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BGP Large Communities Attribute (RFC8092)

IP.com Disclosure Number: IPCOM000249338D
Original Publication Date: 2017-Feb-01
Included in the Prior Art Database: 2017-Feb-17
Document File: 16 page(s) / 16K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

J. Heitz: AUTHOR [+7]

Abstract

BGP [RFC4271] implementations typically support a routing policy language to control the distribution of routing information. Network operators attach BGP communities to routes to associate particular properties with these routes. These properties may include information such as the route origin location, or specification of a routing policy action to be taken, or one that has been taken, and is applied to all routes contained in a BGP Update Message where the Communities Attribute is included. Because BGP communities are optional transitive BGP attributes, BGP communities may be acted upon or otherwise used by routing policies in other Autonomous Systems (ASes) on the Internet.

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Internet Engineering Task Force (IETF)                     J. Heitz, Ed. Request for Comments: 8092                                         Cisco Category: Standards Track                               J. Snijders, Ed. ISSN: 2070-1721                                                      NTT                                                                 K. Patel                                                                   Arrcus                                                              I. Bagdonas                                                                  Equinix                                                              N. Hilliard                                                                     INEX                                                            February 2017

                     BGP Large Communities Attribute

Abstract

   This document describes the BGP Large Communities attribute, an    extension to BGP-4.  This attribute provides a mechanism to signal    opaque information within separate namespaces to aid in routing    management.  The attribute is suitable for use with all Autonomous    System Numbers (ASNs) including four-octet ASNs.

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/rfc8092.

Heitz, et al.                Standards Track                    [Page 1]
 RFC 8092                  BGP Large Communities            February 2017

 Copyright Notice

   Copyright (c) 2017 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 rev...