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LDP Downstream-on-Demand in Seamless MPLS (RFC7032)

IP.com Disclosure Number: IPCOM000232325D
Original Publication Date: 2013-Oct-01
Included in the Prior Art Database: 2013-Nov-01
Document File: 70 page(s) / 76K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

T. Beckhaus: AUTHOR [+7]

Abstract

Seamless MPLS design [SEAMLESS-MPLS] enables a single IP/MPLS network to scale over core, metro, and access parts of a large packet network infrastructure using standardized IP/MPLS protocols. One of the key goals of Seamless MPLS is to meet requirements specific to access including high number of devices, device position in network topology, and compute and memory constraints that limit the amount of state access devices can hold.

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Internet Engineering Task Force (IETF)                  T. Beckhaus, Ed. Request for Comments: 7032                           Deutsche Telekom AG Category: Standards Track                                    B. Decraene ISSN: 2070-1721                                                   Orange                                                          K. Tiruveedhula                                                         Juniper Networks                                                  M. Konstantynowicz, Ed.                                                               L. Martini                                                      Cisco Systems, Inc.                                                             October 2013

                LDP Downstream-on-Demand in Seamless MPLS

Abstract

   Seamless MPLS design enables a single IP/MPLS network to scale over    core, metro, and access parts of a large packet network    infrastructure using standardized IP/MPLS protocols.  One of the key    goals of Seamless MPLS is to meet requirements specific to access    networks including high number of devices, device position in network    topology, and compute and memory constraints that limit the amount of    state access devices can hold.  This can be achieved with LDP    Downstream-on-Demand (DoD) label advertisement.  This document    describes LDP DoD use cases and lists required LDP DoD procedures in    the context of Seamless MPLS design.

   In addition, a new optional TLV type in the LDP Label Request message    is defined for fast-up convergence.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc7032.

 Beckhaus, et al.             Standards Track                    [Page 1]
 RFC 7032                         LDP DoD                    October 2013

 Copyright Notice

   Copyright (c) 2013 IETF Trust and the persons identifi...