RFC 3213 (rfc3213) - Page 1 of 7

Applicability Statement for CR-LDP

Alternative Format: Original Text Document
Next >
Network Working Group                                             J. Ash
Request for Comments: 3213                                          AT&T
Category: Informational                                        M. Girish
                                                           Atoga Systems
                                                                 E. Gray
                                                               Sandburst
                                                             B. Jamoussi
                                                               G. Wright
                                                   Nortel Networks Corp.
                                                            January 2002


                   Applicability Statement for CR-LDP

Status of this Memo

   This memo provides information for the Internet community.  It does
   not specify an Internet standard of any kind.  Distribution of this
   memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2002).  All Rights Reserved.

Abstract

   This document discusses the applicability of Constraint-Based LSP
   Setup using LDP.  It discusses possible network applications,
   extensions to Label Distribution Protocol (LDP) required to implement
   constraint-based routing, guidelines for deployment and known
   limitations of the protocol.  This document is a prerequisite to
   advancing CR-LDP on the standards track.

1. Introduction

   As the Internet evolves, additional capabilities are required to
   ensure proper treatment of data [3], voice, video and other delay
   sensitive traffic [4].  MPLS enhances source routing and allows for
   certain techniques, used in circuit switching, in IP networks.  This
   permits a scalable approach to handling these diverse transmission
   requirements.  CR-LDP [1] is a simple, scalable, open, non-
   proprietary, traffic engineering signaling protocol for MPLS IP
   networks.

   CR-LDP provides mechanisms for establishing explicitly routed Label
   Switched Paths (LSPs).  These mechanisms are defined as extensions to
   LDP [2].  Because LDP is a peer-to-peer protocol based on the




Ash, et al                   Informational
Next >