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Transparent Interconnection of Lots of Links (TRILL): Bidirectional Forwarding Detection (BFD) Support (RFC7175)

IP.com Disclosure Number: IPCOM000236665D
Publication Date: 2014-May-08
Document File: 24 page(s) / 25K

Publishing Venue

The IP.com Prior Art Database

Related People

V. Manral: AUTHOR [+4]

Abstract

Faster convergence is a critical feature of Transparent Interconnection of Lots of Links (TRILL) [RFC6325] networks. The TRILL IS-IS Hellos [RFC7177] [IS-IS] used between RBridges provide a basic neighbor and continuity check for TRILL links. However, failure detection by non-receipt of such Hellos is based on the Holding Time parameter that is commonly set to a value of tens of seconds and, in any case, has a minimum expressible value of one second.

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Internet Engineering Task Force (IETF)                         V. Manral Request for Comments: 7175                                   Ionos Corp. Category: Standards Track                                D. Eastlake 3rd ISSN: 2070-1721                                           Huawei R&D USA                                                                  D. Ward                                                            Cisco Systems                                                              A. Banerjee                                                         Cumulus Networks                                                                 May 2014

          Transparent Interconnection of Lots of Links (TRILL):             Bidirectional Forwarding Detection (BFD) Support

Abstract

   This document specifies use of the Bidirectional Forwarding Detection    (BFD) protocol in Routing Bridge (RBridge) campuses based on the    RBridge Channel extension to the Transparent Interconnection of Lots    of Links (TRILL) protocol.

   BFD is a widely deployed Operations, Administration, and Maintenance    (OAM) mechanism in IP and MPLS networks, using UDP and Associated    Channel Header (ACH) encapsulation respectively.  This document    specifies the BFD encapsulation over TRILL.

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/rfc7175.

 Manral, et al.               Standards Track                    [Page 1]
 RFC 7175                    TRILL BFD Support                   May 2014

 Copyright Notice

   Copyright (c) 2014 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...