< draft-ietf-pce-pcep-yang-03.txt		draft-ietf-pce-pcep-yang-04.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: December 31, 2017 Metaswitch		Expires: January 1, 2018 Metaswitch
	V. Beeram		V. Beeram
	Juniper Networks		Juniper Networks
	J. Tantsura		J. Tantsura
	June 29, 2017		June 30, 2017
	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-03		draft-ietf-pce-pcep-yang-04
	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 http://datatracker.ietf.org/drafts/current/.		Drafts is at http://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 December 31, 2017.		This Internet-Draft will expire on January 1, 2018.
	Copyright Notice		Copyright Notice
	Copyright (c) 2017 IETF Trust and the persons identified as the		Copyright (c) 2017 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
	(http://trustee.ietf.org/license-info) in effect on the date of		(http://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 20 ¶		skipping to change at page 2, line 20 ¶
	Table of Contents		Table of Contents
	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 . . . . . . . . . . . . . . . 5		3.2. Prefixes in Data Node Names . . . . . . . . . . . . . . . 5
	4. Objectives . . . . . . . . . . . . . . . . . . . . . . . . . 6		4. Objectives . . . . . . . . . . . . . . . . . . . . . . . . . 6
	5. The Design of PCEP Data Model . . . . . . . . . . . . . . . . 6		5. The Design of PCEP Data Model . . . . . . . . . . . . . . . . 6
	5.1. The Entity . . . . . . . . . . . . . . . . . . . . . . . 15		5.1. The Entity . . . . . . . . . . . . . . . . . . . . . . . 14
	5.2. The Peer Lists . . . . . . . . . . . . . . . . . . . . . 15		5.2. The Peer Lists . . . . . . . . . . . . . . . . . . . . . 14
	5.3. The Session Lists . . . . . . . . . . . . . . . . . . . . 16		5.3. The Session Lists . . . . . . . . . . . . . . . . . . . . 15
	5.4. Notifications . . . . . . . . . . . . . . . . . . . . . . 16		5.4. Notifications . . . . . . . . . . . . . . . . . . . . . . 15
	5.5. RPC . . . . . . . . . . . . . . . . . . . . . . . . . . . 16		5.5. RPC . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
	6. The Design of PCEP Statistics Data Model . . . . . . . . . . 16		6. The Design of PCEP Statistics Data Model . . . . . . . . . . 15
	7. Advanced PCE Features . . . . . . . . . . . . . . . . . . . . 19		7. Advanced PCE Features . . . . . . . . . . . . . . . . . . . . 18
	7.1. Stateful PCE's LSP-DB . . . . . . . . . . . . . . . . . . 20		7.1. Stateful PCE's LSP-DB . . . . . . . . . . . . . . . . . . 19
	8. Open Issues and Next Step . . . . . . . . . . . . . . . . . . 20		8. Open Issues and Next Step . . . . . . . . . . . . . . . . . . 19
	8.1. The PCE-Initiated LSP . . . . . . . . . . . . . . . . . . 20		8.1. The PCE-Initiated LSP . . . . . . . . . . . . . . . . . . 19
	9. Other Considerations . . . . . . . . . . . . . . . . . . . . 20		9. Other Considerations . . . . . . . . . . . . . . . . . . . . 19
	9.1. PCEP over TLS (PCEPS) . . . . . . . . . . . . . . . . . . 20		9.1. PCEP over TLS (PCEPS) . . . . . . . . . . . . . . . . . . 19
	10. PCEP YANG Modules . . . . . . . . . . . . . . . . . . . . . . 21		10. PCEP YANG Modules . . . . . . . . . . . . . . . . . . . . . . 20
	10.1. ietf-pcep module . . . . . . . . . . . . . . . . . . . . 21		10.1. ietf-pcep module . . . . . . . . . . . . . . . . . . . . 20
	10.2. ietf-pcep-stats module . . . . . . . . . . . . . . . . . 77		10.2. ietf-pcep-stats module . . . . . . . . . . . . . . . . . 76
	11. Security Considerations . . . . . . . . . . . . . . . . . . . 97		11. Security Considerations . . . . . . . . . . . . . . . . . . . 96
	12. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 98		12. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 97
	13. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 98		13. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 97
	14. References . . . . . . . . . . . . . . . . . . . . . . . . . 98		14. References . . . . . . . . . . . . . . . . . . . . . . . . . 98
	14.1. Normative References . . . . . . . . . . . . . . . . . . 98		14.1. Normative References . . . . . . . . . . . . . . . . . . 98
	14.2. Informative References . . . . . . . . . . . . . . . . . 100		14.2. Informative References . . . . . . . . . . . . . . . . . 99
	Appendix A. Contributor Addresses . . . . . . . . . . . . . . . 102		Appendix A. Contributor Addresses . . . . . . . . . . . . . . . 101
	Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 103		Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 102
	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 7, line 5 ¶		skipping to change at page 7, line 5 ¶
	data model.		data model.
	o It should be fairly straightforward to augment the base data model		o It should be fairly straightforward to augment the base data model
	for advanced PCE features.		for advanced PCE features.
	5. The Design of PCEP Data Model		5. The Design of 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 (auth-type-selection)?		+--rw connect-timer? uint32
	| +--:(auth-key-chain)		+--rw connect-max-retry? uint32
	| | +--rw key-chain?		+--rw init-backoff-timer? uint32
	| | key-chain:key-chain-ref		+--rw max-backoff-timer? uint32
	| +--:(auth-key)		+--rw open-wait-timer? uint32
	| | +--rw crypto-algorithm identityref		+--rw keep-wait-timer? uint32
	| | +--rw key-string		+--rw keep-alive-timer? uint32
	| | +--rw (key-string-style)?		+--rw dead-timer? uint32
	| | +--:(keystring)		+--rw allow-negotiation? boolean
	| | | +--rw keystring? string		+--rw max-keep-alive-timer? uint32
	| | +--:(hexadecimal)		+--rw max-dead-timer? uint32
	| | {key-chain:hex-key-string}?		+--rw min-keep-alive-timer? uint32
	| | +--rw hexadecimal-string?		+--rw min-dead-timer? uint32
	| | yang:hex-string		+--rw sync-timer? uint32 {svec}?
	| +--:(auth-tls) {tls}?		+--rw request-timer? uint32
	| +--rw tls-pce		+--rw max-sessions? uint32
	| | +--rw certificates		+--rw max-unknown-reqs? uint32
	| | | +--rw certificate* [name]		+--rw max-unknown-msgs? uint32
	| | | +--rw name leafref		+--rw pcep-notification-max-rate uint32
	| | +--rw client-auth		+--rw stateful-parameter {stateful}?
	| | | +--rw trusted-ca-certs? leafref		| +--rw state-timeout? uint32
	| | | +--rw trusted-client-certs? leafref		| +--rw redelegation-timeout? uint32
	| | +--rw hello-params		| +--rw rpt-non-pcep-lsp? boolean
	| | {tls-server-hello-params-config}?		+--rw of-list {objective-function}?
	| | +--rw tls-versions		| +--rw objective-function* [of]
	| | | +--rw tls-version* identityref		| +--rw of objective-function
	| | +--rw cipher-suites		+--ro lsp-db {stateful}?
	| | +--rw cipher-suite* identityref		| +--ro db-ver? uint64
	| +--rw tls-pcc		| | {stateful-sync-opt}?
	| +--rw server-auth		| +--ro association-list*
	| | +--rw trusted-ca-certs? leafref		| | [id source global-source extended-id]
	| | +--rw trusted-server-certs? leafref		| | +--ro type? assoc-type
	| +--rw client-auth		| | +--ro id uint16
	| | +--rw (auth-type)?		| | +--ro source inet:ip-address
	| | +--:(certificate)		| | +--ro global-source uint32
	| | +--rw certificate? leafref		| | +--ro extended-id string
	| +--rw hello-params		| | +--ro lsp* [plsp-id pcc-id]
	| {tls-client-hello-params-config}?		| | +--ro plsp-id
	| +--rw tls-versions		| | | -> /pcep/entity/lsp-db/lsp/plsp-id
	| | +--rw tls-version* identityref		| | +--ro pcc-id -> /pcep/entity/lsp-db/lsp/pcc-id
	| +--rw cipher-suites		| +--ro lsp* [plsp-id pcc-id]
	| +--rw cipher-suite* identityref		| +--ro plsp-id uint32
	+--rw connect-timer? uint32		| +--ro pcc-id inet:ip-address
	+--rw connect-max-retry? uint32		| +--ro lsp-ref
	+--rw init-backoff-timer? uint32		| | +--ro source?
	+--rw max-backoff-timer? uint32		| | | -> /te:te/lsps-state/lsp/source
	+--rw open-wait-timer? uint32		| | +--ro destination?
	+--rw keep-wait-timer? uint32		| | | -> /te:te/lsps-state/lsp/destination
	+--rw keep-alive-timer? uint32		| | +--ro tunnel-id?
	+--rw dead-timer? uint32		| | | -> /te:te/lsps-state/lsp/tunnel-id
	+--rw allow-negotiation? boolean		| | +--ro lsp-id?
	+--rw max-keep-alive-timer? uint32		| | | -> /te:te/lsps-state/lsp/lsp-id
	+--rw max-dead-timer? uint32		| | +--ro extended-tunnel-id? leafref
	+--rw min-keep-alive-timer? uint32		| | +--ro type?
	+--rw min-dead-timer? uint32		| | -> /te:te/lsps-state/lsp/type
	+--rw sync-timer? uint32 {svec}?		| +--ro admin-state? boolean
	+--rw request-timer? uint32		| +--ro operational-state? operational-state
	+--rw max-sessions? uint32		| +--ro delegated
	+--rw max-unknown-reqs? uint32		| | +--ro enabled? boolean
	+--rw max-unknown-msgs? uint32		| | +--ro peer? -> /pcep/entity/peers/peer/addr
	+--rw pcep-notification-max-rate uint32		| | +--ro srp-id? uint32
	+--rw stateful-parameter {stateful}?		| +--ro initiation {pce-initiated}?
	| +--rw state-timeout? uint32		| | +--ro enabled? boolean
	| +--rw redelegation-timeout? uint32		| | +--ro peer? -> /pcep/entity/peers/peer/addr
	| +--rw rpt-non-pcep-lsp? boolean		| +--ro symbolic-path-name? string
	+--rw of-list {objective-function}?		| +--ro last-error? lsp-error
	| +--rw objective-function* [of]		| +--ro pst? pst
	| +--rw of objective-function		| +--ro association-list*
	+--ro lsp-db {stateful}?		| [id source global-source extended-id]
	| +--ro db-ver? uint64		| +--ro id leafref
	| | {stateful-sync-opt}?		| +--ro source leafref
	| +--ro association-list*		| +--ro global-source leafref
	| | [id source global-source extended-id]		| +--ro extended-id leafref
	| | +--ro type? assoc-type		+--ro path-keys {path-key}?
	| | +--ro id uint16		| +--ro path-keys* [path-key]
	| | +--ro source inet:ip-address		| +--ro path-key uint16
	| | +--ro global-source uint32		| +--ro cps
	| | +--ro extended-id string		| | +--ro explicit-route-objects* [index]
	| | +--ro lsp* [plsp-id pcc-id]		| | +--ro explicit-route-usage? identityref
	| | +--ro plsp-id		| | +--ro index uint32
	| | | -> /pcep/entity/lsp-db/lsp/plsp-id		| | +--ro (type)?
	| | +--ro pcc-id		| | +--:(numbered)
	| | -> /pcep/entity/lsp-db/lsp/pcc-id		| | | +--ro numbered-hop
	| +--ro lsp* [plsp-id pcc-id]		| | | +--ro address? te-types:te-tp-id
	| +--ro plsp-id uint32		| | | +--ro hop-type? te-hop-type
	| +--ro pcc-id inet:ip-address		| | +--:(as-number)
	| +--ro lsp-ref		| | | +--ro as-number-hop
	| | +--ro source?		| | | +--ro as-number? binary
	| | | -> /te:te/lsps-state/lsp/source		| | | +--ro hop-type? te-hop-type
	| | +--ro destination?		| | +--:(unnumbered)
	| | | -> /te:te/lsps-state/lsp/destination		| | | +--ro unnumbered-hop
	| | +--ro tunnel-id?		| | | +--ro node-id?
	| | | -> /te:te/lsps-state/lsp/tunnel-id		| | | | te-types:te-node-id
	| | +--ro lsp-id?		| | | +--ro link-tp-id? te-types:te-tp-id
	| | | -> /te:te/lsps-state/lsp/lsp-id		| | | +--ro hop-type? te-hop-type
	| | +--ro extended-tunnel-id? leafref		| | +--:(label)
	| | +--ro type?		| | | +--ro label-hop
	| | -> /te:te/lsps-state/lsp/type		| | | +--ro value?
	| +--ro admin-state? boolean		| | | rt-types:generalized-label
	| +--ro operational-state? operational-state		| | +--:(sid)
	| +--ro delegated		| | +--ro sid-hop
	| | +--ro enabled? boolean		| | +--ro sid?
	| | +--ro peer? -> /pcep/entity/peers/peer/addr		| | rt-types:generalized-label
	| | +--ro srp-id? uint32		| +--ro pcc-original?
	| +--ro initiation {pce-initiated}?		| | -> /pcep/entity/peers/peer/addr
	| | +--ro enabled? boolean		| +--ro req-id? uint32
	| | +--ro peer? -> /pcep/entity/peers/peer/addr		| +--ro retrieved? boolean
	| +--ro symbolic-path-name? string		| +--ro pcc-retrieved?
	| +--ro last-error? lsp-error		| | -> /pcep/entity/peers/peer/addr
	| +--ro pst? pst		| +--ro creation-time? yang:timestamp
	| +--ro association-list*		| +--ro discard-time? uint32
	| [id source global-source extended-id]		| +--ro reuse-time? uint32
	| +--ro id leafref		+--rw peers
	| +--ro source leafref		+--rw peer* [addr]
	| +--ro global-source leafref		+--rw addr inet:ip-address
	| +--ro extended-id leafref		+--rw role? pcep-role
	+--ro path-keys {path-key}?		+--rw description? string
	| +--ro path-keys* [path-key]		+--rw domain
	| +--ro path-key uint16		| +--rw domain* [domain-type domain]
	| +--ro cps		| +--rw domain-type domain-type
	| | +--ro explicit-route-objects* [index]		| +--rw domain domain
	| | +--ro explicit-route-usage? identityref		+--rw capability
	| | +--ro index uint32		| +--rw gmpls? boolean {gmpls}?
	| | +--ro (type)?		| +--rw bi-dir? boolean
	| | +--:(ip-address)		| +--rw diverse? boolean
	| | | +--ro ip-address-hop		| +--rw load-balance? boolean
	| | | +--ro address? inet:ip-address		| +--rw synchronize? boolean {svec}?
	| | | +--ro hop-type? te-hop-type		| +--rw objective-function? boolean
	| | +--:(as-number)		| | {objective-function}?
	| | | +--ro as-number-hop		| +--rw add-path-constraint? boolean
	| | | +--ro as-number? binary		| +--rw prioritization? boolean
	| | | +--ro hop-type? te-hop-type		| +--rw multi-request? boolean
	| | +--:(unnumbered-link)		| +--rw gco? boolean {gco}?
	| | | +--ro unnumbered-hop		| +--rw p2mp? boolean {p2mp}?
	| | | +--ro router-id?		| +--rw stateful {stateful}?
	| | | | inet:ip-address		| | +--rw enabled? boolean
	| | | +--ro interface-id? uint32		| | +--rw active? boolean
	| | | +--ro hop-type? te-hop-type		| | +--rw pce-initiated? boolean
	| | +--:(label)		| | | {pce-initiated}?
	| | | +--ro label-hop		| | +--rw include-db-ver? boolean
	| | | +--ro value?		| | | {stateful-sync-opt}?
	| | | rt-types:generalized-label		| | +--rw trigger-resync? boolean
	| | +--:(sid)		| | | {stateful-sync-opt}?
	| | +--ro sid-hop		| | +--rw trigger-initial-sync? boolean
	| | +--ro sid?		| | | {stateful-sync-opt}?
	| | rt-types:generalized-label		| | +--rw incremental-sync? boolean
	| +--ro pcc-original?		| | {stateful-sync-opt}?
	| | -> /pcep/entity/peers/peer/addr		| +--rw sr {sr}?
	| +--ro req-id? uint32		| +--rw enabled? boolean
	| +--ro retrieved? boolean		+--rw pce-info
	| +--ro pcc-retrieved?		| +--rw scope
	| | -> /pcep/entity/peers/peer/addr		| | +--rw intra-area-scope? boolean
	| +--ro creation-time? yang:timestamp		| | +--rw intra-area-pref? uint8
	| +--ro discard-time? uint32		| | +--rw inter-area-scope? boolean
	| +--ro reuse-time? uint32		| | +--rw inter-area-scope-default? boolean
	+--rw peers		| | +--rw inter-area-pref? uint8
	+--rw peer* [addr]		| | +--rw inter-as-scope? boolean
	+--rw addr inet:ip-address		| | +--rw inter-as-scope-default? boolean
	+--ro role? pcep-role		| | +--rw inter-as-pref? uint8
	+--rw description? string		| | +--rw inter-layer-scope? boolean
	+--rw domain		| | +--rw inter-layer-pref? uint8
	| +--rw domain* [domain-type domain]		| +--rw neigh-domains
	| +--rw domain-type domain-type		| +--rw domain* [domain-type domain]
	| +--rw domain domain		| +--rw domain-type domain-type
	+--rw capability		| +--rw domain domain
	| +--rw gmpls? boolean		+--rw delegation-pref? uint8 {stateful}?
	| | {gmpls}?		+--rw auth
	| +--rw bi-dir? boolean		| +--rw (auth-type-selection)?
	| +--rw diverse? boolean		| +--:(auth-key-chain)
	| +--rw load-balance? boolean		| | +--rw key-chain?
	| +--rw synchronize? boolean {svec}?		| | key-chain:key-chain-ref
	| +--rw objective-function? boolean		| +--:(auth-key)
	| | {objective-function}?		| | +--rw crypto-algorithm identityref
	| +--rw add-path-constraint? boolean		| | +--rw key-string
	| +--rw prioritization? boolean		| | +--rw (key-string-style)?
	| +--rw multi-request? boolean		| | +--:(keystring)
	| +--rw gco? boolean {gco}?		| | | +--rw keystring? string
	| +--rw p2mp? boolean {p2mp}?		| | +--:(hexadecimal)
	| +--rw stateful {stateful}?		| | {key-chain:hex-key-string}?
	| | +--rw enabled? boolean		| | +--rw hexadecimal-string?
	| | +--rw active? boolean		| | yang:hex-string
	| | +--rw pce-initiated? boolean		| +--:(auth-tls) {tls}?
	| | | {pce-initiated}?		| +--rw (role)?
	| | +--rw include-db-ver? boolean		| +--:(server)
	| | | {stateful-sync-opt}?		| | +--rw tls-server
	| | +--rw trigger-resync? boolean		| | +--rw certificates
	| | | {stateful-sync-opt}?		| | | +--rw certificate* [name]
	| | +--rw trigger-initial-sync? boolean		| | | +--rw name leafref
	| | | {stateful-sync-opt}?		| | +--rw client-auth
	| | +--rw incremental-sync? boolean		| | | +--rw trusted-ca-certs? leafref
	| | {stateful-sync-opt}?		| | | +--rw trusted-client-certs? leafref
	| +--rw sr {sr}?		| | +--rw hello-params
	| +--rw enabled? boolean		| | {tls-server-hello-params-config}?
	+--rw pce-info		| | +--rw tls-versions
	| +--rw scope		| | | +--rw tls-version*
	| | +--rw intra-area-scope? boolean		| | | identityref
	| | +--rw intra-area-pref? uint8		| | +--rw cipher-suites
	| | +--rw inter-area-scope? boolean		| | +--rw cipher-suite*
	| | +--rw inter-area-scope-default? boolean		| | identityref
	| | +--rw inter-area-pref? uint8		| +--:(client)
	| | +--rw inter-as-scope? boolean		| +--rw tls-client
	| | +--rw inter-as-scope-default? boolean		| +--rw server-auth
	| | +--rw inter-as-pref? uint8		| | +--rw trusted-ca-certs? leafref
	| | +--rw inter-layer-scope? boolean		| | +--rw trusted-server-certs? leafref
	| | +--rw inter-layer-pref? uint8		| +--rw client-auth
	| +--rw neigh-domains		| | +--rw (auth-type)?
	| +--rw domain* [domain-type domain]		| | +--:(certificate)
	| +--rw domain-type domain-type		| | +--rw certificate? leafref
	| +--rw domain domain		| +--rw hello-params
	+--rw delegation-pref? uint8 {stateful}?		| {tls-client-hello-params-config}?
	+--rw (auth-type-selection)?		| +--rw tls-versions
	| +--:(auth-key-chain)		| | +--rw tls-version*
	| | +--rw key-chain?		| | identityref
	| | key-chain:key-chain-ref		| +--rw cipher-suites
	| +--:(auth-key)		| +--rw cipher-suite*
	| | +--rw crypto-algorithm identityref		| identityref
	| | +--rw key-string		+--ro discontinuity-time? yang:timestamp
	| | +--rw (key-string-style)?		+--ro initiate-session? boolean
	| | +--:(keystring)		+--ro session-exists? boolean
	| | | +--rw keystring? string		+--ro session-up-time? yang:timestamp
	| | +--:(hexadecimal)		+--ro session-fail-time? yang:timestamp
	| | {key-chain:hex-key-string}?		+--ro session-fail-up-time? yang:timestamp
	| | +--rw hexadecimal-string?		+--ro sessions
	| | yang:hex-string		+--ro session* [initiator]
	| +--:(auth-tls) {tls}?		+--ro initiator pcep-initiator
	| +--rw tls-pce		+--ro role?
	| | +--rw certificates		| -> /pcep/entity/role
	| | | +--rw certificate* [name]		+--ro state-last-change? yang:timestamp
	| | | +--rw name leafref		+--ro state? pcep-sess-state
	| | +--rw client-auth		+--ro session-creation? yang:timestamp
	| | | +--rw trusted-ca-certs? leafref		+--ro connect-retry? yang:counter32
	| | | +--rw trusted-client-certs? leafref		+--ro local-id? uint32
	| | +--rw hello-params		+--ro remote-id? uint32
	| | {tls-server-hello-params-config}?		+--ro keepalive-timer? uint32
	| | +--rw tls-versions		+--ro peer-keepalive-timer? uint32
	| | | +--rw tls-version* identityref		+--ro dead-timer? uint32
	| | +--rw cipher-suites		+--ro peer-dead-timer? uint32
	| | +--rw cipher-suite* identityref		+--ro ka-hold-time-rem? uint32
	| +--rw tls-pcc		+--ro overloaded? boolean
	| +--rw server-auth		+--ro overload-time? uint32
	| | +--rw trusted-ca-certs? leafref		+--ro peer-overloaded? boolean
	| | +--rw trusted-server-certs? leafref		+--ro peer-overload-time? uint32
	| +--rw client-auth		+--ro lspdb-sync? sync-state
	| | +--rw (auth-type)?		| {stateful}?
	| | +--:(certificate)		+--ro recv-db-ver? uint64
	| | +--rw certificate? leafref		| {stateful,stateful-sync-opt}?
	| +--rw hello-params		+--ro of-list {objective-function}?
	| {tls-client-hello-params-config}?		| +--ro objective-function* [of]
	| +--rw tls-versions		| +--ro of objective-function
	| | +--rw tls-version* identityref		+--ro speaker-entity-id? string
	| +--rw cipher-suites		| {stateful-sync-opt}?
	| +--rw cipher-suite* identityref		+--ro discontinuity-time? yang:timestamp
	+--ro discontinuity-time? yang:timestamp
	+--ro initiate-session? boolean
	+--ro session-exists? boolean
	+--ro session-up-time? yang:timestamp
	+--ro session-fail-time? yang:timestamp
	+--ro session-fail-up-time? yang:timestamp
	+--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 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 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? leafref		| +--ro session-initiator? leafref
	| +--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? leafref		| +--ro session-initiator? leafref
	| +--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? leafref		| +--ro session-initiator? leafref
	| +--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
	5.1. The Entity		5.1. 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 21, line 13 ¶		skipping to change at page 20, line 22 ¶
	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@2017-06-29.yang"		<CODE BEGINS> file "ietf-pcep@2017-06-30.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";
	}		}
	skipping to change at page 22, line 4 ¶		skipping to change at page 21, line 14 ¶
	prefix "nacm";		prefix "nacm";
	}		}
	import ietf-tls-server {		import ietf-tls-server {
	prefix "tls-server";		prefix "tls-server";
	}		}
	import ietf-tls-client {		import ietf-tls-client {
	prefix "tls-client";		prefix "tls-client";
	}		}
	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>
	WG Chair: JP Vasseur		WG Chair: JP Vasseur
	<mailto:jpv@cisco.com>		<mailto:jpv@cisco.com>
	WG Chair: Julien Meuric		WG Chair: Julien Meuric
	<mailto:julien.meuric@orange.com>		<mailto:julien.meuric@orange.com>
	WG Chair: Jonathan Hardwick		WG Chair: Jonathan Hardwick
	<mailto:Jonathan.Hardwick@metaswitch.com>		<mailto:Jonathan.Hardwick@metaswitch.com>
	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 2017-06-29 {		revision 2017-06-30 {
	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
	*/		*/
	skipping to change at page 50, line 38 ¶		skipping to change at page 49, line 49 ¶
	"If set, a PCC reports LSPs that are not		"If set, a PCC reports LSPs that are not
	controlled by any PCE (for example, LSPs		controlled by any PCE (for example, LSPs
	that are statically configured at the		that are statically configured at the
	PCC). ";		PCC). ";
	}		}
	}		}
	grouping authentication {		grouping authentication {
	description "Authentication Information";		description "Authentication Information";
	choice auth-type-selection {		container auth {
	description		description
	"Options for expressing authentication setting.";		"The Authentication options";
	case auth-key-chain {
	leaf key-chain {
	type key-chain:key-chain-ref;
	description
	"key-chain name.";
	}
	}
	case auth-key {
	leaf crypto-algorithm {
	type identityref {
	base key-chain:crypto-algorithm;
	}		choice auth-type-selection {
	mandatory true;		description
	description		"Options for expressing authentication setting.";
	"Cryptographic algorithm associated with key.";		case auth-key-chain {
	}		leaf key-chain {
	container key-string {		type key-chain:key-chain-ref;
	description		description
	"The key string.";		"key-chain name.";
	nacm:default-deny-all;		}
	choice key-string-style {		}
	description		case auth-key {
	"Key string styles";		leaf crypto-algorithm {
	case keystring {		type identityref {
	leaf keystring {		base key-chain:crypto-algorithm;
	type string;
	description
	"Key string in ASCII format.";
	}		}
			mandatory true;
			description
			"Cryptographic algorithm associated with key.";
	}		}
	case hexadecimal {		container key-string {
	if-feature "key-chain:hex-key-string";		description
	leaf hexadecimal-string {		"The key string.";
	type yang:hex-string;		nacm:default-deny-all;
			choice key-string-style {
	description		description
	"Key in hexadecimal string format. When		"Key string styles";
	compared to ASCII, specification in		case keystring {
	hexadecimal affords greater key		leaf keystring {
	entropy with the same number of		type string;
	octets. Additionally, it discourages		description
	usage of well-known words or		"Key string in ASCII format.";
	numbers.";		}
			}
			case hexadecimal {
			if-feature "key-chain:hex-key-string";
			leaf hexadecimal-string {
			type yang:hex-string;
			description
			"Key in hexadecimal string format. When
			compared to ASCII, specification in
			hexadecimal affords greater key
			entropy with the same number of
			octets. Additionally, it discourages
			usage of well-known words or
			numbers.";
			}
			}
	}		}
	}
	}
	}
	}
	case auth-tls {
	if-feature tls;
	container tls-pce {
	when "../role = 'pce' "
	+ "or ../role = 'pcc-and-pce'" {
	description
	"Valid for PCEP Peer as PCE/PCC-PCE";
	}
	uses tls-server:tls-server-grouping {		}
	description
	"Server TLS information.";
	}
	description
	"TLS related information";
	}		}
			case auth-tls {
	container tls-pcc {		if-feature tls;
	when "../role = 'pcc' "		choice role{
	+ "or ../role = 'pcc-and-pce'" {
	description
	"Valid for PCEP Peer as PCC/PCC_PCE";
	}
	uses tls-client:tls-client-grouping {
	description		description
	"Client TLS information.";		"The role of the local entity";
			case server {
			container tls-server {
			uses tls-server:tls-server-grouping {
			description
			"Server TLS information.";
			}
			description
			"TLS related information";
			}
			}
			case client{
			container tls-client {
			uses tls-client:tls-client-grouping {
			description
			"Client TLS information.";
			}
			description
			"TLS related information";
			}
			}
	}		}
	description
	"TLS related information";
	}		}
	}		}
	}		}
	}		}
	grouping path-key {		grouping path-key {
	description "Path-key related information";		description "Path-key related information";
	leaf enabled{		leaf enabled{
	type boolean;		type boolean;
	description		description
	skipping to change at page 61, line 42 ¶		skipping to change at page 61, line 4 ¶
	"(. = 0)))" {		"(. = 0)))" {
	error-message		error-message
	"Invalid Keepalive hold		"Invalid Keepalive hold
	time remaining";		time remaining";
	description		description
	"If state is tcp-pending		"If state is tcp-pending
	or open-wait then this		or open-wait then this
	field is not used and		field is not used and
	MUST be set to zero.";		MUST be set to zero.";
	}		}
	description		description
	"The keep alive hold time		"The keep alive hold time
	remaining for this session.";		remaining for this session.";
	}		}
			leaf overloaded {
			type boolean;
			description
			"If the local PCEP entity has
			informed the peer that it is
			currently overloaded, then
			this is set to true.
			Otherwise, it is set to
			false.";
			}
	leaf overload-time {		leaf overload-time {
	type uint32;		type uint32;
	units "seconds";		units "seconds";
	must "((../overloaded = true()) " +		must "((../overloaded = true()) " +
	"or ((../overloaded != true()) " +		"or ((../overloaded != true()) " +
	"and (. = 0)))" {		"and (. = 0)))" {
	error-message		error-message
	"Invalid overload-time";		"Invalid overload-time";
	description		description
	"This field is only used		"This field is only used
	skipping to change at page 67, line 4 ¶		skipping to change at page 66, line 24 ¶
	"Local PCEP entity information";		"Local PCEP entity information";
	}		}
	container pce-info {		container pce-info {
	when "../role = 'pce'" +		when "../role = 'pce'" +
	"or " +		"or " +
	"../role = 'pcc-and-pce'"		"../role = 'pcc-and-pce'"
	{		{
	description		description
	"Valid at PCE";		"Valid at PCE";
	}		}
	uses pce-info {		uses pce-info {
	description		description
	"Local PCE information";		"Local PCE information";
	}		}
	container path-key {		container path-key {
	if-feature path-key;		if-feature path-key;
	uses path-key {		uses path-key {
	description		description
	"Path-Key Configuration";		"Path-Key Configuration";
	}		}
	description		description
	"Path-Key Configuration";		"Path-Key Configuration";
	}		}
	description		description
	"The Local PCE Entity PCE information";		"The Local PCE Entity PCE information";
	}		}
	uses authentication {
	description
	"Local PCEP entity authentication information";
	}
	uses pcep-entity-info {		uses pcep-entity-info {
	description		description
	"The configuration related to the PCEP		"The configuration related to the PCEP
	entity.";		entity.";
	}		}
	leaf pcep-notification-max-rate {		leaf pcep-notification-max-rate {
	type uint32;		type uint32;
	mandatory true;		mandatory true;
	description		description
	skipping to change at page 70, line 37 ¶		skipping to change at page 70, line 4 ¶
	description		description
	"The peer configured for the entity.		"The peer configured for the entity.
	(remote PCE)";		(remote PCE)";
	leaf addr {		leaf addr {
	type inet:ip-address;		type inet:ip-address;
	description		description
	"The local Internet address of this		"The local Internet address of this
	PCEP peer.";		PCEP peer.";
	}		}
	leaf role {		leaf role {
	type pcep-role;		type pcep-role;
	config false;
	description		description
	"The role of the PCEP Peer.		"The role of the PCEP Peer.
	Takes one of the following values.		Takes one of the following values.
	- unknown(0): this PCEP peer role is not		- unknown(0): this PCEP peer role is not
	known.		known.
	- pcc(1): this PCEP peer is a PCC.		- pcc(1): this PCEP peer is a PCC.
	- pce(2): this PCEP peer is a PCE.		- pce(2): this PCEP peer is a PCE.
	- pcc-and-pce(3): this PCEP peer		- pcc-and-pce(3): this PCEP peer
	is both a PCC and a PCE.";		is both a PCC and a PCE.";
	}		}
	skipping to change at page 71, line 20 ¶		skipping to change at page 70, line 34 ¶
	description		description
	"PCE Peer information";		"PCE Peer information";
	}		}
	container pce-info {		container pce-info {
	when "../role = 'pce'" +		when "../role = 'pce'" +
	"or " +		"or " +
	"../role = 'pcc-and-pce'"		"../role = 'pcc-and-pce'"
	{		{
	description		description
	"When the peer is PCE";		"Valid at PCE";
	}		}
	uses pce-info {		uses pce-info {
	description		description
	"PCE Peer information";		"PCE Peer information";
	}		}
	description		description
	"The PCE Peer information";		"The PCE Peer information";
	}		}
	skipping to change at page 76, line 38 ¶		skipping to change at page 76, line 4 ¶
	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@2017-06-29.yang"		<CODE BEGINS> file "ietf-pcep-stats@2017-06-30.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;
	}		}
	skipping to change at page 77, line 41 ¶		skipping to change at page 77, line 9 ¶
	<mailto:julien.meuric@orange.com>		<mailto:julien.meuric@orange.com>
	WG Chair: Jonathan Hardwick		WG Chair: Jonathan Hardwick
	<mailto:Jonathan.Hardwick@metaswitch.com>		<mailto:Jonathan.Hardwick@metaswitch.com>
	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 2017-06-29 {		revision 2017-06-30 {
	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
	*/		*/
	grouping pcep-stats{		grouping pcep-stats{
	description		description
	"This grouping defines statistics for PCEP. It is used		"This grouping defines statistics for PCEP. It is used
	for both peer and current session.";		for both peer and current session.";
End of changes. 36 change blocks.
	497 lines changed or deleted		463 lines changed or added
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