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PCEP extensions for GMPLS
draft-ietf-pce-gmpls-pcep-extensions-10

Document type: Active Internet-Draft (pce WG)
Document stream: IETF
Last updated: 2014-10-08
Intended RFC status: Unknown
Other versions: plain text, pdf, html

IETF State: WG Consensus: Waiting for Write-Up Sep 2013
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IESG State: I-D Exists
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Network Working Group                                   C. Margaria, Ed.
Internet-Draft
Intended status: Standards Track                O. Gonzalez de Dios, Ed.
Expires: April 9, 2015             Telefonica Investigacion y Desarrollo
                                                           F. Zhang, Ed.
                                                     Huawei Technologies
                                                        October 06, 2014

                       PCEP extensions for GMPLS
                draft-ietf-pce-gmpls-pcep-extensions-10

Abstract

   This memo provides extensions for the Path Computation Element
   communication Protocol (PCEP) for the support of GMPLS control plane.

Status of This Memo

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

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   This Internet-Draft will expire on April 9, 2015.

Copyright Notice

   Copyright (c) 2014 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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Margaria, et al.          Expires April 9, 2015                 [Page 1]
Internet-Draft             PCEP Ext for GMPLS               October 2014

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Contributing Authors  . . . . . . . . . . . . . . . . . .   3
     1.2.  PCEP requirements for GMPLS . . . . . . . . . . . . . . .   3
     1.3.  Current GMPLS support and limitation of existing PCEP
           objects . . . . . . . . . . . . . . . . . . . . . . . . .   4
     1.4.  Requirements Language . . . . . . . . . . . . . . . . . .   5
   2.  PCEP objects and extensions . . . . . . . . . . . . . . . . .   6
     2.1.  GMPLS capability advertisement  . . . . . . . . . . . . .   6
       2.1.1.  GMPLS Computation TLV in the Existing PCE Discovery
               Protocol  . . . . . . . . . . . . . . . . . . . . . .   6
       2.1.2.  OPEN Object extension GMPLS-CAPABILITY TLV  . . . . .   6
     2.2.  RP object extension . . . . . . . . . . . . . . . . . . .   7
     2.3.  BANDWIDTH object extensions . . . . . . . . . . . . . . .   7
     2.4.  LOAD-BALANCING object extensions  . . . . . . . . . . . .   9
     2.5.  END-POINTS Object extensions  . . . . . . . . . . . . . .  12
       2.5.1.  Generalized Endpoint Object Type  . . . . . . . . . .  13
       2.5.2.  END-POINTS TLVs extensions  . . . . . . . . . . . . .  16
     2.6.  IRO extension . . . . . . . . . . . . . . . . . . . . . .  19
     2.7.  XRO extension . . . . . . . . . . . . . . . . . . . . . .  20
     2.8.  LSPA extensions . . . . . . . . . . . . . . . . . . . . .  21
     2.9.  NO-PATH Object Extension  . . . . . . . . . . . . . . . .  22
       2.9.1.  Extensions to NO-PATH-VECTOR TLV  . . . . . . . . . .  22
   3.  Additional Error Type and Error Values Defined  . . . . . . .  23
   4.  Manageability Considerations  . . . . . . . . . . . . . . . .  24
     4.1.  Control of Function through Configuration and Policy  . .  25
     4.2.  Information and Data Models . . . . . . . . . . . . . . .  25
     4.3.  Liveness Detection and Monitoring . . . . . . . . . . . .  25
     4.4.  Verifying Correct Operation . . . . . . . . . . . . . . .  25
     4.5.  Requirements on Other Protocols and Functional Components  26
     4.6.  Impact on Network Operation . . . . . . . . . . . . . . .  26
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  26
     5.1.  PCEP Objects  . . . . . . . . . . . . . . . . . . . . . .  26
     5.2.  END-POINTS object, Object Type Generalized Endpoint . . .  27
     5.3.  New PCEP TLVs . . . . . . . . . . . . . . . . . . . . . .  28
     5.4.  RP Object Flag Field  . . . . . . . . . . . . . . . . . .  29
     5.5.  New PCEP Error Codes  . . . . . . . . . . . . . . . . . .  29

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