RFC 3564 (rfc3564) - Page 1 of 22


Requirements for Support of Differentiated Services-aware MPLS Traffic Engineering



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Network Working Group                                     F. Le Faucheur
Request for Comments: 3564                           Cisco Systems, Inc.
Category: Informational                                           W. Lai
                                                                    AT&T
                                                               July 2003


       Requirements for Support of Differentiated Services-aware
                     MPLS Traffic Engineering

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 (2003).  All Rights Reserved.

Abstract

   This document presents Service Provider requirements for support of
   Differentiated Services (Diff-Serv)-aware MPLS Traffic Engineering
   (DS-TE).

   Its objective is to provide guidance for the definition, selection
   and specification of a technical solution addressing these
   requirements.  Specification for this solution itself is outside the
   scope of this document.

   A problem statement is first provided.  Then, the document describes
   example applications scenarios identified by Service Providers where
   existing MPLS Traffic Engineering mechanisms fall short and
   Diff-Serv-aware Traffic Engineering can address the needs.  The
   detailed requirements that need to be addressed by the technical
   solution are also reviewed.  Finally, the document identifies the
   evaluation criteria that should be considered for selection and
   definition of the technical solution.












Le Faucheur & Lai            Informational


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