Export BGP community information in IP Flow Information Export (IPFIX)
draft-li-opsawg-ipfix-bgp-community-00

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Document Type Active Internet-Draft (individual)
Last updated 2016-07-06
Replaced by draft-ietf-opsawg-ipfix-bgp-community, rfc8549
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opsawg                                                        Z. Li, Ed.
Internet-Draft                                                R. Gu, Ed.
Intended status: Standards Track                            China Mobile
Expires: January 7, 2017                                         J. Dong
                                                     Huawei Technologies
                                                            July 6, 2016

 Export BGP community information in IP Flow Information Export (IPFIX)
                 draft-li-opsawg-ipfix-bgp-community-00

Abstract

   This draft specifies an extension to the IPFIX information model
   defined in [RFC7012] to export the BGP community information.  Two
   information elements, bgpSourceCommunityList and
   bgpDestinationCommunityList, are introduced in this document to carry
   the community information for the source IP and destination IP
   respectively.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on January 7, 2017.

Copyright Notice

   Copyright (c) 2016 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
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   (http://trustee.ietf.org/license-info) in effect on the date of
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   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must

Li, et al.               Expires January 7, 2017                [Page 1]
Internet-Draft       Export BGP Communicty in IPFIX            July 2016

   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  BGP Community Information Elements  . . . . . . . . . . . . .   3
     3.1.  bgpSourceCommunityList  . . . . . . . . . . . . . . . . .   3
     3.2.  bgpDestinationCommunityList . . . . . . . . . . . . . . .   4
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .   4
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   4
   6.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   5
     6.1.  Normative References  . . . . . . . . . . . . . . . . . .   5
     6.2.  Informative References  . . . . . . . . . . . . . . . . .   5
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   6

1.  Introduction

   IP Flow Information Export (IPFIX) [RFC7011] provides network
   administrators with traffic flow information using the information
   elements (IEs) defined in [IANA-IPFIX] registries.  Based on the
   traffic flow information, network administrators know the amount and
   direction of the traffic in their network, then they can optimize
   their network when needed.  For example, they can steer some flows
   from the congested links to the low utilised links.

   [IANA-IPFIX]has already defined the following IEs for traffic flow
   information exporting in different grain: sourceIPv4Address,
   sourceIPv4Prefix, destinationIPv4Address, destinationIPv4Prefix,
   bgpSourceAsNumber, bgpDestinationAsNumber, bgpNextHopIPv4Address,
   etc.  In some circumstances, however, especially when traffic
   engineering and optimazation are used on the Tier 1 or Tier 2
   operators' backbone networks, traffic flow information based on these
   IEs is not suitable.  Flow information based on IP address or IP
   prefix is much more mediculous.  On the contrary, flow information
   based on AS number is too coarse.  BGP community [RFC1997], which
   describes a group of routes sharing some common properties, is
   preferablely used for fine granularity traffic engineering
   [Community-TE] [RFC4384].  Unfortunately, [IANA-IPFIX] has no IE
   defined for BGP community information, yet.

   Flow information based on BGP community can be collected by a
   mediator defined in [RFC6183].  Mediator is responsible for the
   correlation between flow information and BGP community.  However no
   IEs is defined in [RFC6183] for exporting BGP community information
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