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RSVP-TE Extensions for Collecting Shared Risk Link Group (SRLG) Information (RFC8001)

IP.com Disclosure Number: IPCOM000248832D
Original Publication Date: 2017-Jan-01
Included in the Prior Art Database: 2017-Jan-16
Document File: 32 page(s) / 35K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

F. Zhang: AUTHOR [+7]


It is important to understand which Traffic Engineering (TE) links in a given network might be at risk from the same failures. In this sense, a set of links can constitute a Shared Risk Link Group (SRLG) if they share a resource whose failure can affect all links in the set [RFC4202].

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Internet Engineering Task Force (IETF)                     F. Zhang, Ed. Request for Comments: 8001                                        Huawei Category: Standards Track                       O. Gonzalez de Dios, Ed. ISSN: 2070-1721                                    Telefonica Global CTO                                                              C. Margaria                                                                  Juniper                                                               M. Hartley                                                                   Z. Ali                                                                    Cisco                                                             January 2017

                    RSVP-TE Extensions for Collecting                Shared Risk Link Group (SRLG) Information


   This document provides extensions for Resource Reservation Protocol -    Traffic Engineering (RSVP-TE), including GMPLS, to support automatic    collection of Shared Risk Link Group (SRLG) information for the TE    link formed by a Label Switched Path (LSP).

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 7841.

   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/rfc8001.

 Zhang, et al.                Standards Track                    [Page 1]
 RFC 8001             RSVP-TE Ext for Collecting SRLG        January 2017

 Copyright Notice

   Copyright (c) 2017 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    (http://trustee.ietf.org/license-info) in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document...