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Problem Statement and Goals for Active-Active Connection at the Transparent Interconnection of Lots of Links (TRILL) Edge (RFC7379)

IP.com Disclosure Number: IPCOM000239157D
Original Publication Date: 2014-Oct-01
Included in the Prior Art Database: 2014-Oct-17
Document File: 26 page(s) / 27K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

Y. Li: AUTHOR [+5]


The IETF TRILL (Transparent Interconnection of Lots of Links) [RFC6325] protocol provides loop-free and per-hop-based multipath data forwarding with minimum configuration. TRILL uses IS-IS [IS-IS] [RFC6165] [RFC7176] as its control-plane routing protocol and defines a TRILL-specific header for user data. In a TRILL campus, communications between TRILL switches can:

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Internet Engineering Task Force (IETF)                             Y. Li Request for Comments: 7379                                        W. Hao Category: Informational                              Huawei Technologies ISSN: 2070-1721                                               R. Perlman                                                                      EMC                                                                J. Hudson                                                                  Brocade                                                                  H. Zhai                                                                      JIT                                                             October 2014

     Problem Statement and Goals for Active-Active Connection at the        Transparent Interconnection of Lots of Links (TRILL) Edge


   The IETF TRILL (Transparent Interconnection of Lots of Links)    protocol provides support for flow-level multipathing with rapid    failover for both unicast and multi-destination traffic in networks    with arbitrary topology.  Active-active connection at the TRILL edge    is the extension of these characteristics to end stations that are    multiply connected to a TRILL campus.  This informational document    discusses the high-level problems and goals when providing active-    active connection at the TRILL edge.

Status of This Memo

   This document is not an Internet Standards Track specification; it is    published for informational purposes.

   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).  Not all documents    approved by the IESG are a candidate for any level of Internet    Standard; see 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/rfc7379.

 Li, et al.                    Informational                     [Page 1]
 RFC 7379          Problems of Active-Active Connection      October 2014

 Copyright Notice

   Copyright (c) 2014 IETF Trust and the persons identified as the    document aut...