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Transparent Interconnection of Lots of Links (TRILL): Clarifications, Corrections, and Updates (RFC7180)

IP.com Disclosure Number: IPCOM000236670D
Publication Date: 2014-May-08
Document File: 48 page(s) / 56K

Publishing Venue

The IP.com Prior Art Database

Related People

D. Eastlake 3rd: AUTHOR [+5]

Abstract

The IETF Transparent Interconnection of Lots of Links (TRILL) protocol [RFC6325] provides optimal pair-wise data frame forwarding without configuration in multi-hop networks with arbitrary topology and link technology, safe forwarding even during periods of temporary loops, and support for multipathing of both unicast and multicast traffic. TRILL accomplishes this by using Intermediate System to Intermediate System (IS-IS) [IS-IS] [RFC1195] [RFC7176] link-state routing and encapsulating traffic using a header that includes a hop count. The design supports VLANs (Virtual Local Area Networks) and optimization of the distribution of multi-destination frames based on VLANs and IP derived multicast groups.

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Internet Engineering Task Force (IETF)                   D. Eastlake 3rd Request for Comments: 7180                                      M. Zhang Updates: 6325, 6327, 6439                                         Huawei Category: Standards Track                                    A. Ghanwani ISSN: 2070-1721                                                     Dell                                                                V. Manral                                                              Ionos Corp.                                                              A. Banerjee                                                         Cumulus Networks                                                                 May 2014

          Transparent Interconnection of Lots of Links (TRILL):                 Clarifications, Corrections, and Updates

Abstract

   The IETF Transparent Interconnection of Lots of Links (TRILL)    protocol provides least-cost pair-wise data forwarding without    configuration in multi-hop networks with arbitrary topology and link    technology, safe forwarding even during periods of temporary loops,    and support for multipathing of both unicast and multicast traffic.    TRILL accomplishes this by using Intermediate System to Intermediate    System (IS-IS) link-state routing and by encapsulating traffic using    a header that includes a hop count.  Since publication of the TRILL    base protocol in July 2011, active development of TRILL has revealed    errata in  RFC 6325 and some cases that could use clarifications or    updates.

   RFCs 6327 and 6439 provide clarifications and updates with respect to    adjacency and Appointed Forwarders.  This document provides other    known clarifications, corrections, and updates to RFCs 6325, 6327,    and 6439.

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/rfc7180.

 Eastlake, et al.      ...