GMPLS Signaling Extensions for Shared Mesh Protection
draft-ietf-teas-gmpls-signaling-smp-05

Document Type Active Internet-Draft (teas WG)
Authors He Jia  , Italo Busi  , Jeong-dong Ryoo  , Bin-Yeong Yoon  , Peter Park 
Last updated 2021-01-14
Replaces draft-he-teas-gmpls-signaling-smp
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TEAS Working Group                                                 J. He
Internet-Draft                                                   I. Busi
Updates: 4872 (if approved)                          Huawei Technologies
Intended status: Standards Track                                 J. Ryoo
Expires: July 18, 2021                                           B. Yoon
                                                                    ETRI
                                                                 P. Park
                                                                      KT
                                                        January 14, 2021

         GMPLS Signaling Extensions for Shared Mesh Protection
                 draft-ietf-teas-gmpls-signaling-smp-05

Abstract

   ITU-T Recommendation G.808.3 defines the generic aspects of a Shared
   Mesh Protection (SMP) mechanism, where the difference between SMP and
   Shared Mesh Restoration (SMR) is also identified.  ITU-T
   Recommendation G.873.3 defines the protection switching operation and
   associated protocol for SMP at the Optical Data Unit (ODU) layer.
   RFC 7412 provides requirements for any mechanism that would be used
   to implement SMP in a Multi-Protocol Label Switching - Transport
   Profile (MPLS-TP) network.

   This document updates RFC 4872 to provide the extensions to the
   Generalized Multi-Protocol Label Switching (GMPLS) signaling to
   support the control of the SMP.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on July 18, 2021.

He, et al.                Expires July 18, 2021                 [Page 1]
Internet-Draft           GMPLS Extension for SMP            January 2021

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Conventions Used in This Document . . . . . . . . . . . . . .   3
   3.  SMP Definition  . . . . . . . . . . . . . . . . . . . . . . .   4
   4.  GMPLS Signaling Extension for SMP . . . . . . . . . . . . . .   4
     4.1.  Identifiers . . . . . . . . . . . . . . . . . . . . . . .   7
     4.2.  Signaling Primary LSPs  . . . . . . . . . . . . . . . . .   7
     4.3.  Signaling Secondary LSPs  . . . . . . . . . . . . . . . .   7
     4.4.  SMP APS Configuration . . . . . . . . . . . . . . . . . .   8
   5.  Updates to PROTECTION Object  . . . . . . . . . . . . . . . .   8
     5.1.  New Protection Type . . . . . . . . . . . . . . . . . . .   8
     5.2.  Updates on Notification and Operational Bits  . . . . . .   9
     5.3.  Preemption Priority . . . . . . . . . . . . . . . . . . .   9
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  10
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  10
   8.  Contributor . . . . . . . . . . . . . . . . . . . . . . . . .  10
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  10
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  10
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