Extensions to RSVP-TE for LSP Egress Local Protection
draft-ietf-teas-rsvp-egress-protection-09

Document Type Active Internet-Draft (teas WG)
Last updated 2017-11-13 (latest revision 2017-10-15)
Replaces draft-ietf-mpls-rsvp-egress-protection
Stream IETF
Intended RFC status Proposed Standard
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Document shepherd Vishnu Beeram
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Send notices to Vishnu Beeram <vishnupavan@gmail.com>
Internet Engineering Task Force                                  H. Chen
Internet-Draft                                       Huawei Technologies
Intended status: Standards Track                                  A. Liu
Expires: April 18, 2018                                            Ciena
                                                                 T. Saad
                                                           Cisco Systems
                                                                   F. Xu
                                                                 Verizon
                                                                L. Huang
                                                            China Mobile
                                                        October 15, 2017

         Extensions to RSVP-TE for LSP Egress Local Protection
             draft-ietf-teas-rsvp-egress-protection-09.txt

Abstract

   This document describes extensions to Resource Reservation Protocol -
   Traffic Engineering (RSVP-TE) for locally protecting the egress
   node(s) of a Point-to-Point (P2P) or Point-to-Multipoint (P2MP)
   Traffic Engineered (TE) Label Switched Path (LSP).

Status of this Memo

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   This Internet-Draft will expire on April 18, 2018.

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   Copyright (c) 2017 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of

Chen, et al.             Expires April 18, 2018                 [Page 1]
Internet-Draft         RSVP LSP Egress Protection           October 2017

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Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1.  Egress Local Protection  . . . . . . . . . . . . . . . . .  3
   2.  Conventions Used in This Document  . . . . . . . . . . . . . .  4
   3.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  4
   4.  Protocol Extensions  . . . . . . . . . . . . . . . . . . . . .  4
     4.1.  Extensions to SERO . . . . . . . . . . . . . . . . . . . .  4
       4.1.1.  Primary Egress Subobject . . . . . . . . . . . . . . .  6
       4.1.2.  P2P LSP ID Subobject . . . . . . . . . . . . . . . . .  6
   5.  Egress Protection Behaviors  . . . . . . . . . . . . . . . . .  7
     5.1.  Ingress Behavior . . . . . . . . . . . . . . . . . . . . .  7
     5.2.  Primary Egress Behavior  . . . . . . . . . . . . . . . . .  8
     5.3.  Backup Egress Behavior . . . . . . . . . . . . . . . . . .  8
     5.4.  Transit Node and PLR Behavior  . . . . . . . . . . . . . .  9
       5.4.1.  Signaling for One-to-One Protection  . . . . . . . . . 10
       5.4.2.  Signaling for Facility Protection  . . . . . . . . . . 10
       5.4.3.  Signaling for S2L Sub LSP Protection . . . . . . . . . 11
       5.4.4.  PLR Procedures during Local Repair . . . . . . . . . . 12
   6.  Considering Application Traffic  . . . . . . . . . . . . . . . 12
     6.1.  A Typical Application  . . . . . . . . . . . . . . . . . . 12
     6.2.  PLR Procedure for Applications . . . . . . . . . . . . . . 13
     6.3.  Egress Procedures for Applications . . . . . . . . . . . . 14
   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . 14
   8.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 14
   9.  Co-authors and Contributors  . . . . . . . . . . . . . . . . . 15
   10. Acknowledgement  . . . . . . . . . . . . . . . . . . . . . . . 16
   11. References . . . . . . . . . . . . . . . . . . . . . . . . . . 16
     11.1. Normative References . . . . . . . . . . . . . . . . . . . 16
     11.2. Informative References . . . . . . . . . . . . . . . . . . 16
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 17
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