RSVP-TE Extensions for Collecting SRLG Information
draft-ietf-teas-rsvp-te-srlg-collect-08

Document Type Active Internet-Draft (teas WG)
Last updated 2016-09-08 (latest revision 2016-08-24)
Replaces draft-ietf-ccamp-rsvp-te-srlg-collect
Stream IETF
Intended RFC status Proposed Standard
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Stream WG state Submitted to IESG for Publication Jan 2015
Document shepherd Vishnu Beeram
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RFC Editor RFC Editor state EDIT
TEAS Working Group                                         F. Zhang, Ed.
Internet-Draft                                                    Huawei
Intended status: Standards Track                O. Gonzalez de Dios, Ed.
Expires February 24, 2017                          Telefonica Global CTO
                                                              M. Hartley
                                                                  Z. Ali
                                                                   Cisco
                                                             C. Margaria

                                                         August 24, 2016

           RSVP-TE Extensions for Collecting SRLG Information
                draft-ietf-teas-rsvp-te-srlg-collect-08

Abstract

   This document provides extensions for the Resource ReserVation
   Protocol-Traffic Engineering (RSVP-TE), including GMPLS, to support
   automatic collection of Shared Risk Link Group (SRLG) information for
   the TE link formed by a Label Switched Path (LSP).

Status of This Memo

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   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on February 24, 2017.

Copyright Notice

   Copyright (c) 2016 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
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
 

Zhang, et al.          Expires February 24, 2017                [Page 1]
Internet-Draft      RSVP-TE Ext for Collecting SRLG          August 2016

   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  2
     1.1.  Applicability Example: Dual Homing . . . . . . . . . . . .  3
   2.  Requirements Language  . . . . . . . . . . . . . . . . . . . .  5
   3.  RSVP-TE Requirements . . . . . . . . . . . . . . . . . . . . .  5
     3.1.  SRLG Collection Indication . . . . . . . . . . . . . . . .  5
     3.2.  SRLG Collection  . . . . . . . . . . . . . . . . . . . . .  5
     3.3.  SRLG Update  . . . . . . . . . . . . . . . . . . . . . . .  5
     3.4.  SRLG ID definition . . . . . . . . . . . . . . . . . . . .  6
   4.  Encodings  . . . . . . . . . . . . . . . . . . . . . . . . . .  6
     4.1.  SRLG Collection Flag . . . . . . . . . . . . . . . . . . .  6
     4.2.  RRO SRLG sub-object  . . . . . . . . . . . . . . . . . . .  6
   5.  Signaling Procedures . . . . . . . . . . . . . . . . . . . . .  8
     5.1.  SRLG Collection  . . . . . . . . . . . . . . . . . . . . .  8
     5.2.  SRLG Update  . . . . . . . . . . . . . . . . . . . . . . . 10
     5.3  Domain Boundaries . . . . . . . . . . . . . . . . . . . . . 10
     5.4.  Compatibility  . . . . . . . . . . . . . . . . . . . . . . 10
   6.  Manageability Considerations . . . . . . . . . . . . . . . . . 10
     6.1.  Policy Configuration . . . . . . . . . . . . . . . . . . . 11
     6.2.  Coherent SRLG IDs  . . . . . . . . . . . . . . . . . . . . 11
   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . 11
   8.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 11
     8.1.  RSVP Attribute Bit Flags . . . . . . . . . . . . . . . . . 11
     8.2.  ROUTE_RECORD Object  . . . . . . . . . . . . . . . . . . . 12
     8.3.  Policy Control Failure Error subcodes  . . . . . . . . . . 12
   9.  Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 12
   10.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . 13
   11.  References  . . . . . . . . . . . . . . . . . . . . . . . . . 13
     11.1.  Normative References  . . . . . . . . . . . . . . . . . . 13
     11.2.  Informative References  . . . . . . . . . . . . . . . . . 13
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 14
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