe, E., Minei, I., Sivabalan, S., and R. Varga, "Path		[RFC8281] Crabbe, E., Minei, I., Sivabalan, S., and R. Varga, "Path
	Computation Element Communication Protocol (PCEP)		Computation Element Communication Protocol (PCEP)
	Extensions for PCE-Initiated LSP Setup in a Stateful PCE		Extensions for PCE-Initiated LSP Setup in a Stateful PCE
	Model", RFC 8281, DOI 10.17487/RFC8281, December 2017,		Model", RFC 8281, DOI 10.17487/RFC8281, December 2017,
	<https://www.rfc-editor.org/info/rfc8281>.		<https://www.rfc-editor.org/info/rfc8281>.
			[RFC8340] Bjorklund, M. and L. Berger, Ed., "YANG Tree Diagrams",
			BCP 215, RFC 8340, DOI 10.17487/RFC8340, March 2018,
			<https://www.rfc-editor.org/info/rfc8340>.
			[RFC8341] Bierman, A. and M. Bjorklund, "Network Configuration
			Access Control Model", STD 91, RFC 8341,
			DOI 10.17487/RFC8341, March 2018,
			<https://www.rfc-editor.org/info/rfc8341>.
	[I-D.ietf-pce-lsp-setup-type]		[I-D.ietf-pce-lsp-setup-type]
	Sivabalan, S., Tantsura, J., Minei, I., Varga, R., and J.		Sivabalan, S., Tantsura, J., Minei, I., Varga, R., and J.
	Hardwick, "Conveying path setup type in PCEP messages",		Hardwick, "Conveying path setup type in PCEP messages",
	draft-ietf-pce-lsp-setup-type-08 (work in progress),		draft-ietf-pce-lsp-setup-type-10 (work in progress), May
	January 2018.		2018.
	[I-D.ietf-pce-segment-routing]		[I-D.ietf-pce-segment-routing]
	Sivabalan, S., Filsfils, C., Tantsura, J., Henderickx, W.,		Sivabalan, S., Filsfils, C., Tantsura, J., Henderickx, W.,
	and J. Hardwick, "PCEP Extensions for Segment Routing",		and J. Hardwick, "PCEP Extensions for Segment Routing",
	draft-ietf-pce-segment-routing-11 (work in progress),		draft-ietf-pce-segment-routing-11 (work in progress),
	November 2017.		November 2017.
	[I-D.ietf-teas-yang-te]		[I-D.ietf-teas-yang-te]
	Saad, T., Gandhi, R., Liu, X., Beeram, V., Shah, H., and		Saad, T., Gandhi, R., Liu, X., Beeram, V., Shah, H., and
	I. Bryskin, "A YANG Data Model for Traffic Engineering		I. Bryskin, "A YANG Data Model for Traffic Engineering
	Tunnels and Interfaces", draft-ietf-teas-yang-te-13 (work		Tunnels and Interfaces", draft-ietf-teas-yang-te-15 (work
	in progress), March 2018.		in progress), June 2018.
	[I-D.ietf-netconf-tls-client-server]		[I-D.ietf-netconf-tls-client-server]
	Watsen, K. and G. Wu, "YANG Groupings for TLS Clients and		Watsen, K. and G. Wu, "YANG Groupings for TLS Clients and
	TLS Servers", draft-ietf-netconf-tls-client-server-05		TLS Servers", draft-ietf-netconf-tls-client-server-06
	(work in progress), October 2017.		(work in progress), June 2018.
	14.2. Informative References		14.2. Informative References
	[RFC4655] Farrel, A., Vasseur, J., and J. Ash, "A Path Computation		[RFC4655] Farrel, A., Vasseur, J., and J. Ash, "A Path Computation
	Element (PCE)-Based Architecture", RFC 4655,		Element (PCE)-Based Architecture", RFC 4655,
	DOI 10.17487/RFC4655, August 2006,		DOI 10.17487/RFC4655, August 2006,
	<https://www.rfc-editor.org/info/rfc4655>.		<https://www.rfc-editor.org/info/rfc4655>.
	[RFC7420] Koushik, A., Stephan, E., Zhao, Q., King, D., and J.		[RFC7420] Koushik, A., Stephan, E., Zhao, Q., King, D., and J.
	Hardwick, "Path Computation Element Communication Protocol		Hardwick, "Path Computation Element Communication Protocol
	(PCEP) Management Information Base (MIB) Module",		(PCEP) Management Information Base (MIB) Module",
	RFC 7420, DOI 10.17487/RFC7420, December 2014,		RFC 7420, DOI 10.17487/RFC7420, December 2014,
	<https://www.rfc-editor.org/info/rfc7420>.		<https://www.rfc-editor.org/info/rfc7420>.
	[RFC8253] Lopez, D., Gonzalez de Dios, O., Wu, Q., and D. Dhody,		[RFC8253] Lopez, D., Gonzalez de Dios, O., Wu, Q., and D. Dhody,
	"PCEPS: Usage of TLS to Provide a Secure Transport for the		"PCEPS: Usage of TLS to Provide a Secure Transport for the
	Path Computation Element Communication Protocol (PCEP)",		Path Computation Element Communication Protocol (PCEP)",
	RFC 8253, DOI 10.17487/RFC8253, October 2017,		RFC 8253, DOI 10.17487/RFC8253, October 2017,
	<https://www.rfc-editor.org/info/rfc8253>.		<https://www.rfc-editor.org/info/rfc8253>.
	[I-D.ietf-netmod-yang-tree-diagrams]		[RFC8342] Bjorklund, M., Schoenwaelder, J., Shafer, P., Watsen, K.,
	Bjorklund, M. and L. Berger, "YANG Tree Diagrams", draft-		and R. Wilton, "Network Management Datastore Architecture
	ietf-netmod-yang-tree-diagrams-06 (work in progress),		(NMDA)", RFC 8342, DOI 10.17487/RFC8342, March 2018,
	February 2018.		<https://www.rfc-editor.org/info/rfc8342>.
	[I-D.ietf-netmod-revised-datastores]
	Bjorklund, M., Schoenwaelder, J., Shafer, P., Watsen, K.,
	and R. Wilton, "Network Management Datastore
	Architecture", draft-ietf-netmod-revised-datastores-10
	(work in progress), January 2018.
	Appendix A. Example		Appendix A. Example
	The example below provide an overview of PCEP peer session		The example below provide an overview of PCEP peer session
	informations and LSP-DB in the Yang Module.		informations and LSP-DB in the Yang Module.
	+-------+ +-------+		+-------+ +-------+
	| | | |		| | | |
	| PCC1 |<---------------->| |		| PCC1 |<---------------->| |
	| | | |		| | | |
	+-------+ | |		+-------+ | |
	IP:192.0.2.1 | |		IP:192.0.2.1 | |
	| PCE |		| PCE |
	| |		| |
	+-------+ | |		+-------+ | |
	| | | |		| | | |
	| PCC2 |<---------------->| |		| PCC2 |<---------------->| |
	| | | |		| | | |
	+-------+ +-------+		+-------+ | |
	IP:192.0.2.2 IP:192.0.2.3		IP:192.0.2.2 | |
			| |
			| |
			+-------+ | |
			| | | |
			| PCC4 |<---------------->| |
			| | | |
			+-------+ | |
			IP:2001:DB8::4 | |
			+-------+
			IP:192.0.2.3
			2001:DB8::3
	at PCE:		at PCE:
	{		{
	"entity": [		"entity": [
	{		{
	"addr": "192.0.2.3",		"addr": "192.0.2.3",
	"oper-status": "oper-status-up",		"oper-status": "oper-status-up",
	"role":"pce",		"role":"pce",
	"capability" : {		"capability" : {
	"stateful": {		"stateful": {
	"enabled": true		"enabled": true
	}		}
	}		}
	"lsp-db" : [		"lsp-db" : [
	"lsp" : {		"lsp" : {
	"plsp-id": 3,		"plsp-id": 3,
	"pcc-id" :"192.0.2.1",		"pcc-id" :"192.0.2.1",
	"lsp-ref" : {		"lsp-ref" : {
	"source": "192.0.2.1",		"source": "192.0.2.1",
	"destination": "192.0.2.4"		"destination": "192.0.2.4"
	"tunnel-id": 16,		"tunnel-id": 16,
	"lsp-id": 3,		"lsp-id": 3,
	"extended-tunnel-id": 0		"extended-tunnel-id": 0
	},		},
	"oper-status": "oper-status-up",		"oper-status": "oper-status-up",
	"delegated": true,		"delegated": true,
	"symbolic-path-name": "iewauh",		"symbolic-path-name": "iewauh",
	},		},
	"lsp" : {		"lsp" : {
	"plsp-id": 4,		"plsp-id": 4,
	"pcc-id" :"192.0.2.2",		"pcc-id" :"192.0.2.2",
	"lsp-ref" : {		"lsp-ref" : {
	"source": "192.0.2.2",		"source": "192.0.2.2",
	"destination": "192.0.2.5"		"destination": "192.0.2.5"
	"tunnel-id": 17,		"tunnel-id": 17,
	"lsp-id": 4		"lsp-id": 4
	"extended-tunnel-id": 0		"extended-tunnel-id": 0
	},		},
	"oper-status": "oper-status-up",		"oper-status": "oper-status-up",
	"delegated": true,		"delegated": true,
	"symbolic-path-name": "iewauhiewauh",		"symbolic-path-name": "iewauhiewauh",
	"extended-tunnel-id": 0		"extended-tunnel-id": 0
	}		}
	]		]
	"peers":[		"peers":[
	{		{
	"peer": {		"peer": {
	"addr":"192.0.2.1",		"addr":"192.0.2.1",
	"role": "pcc",		"role": "pcc",
	"capability": {		"capability": {
	skipping to change at page 104, line 4 ¶		skipping to change at page 114, line 16 ¶
	},		},
	{		{
	"peer": {		"peer": {
	"addr":"192.0.2.2",		"addr":"192.0.2.2",
	"role": "pcc",		"role": "pcc",
	"capability": {		"capability": {
	"stateful" : {		"stateful" : {
	"enabled": true,		"enabled": true,
	"active": true,		"active": true,
	}		}
	}		}
	"sessions": [		"sessions": [
	{		{
	"session": {		"session": {
	"initiator": "remote",		"initiator": "remote",
	"role": "pcc",		"role": "pcc",
	}		}
	}		}
	]		]
	}		}
	}		}
	]		]
			},
			{
			"addr": "2001:DB8::3",
			"oper-status": "oper-status-up",
			"role":"pce",
			"peers":[
			{
			"peer": {
			"addr":"2001:DB8::4",
			"role": "pcc",
			"sessions": [
			{
			"session": {
			"initiator": "remote",
			"role": "pcc",
			}
			}
			]
			}
			}
			]
	}		}
	}		}
	Appendix B. Contributor Addresses		Appendix B. Contributor Addresses
	Rohit Pobbathi		Rohit Pobbathi
	Huawei Technologies		Huawei Technologies
	Divyashree Techno Park, Whitefield		Divyashree Techno Park, Whitefield
	Bangalore, Karnataka 560066		Bangalore, Karnataka 560066
	India		India
End of changes. 69 change blocks.
	495 lines changed or deleted		1025 lines changed or added
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