RFC 3036 (rfc3036) - Page 1 of 132


LDP Specification



Alternative Format: Original Text Document



Network Working Group                                        L. Andersson
Request for Comments: 3036                           Nortel Networks Inc.
Category: Standards Track                                       P. Doolan
                                                        Ennovate Networks
                                                               N. Feldman
                                                                 IBM Corp
                                                              A. Fredette
                                                            PhotonEx Corp
                                                                B. Thomas
                                                      Cisco Systems, Inc.
                                                             January 2001


                           LDP Specification

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 (2001).  All Rights Reserved.

Abstract

   The architecture for Multi Protocol Label Switching (MPLS) is
   described in RFC 3031.  A fundamental concept in MPLS is that two
   Label Switching Routers (LSRs) must agree on the meaning of the
   labels used to forward traffic between and through them.  This common
   understanding is achieved by using a set of procedures, called a
   label distribution protocol, by which one LSR informs another of
   label bindings it has made.  This document defines a set of such
   procedures called LDP (for Label Distribution Protocol) by which LSRs
   distribute labels to support MPLS forwarding along normally routed
   paths.












Andersson, et al.           Standards Track