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Transparent Interconnection of Lots of Links (TRILL): End Station Address Distribution Information (ESADI) Protocol (RFC7357)

IP.com Disclosure Number: IPCOM000238529D
Original Publication Date: 2014-Sep-01
Included in the Prior Art Database: 2014-Sep-03
Document File: 62 page(s) / 72K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

H. Zhai: AUTHOR [+5]

Abstract

The TRILL (Transparent Interconnection of Lots of Links) protocol [RFC6325] provides least-cost pair-wise data forwarding without configuration in multi-hop networks with arbitrary topologies and link technologies, safe forwarding even during periods of temporary loops, and support for multipathing of both unicast and multicast traffic. TRILL accomplishes this with the IS-IS (Intermediate System to Intermediate System) [IS-IS] [RFC1195] [RFC7176] link-state routing protocol using a header with a hop count. The design supports optimization of the distribution of multi-destination frames and two types of data labeling: VLANs (Virtual Local Area Networks) [RFC6325] and FGLs (fine-grained labels) [RFC7172]. Devices that implement TRILL are called TRILL switches or RBridges (Routing Bridges).

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Internet Engineering Task Force (IETF)                           H. Zhai Request for Comments: 7357                                         F. Hu Updates: 6325                                                        ZTE Category: Standards Track                                     R. Perlman ISSN: 2070-1721                                               Intel Labs                                                          D. Eastlake 3rd                                                                   Huawei                                                                O. Stokes                                                         Extreme Networks                                                           September 2014

          Transparent Interconnection of Lots of Links (TRILL):      End Station Address Distribution Information (ESADI) Protocol

Abstract

   The IETF TRILL (Transparent Interconnection of Lots of Links)    protocol provides least-cost pair-wise data forwarding without    configuration in multi-hop networks with arbitrary topologies and    link technologies.  TRILL supports multipathing of both unicast and    multicast traffic.  Devices that implement the TRILL protocol are    called TRILL switches or RBridges (Routing Bridges).

   ESADI (End Station Address Distribution Information) is an optional    protocol by which a TRILL switch can communicate, in a Data Label    (VLAN or fine-grained label) scoped way, end station address and    reachability information to TRILL switches participating in ESADI for    the relevant Data Label.  This document updates RFC 6325,    specifically the documentation of the ESADI protocol, and is not    backwards compatible.

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/rfc7357.

 Zhai, et al.                 Standards Track                    [Page 1]
 RFC 7357     ...