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Generalized Multi-Protocol Label Switching (GMPLS) Signaling Constraint-based Routed Label Distribution Protocol (CR-LDP) Extensions (RFC3472)

IP.com Disclosure Number: IPCOM000011391D
Original Publication Date: 2003-Jan-01
Included in the Prior Art Database: 2003-Feb-18
Document File: 24 page(s) / 49K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

P. Ashwood-Smith: AUTHOR [+4]

Abstract

This document describes extensions to Multi-Protocol Label Switching (MPLS) Constraint-based Routed Label Distribution Protocol (CR-LDP) signaling required to support Generalized MPLS. Generalized MPLS extends the MPLS control plane to encompass time-division (e.g., Synchronous Optical Network and Synchronous Digital Hierarchy, SONET/SDH), wavelength (optical lambdas) and spatial switching (e.g., incoming port or fiber to outgoing port or fiber). This document presents a CR-LDP specific description of the extensions. A generic functional description can be found in separate documents.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 6% of the total text.

Network Working Group                           P. Ashwood-Smith, Editor

Request for Comments: 3472                               Nortel Networks

Category: Standards Track                              L. Berger, Editor

                                                          Movaz Networks

                                                            January 2003

     Generalized Multi-Protocol Label Switching (GMPLS) Signaling

Constraint-based Routed Label Distribution Protocol (CR-LDP) Extensions

Status of this Memo

   This document specifies an Internet standards track protocol for the

   Internet community, and requests discussion and suggestions for

   improvements.  Please refer to the current edition of the "Internet

   Official Protocol Standards" (STD 1) for the standardization state

   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2003).  All Rights Reserved.

Abstract

   This document describes extensions to Multi-Protocol Label Switching

   (MPLS) Constraint-based Routed Label Distribution Protocol (CR-LDP)

   signaling required to support Generalized MPLS.  Generalized MPLS

   extends the MPLS control plane to encompass time-division (e.g.,

   Synchronous Optical Network and Synchronous Digital Hierarchy,

   SONET/SDH), wavelength (optical lambdas) and spatial switching (e.g.,

   incoming port or fiber to outgoing port or fiber).  This document

   presents a CR-LDP specific description of the extensions.  A generic

   functional description can be found in separate documents.

Table of Contents

   1.  Introduction  ..............................................   2

   2.  Label Related Formats   ....................................   3

    2.1  Generalized Label Request  ...............................   3

    2.2  Generalized Label  .......................................   4

    2.3  Waveband Switching  ......................................   5

    2.4  Suggested Label  .........................................   6

    2.5  Label Set  ...............................................   6

   3.  Bidirectional LSPs  ........................................   8

    3.1  Procedures  ..............................................   8

   4.  Notification on Label Error  ...............................   9

   5.    Explicit Label Control  ..................................   9

    5.1  Procedures  ..............................................   9

Ashwood-Smith & Berger      Standards Track                     [Page 1]

RFC 3472          GMPLS Signaling - CR-LDP Extensions       January 2003

   6.  Protection TLV  ............................................  10

    6.1  Procedur...