Diff: draft-qct-lsr-ppr-yang-00.txt - draft-qct-lsr-ppr-yang-01.txt

	< draft-qct-lsr-ppr-yang-00.txt	draft-qct-lsr-ppr-yang-01.txt >

	LSR Working Group Y. Qu	LSR Working Group Y. Qu
	Internet-Draft U. Chunduri	Internet-Draft U. Chunduri
	Intended status: Standards Track Huawei USA	Intended status: Standards Track Huawei USA

	Expires: December 29, 2018 J. Tantsura	Expires: September 11, 2019 J. Tantsura
	Nuage Networks	Apstra
	June 27, 2018	March 10, 2019

	YANG Data Model for Preferred Path Routing	YANG Data Model for Preferred Path Routing

	draft-qct-lsr-ppr-yang-00	draft-qct-lsr-ppr-yang-01

	Abstract	Abstract

	This document defines YANG data modules for preferred path routing	This document defines YANG data modules for preferred path routing
	([I-D.chunduri-lsr-isis-preferred-path-routing],	([I-D.chunduri-lsr-isis-preferred-path-routing],
	[I-D.chunduri-lsr-ospf-preferred-path-routing]) configuration and	[I-D.chunduri-lsr-ospf-preferred-path-routing]) configuration and
	operation. The YANG modules are intended to be used on network	operation. The YANG modules are intended to be used on network
	elements to manage the configurations and operations of preferred	elements to manage the configurations and operations of preferred
	path routing.	path routing.


	skipping to change at page 1, line 43 ¶	skipping to change at page 1, line 43 ¶
	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 December 29, 2018.	This Internet-Draft will expire on September 11, 2019.

	Copyright Notice	Copyright Notice


	Copyright (c) 2018 IETF Trust and the persons identified as the	Copyright (c) 2019 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
	carefully, as they describe your rights and restrictions with respect	carefully, as they describe your rights and restrictions with respect
	to this document. Code Components extracted from this document must	to this document. Code Components extracted from this document must
	include Simplified BSD License text as described in Section 4.e of	include Simplified BSD License text as described in Section 4.e of
	the Trust Legal Provisions and are provided without warranty as	the Trust Legal Provisions and are provided without warranty as
	described in the Simplified BSD License.	described in the Simplified BSD License.

	Table of Contents	Table of Contents

	1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2	1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
	1.1. Tree diagram . . . . . . . . . . . . . . . . . . . . . . 2	1.1. Tree diagram . . . . . . . . . . . . . . . . . . . . . . 2
	2. PPR YANG Module . . . . . . . . . . . . . . . . . . . . . . . 2	2. PPR YANG Module . . . . . . . . . . . . . . . . . . . . . . . 2
	3. ISIS PPR YANG Module . . . . . . . . . . . . . . . . . . . . 6	3. ISIS PPR YANG Module . . . . . . . . . . . . . . . . . . . . 6

	4. OSPF PPR YANG Module . . . . . . . . . . . . . . . . . . . . 17	4. OSPF PPR YANG Module . . . . . . . . . . . . . . . . . . . . 18
	5. Security Considerations . . . . . . . . . . . . . . . . . . . 54	5. Security Considerations . . . . . . . . . . . . . . . . . . . 54
	6. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 54	6. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 54

	7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 54	7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 55
	8. References . . . . . . . . . . . . . . . . . . . . . . . . . 54	8. References . . . . . . . . . . . . . . . . . . . . . . . . . 55
	8.1. Normative References . . . . . . . . . . . . . . . . . . 54	8.1. Normative References . . . . . . . . . . . . . . . . . . 55
	8.2. Informative References . . . . . . . . . . . . . . . . . 55	8.2. Informative References . . . . . . . . . . . . . . . . . 56
	Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 56	Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 56

	1. Introduction	1. Introduction

	This document defines YANG data modules ([RFC6020], [RFC7950]) for	This document defines YANG data modules ([RFC6020], [RFC7950]) for
	preferred path routing configuration and operation.	preferred path routing configuration and operation.

	There are three YANG modules defined in this document. Module ietf-	There are three YANG modules defined in this document. Module ietf-
	ppr.yang defined the protocol independent part of configuration and	ppr.yang defined the protocol independent part of configuration and
	operations. Two IGP modules are defined as ietf-isis-ppr.yang and	operations. Two IGP modules are defined as ietf-isis-ppr.yang and

	skipping to change at page 6, line 35 ¶	skipping to change at page 6, line 35 ¶
	augment /rt:routing/rt:control-plane-protocols	augment /rt:routing/rt:control-plane-protocols
	/rt:control-plane-protocol/isis:isis:	/rt:control-plane-protocol/isis:isis:
	+--rw ppr	+--rw ppr
	+--rw enable? boolean	+--rw enable? boolean
	augment /rt:routing/rt:control-plane-protocols	augment /rt:routing/rt:control-plane-protocols
	/rt:control-plane-protocol/isis:isis/isis:database	/rt:control-plane-protocol/isis:isis/isis:database
	/isis:level-db/isis:lsp:	/isis:level-db/isis:lsp:
	+--ro ppr-tlvs	+--ro ppr-tlvs
	+--ro ppr-tlv*	+--ro ppr-tlv*
	+--ro flags? bits	+--ro flags? bits

		+--ro fragment-id? uint8
	+--ro ppr-prefix-sub-tlv	+--ro ppr-prefix-sub-tlv
	\| +--ro mt-id? uint16	\| +--ro mt-id? uint16
	\| +--ro prefix-len? uint8	\| +--ro prefix-len? uint8
	\| +--ro mask-len? uint8	\| +--ro mask-len? uint8
	\| +--ro isis-prefix? inet:ip-address	\| +--ro isis-prefix? inet:ip-address
	\| +--ro ppr-prefix-sub-sub-tlvs	\| +--ro ppr-prefix-sub-sub-tlvs
	\| +--ro unknown-tlv*	\| +--ro unknown-tlv*
	\| +--ro type? uint8	\| +--ro type? uint8
	\| +--ro length? uint8	\| +--ro length? uint8
	\| +--ro value? yang:hex-string	\| +--ro value? yang:hex-string

	skipping to change at page 7, line 45 ¶	skipping to change at page 7, line 46 ¶
	\| +--ro value? inet:ipv4-address	\| +--ro value? inet:ipv4-address
	+--ro ipv6-routerid-sub-tlv	+--ro ipv6-routerid-sub-tlv
	\| +--ro type? uint8	\| +--ro type? uint8
	\| +--ro length? uint8	\| +--ro length? uint8
	\| +--ro value? inet:ipv6-address	\| +--ro value? inet:ipv6-address
	+--ro ppr-metric-sub-tlv	+--ro ppr-metric-sub-tlv
	+--ro type? uint8	+--ro type? uint8
	+--ro length? uint8	+--ro length? uint8
	+--ro value? uint32	+--ro value? uint32


	<CODE BEGINS> file "ietf-isis-ppr@2018-06-20.yang"	<CODE BEGINS> file "ietf-isis-ppr@2019-03-10.yang"
	module ietf-isis-ppr {	module ietf-isis-ppr {
	yang-version 1.1;	yang-version 1.1;
	namespace "urn:ietf:params:xml:ns:yang:ietf-isis-ppr";	namespace "urn:ietf:params:xml:ns:yang:ietf-isis-ppr";


	prefix isis-ppr;	prefix isis-ppr;


	import ietf-inet-types {	import ietf-inet-types {
	prefix inet;	prefix inet;
	}	}

	import ietf-yang-types {	import ietf-yang-types {
	prefix "yang";	prefix "yang";
	}	}


	import ietf-routing-types {
	prefix "rt-types";
	}

	import ietf-routing {	import ietf-routing {
	prefix rt;	prefix rt;
	}	}

	import ietf-isis {	import ietf-isis {
	prefix "isis";	prefix "isis";
	}	}

	organization	organization
	"IETF LSR - Link State Routing Working Group";	"IETF LSR - Link State Routing Working Group";

	skipping to change at page 9, line 5 ¶	skipping to change at page 9, line 4 ¶

	Copyright (c) 2018 IETF Trust and the persons identified as	Copyright (c) 2018 IETF Trust and the persons identified as
	authors of the code. All rights reserved.	authors of the code. All rights reserved.

	Redistribution and use in source and binary forms, with or	Redistribution and use in source and binary forms, with or
	without modification, is permitted pursuant to, and subject	without modification, is permitted pursuant to, and subject
	to the license terms contained in, the Simplified BSD License	to the license terms contained in, the Simplified BSD License
	set forth in Section 4.c of the IETF Trust's Legal Provisions	set forth in Section 4.c of the IETF Trust's Legal Provisions
	Relating to IETF Documents	Relating to IETF Documents
	(http://trustee.ietf.org/license-info).	(http://trustee.ietf.org/license-info).


	This version of this YANG module is part of RFC XXXX;	This version of this YANG module is part of RFC XXXX;
	see the RFC itself for full legal notices.";	see the RFC itself for full legal notices.";

	reference "RFC XXXX";	reference "RFC XXXX";


	revision 2018-06-20 {	revision 2019-03-10 {
	description	description
	"Initial revision.";	"Initial revision.";
	reference	reference
	"RFC XXXX: A YANG Data Model for ISIS PPR.";	"RFC XXXX: A YANG Data Model for ISIS PPR.";
	}	}

	/* Groupings */	/* Groupings */
	grouping tlv {	grouping tlv {
	description	description
	"TLV";	"TLV";

	skipping to change at page 16, line 39 ¶	skipping to change at page 16, line 38 ¶
	"If set, the PPR TLV is leaked from ISIS level-2	"If set, the PPR TLV is leaked from ISIS level-2
	to level-1.";	to level-1.";
	}	}
	bit A {	bit A {
	position 2;	position 2;
	description	description
	"If set, it is to signal that the prefixes and PPR IDs	"If set, it is to signal that the prefixes and PPR IDs
	advertised in this TLV are directly connected to	advertised in this TLV are directly connected to
	their originators.";	their originators.";
	}	}

		bit L {
		position 3;
		description
		"L bit MUST be set if a path has only one fragment or if
		it is the last Fragment of the path.";
		}
	}	}
	description "Flags.";	description "Flags.";
	}	}

		leaf fragment-id {
		type uint8 {
		range "0 .. 127";
		}
		description
		"Identifiler of the fragment.";

		}
	uses ppr-prefix-sub-tlv;	uses ppr-prefix-sub-tlv;
	uses ppr-id-sub-tlv;	uses ppr-id-sub-tlv;
	uses ppr-pde-sub-tlv;	uses ppr-pde-sub-tlv;
	uses ppr-attribute-sub-tlv;	uses ppr-attribute-sub-tlv;
	}	}
	}	}
	}	}

	/* Configuration */	/* Configuration */
	augment "/rt:routing/rt:control-plane-protocols"	augment "/rt:routing/rt:control-plane-protocols"

	skipping to change at page 54, line 50 ¶	skipping to change at page 55, line 16 ¶

	TBD.	TBD.

	8. References	8. References

	8.1. Normative References	8.1. Normative References

	[I-D.chunduri-lsr-isis-preferred-path-routing]	[I-D.chunduri-lsr-isis-preferred-path-routing]
	Chunduri, U., Li, R., White, R., Tantsura, J., Contreras,	Chunduri, U., Li, R., White, R., Tantsura, J., Contreras,
	L., and Y. Qu, "Preferred Path Routing (PPR) in IS-IS",	L., and Y. Qu, "Preferred Path Routing (PPR) in IS-IS",

	draft-chunduri-lsr-isis-preferred-path-routing-00 (work in	draft-chunduri-lsr-isis-preferred-path-routing-02 (work in
	progress), June 2018.	progress), February 2019.

	[I-D.chunduri-lsr-ospf-preferred-path-routing]	[I-D.chunduri-lsr-ospf-preferred-path-routing]
	Chunduri, U., Qu, Y., White, R., Tantsura, J., and L.	Chunduri, U., Qu, Y., White, R., Tantsura, J., and L.
	Contreras, "Preferred Path Routing (PPR) in OSPF", draft-	Contreras, "Preferred Path Routing (PPR) in OSPF", draft-

	chunduri-lsr-ospf-preferred-path-routing-00 (work in	chunduri-lsr-ospf-preferred-path-routing-02 (work in
	progress), June 2018.	progress), February 2019.

	[I-D.ietf-isis-yang-isis-cfg]	[I-D.ietf-isis-yang-isis-cfg]
	Litkowski, S., Yeung, D., Lindem, A., Zhang, Z., and L.	Litkowski, S., Yeung, D., Lindem, A., Zhang, Z., and L.

	Lhotka, "YANG Data Model for IS-IS protocol", draft-ietf-	Lhotka, "YANG Data Model for IS-IS Protocol", draft-ietf-
	isis-yang-isis-cfg-20 (work in progress), May 2018.	isis-yang-isis-cfg-35 (work in progress), March 2019.

	[I-D.ietf-ospf-yang]	[I-D.ietf-ospf-yang]
	Yeung, D., Qu, Y., Zhang, Z., Chen, I., and A. Lindem,	Yeung, D., Qu, Y., Zhang, Z., Chen, I., and A. Lindem,

	"Yang Data Model for OSPF Protocol", draft-ietf-ospf-	"YANG Data Model for OSPF Protocol", draft-ietf-ospf-
	yang-11 (work in progress), April 2018.	yang-21 (work in progress), January 2019.

	[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate	[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
	Requirement Levels", BCP 14, RFC 2119, March 1997.	Requirement Levels", BCP 14, RFC 2119, March 1997.

	[RFC5246] Dierks, T., "The Transport Layer Security (TLS) Protocol	[RFC5246] Dierks, T., "The Transport Layer Security (TLS) Protocol
	Version 1.2", RFC 5246, August 2008.	Version 1.2", RFC 5246, August 2008.

	[RFC6020] Bjorklund, M., "YANG - A Data Modeling Language for the	[RFC6020] Bjorklund, M., "YANG - A Data Modeling Language for the
	Network Configuration Protocol (NETCONF)", RFC 6020,	Network Configuration Protocol (NETCONF)", RFC 6020,
	October 2010.	October 2010.

	skipping to change at page 56, line 24 ¶	skipping to change at page 56, line 36 ¶

	Uma Chunduri	Uma Chunduri
	Huawei USA	Huawei USA
	2330 Central Expressway	2330 Central Expressway
	Santa Clara, CA 95050	Santa Clara, CA 95050
	USA	USA

	Email: uma.chunduri@huawei.com	Email: uma.chunduri@huawei.com

	Jeff Tantsura	Jeff Tantsura

	Nuage Networks	Apstra
	755 Ravendale Drive
	Mountain View, CA 94043
	USA

	Email: jefftant.ietf@gmail.com	Email: jefftant.ietf@gmail.com

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