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OSPF Extensions to Advertise Seamless Bidirectional Forwarding Detection (S-BFD) Target Discriminators (RFC7884)

IP.com Disclosure Number: IPCOM000246901D
Original Publication Date: 2016-Jul-01
Included in the Prior Art Database: 2016-Jul-13
Document File: 14 page(s) / 14K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

C. Pignataro: AUTHOR [+4]


Seamless Bidirectional Forwarding Detection (S-BFD), specified in [RFC7880], is a simplified mechanism for using BFD with many negotiations eliminated. This is achieved by using 4-octet discriminators, unique within an administrative domain, to identify the network targets. These S-BFD Discriminators can be advertised by the IGPs, and this document concerns itself with OSPF. Specifically, this document defines a new TLV (named the S-BFD Discriminator TLV) to be carried within the OSPF Router Information (RI) Link State Advertisement (LSA) [RFC7770].

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Internet Engineering Task Force (IETF)                      C. Pignataro Request for Comments: 7884                                         Cisco Category: Standards Track                                      M. Bhatia ISSN: 2070-1721                                           Ionos Networks                                                                S. Aldrin                                                      Huawei Technologies                                                             T. Ranganath                                                                    Nokia                                                                July 2016

 OSPF Extensions to Advertise Seamless Bidirectional Forwarding Detection                      (S-BFD) Target Discriminators


   This document defines a new OSPF Router Information (RI) TLV that    allows OSPF routers to flood the Seamless Bidirectional Forwarding    Detection (S-BFD) Discriminator values associated with a target    network identifier.  This mechanism is applicable to both OSPFv2 and    OSPFv3.

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/rfc7884.

 Pignataro, et al.            Standards Track                    [Page 1]
 RFC 7884              S-BFD Discriminators in OSPF             July 2016

 Copyright Notice

   Copyright (c) 2016 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 must    include Simplified BSD License text as described in Section 4.e of    the T...