Performance-based BGP Routing Mechanism
draft-ietf-idr-performance-routing-00

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Document Type Active Internet-Draft (idr WG)
Last updated 2015-01-07
Replaces draft-xu-idr-performce-routing
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Network Working Group                                              X. Xu
Internet-Draft                                                    Huawei
Intended status: Standards Track                            M. Boucadair
Expires: July 11, 2015                                      C. Jacquenet
                                                          France Telecom
                                                                   N. So
                                                           Vinci Systems
                                                                 Y. Shen
                                                                 Juniper
                                                             U. Chunduri
                                                                Ericsson
                                                                   H. Ni
                                                                  Huawei
                                                                  Y. Fan
                                                           China Telecom
                                                         January 7, 2015

                Performance-based BGP Routing Mechanism
                 draft-ietf-idr-performance-routing-00

Abstract

   The current BGP specification doesn't use network performance metrics
   (e.g., network latency) in the route selection decision process.
   This document describes a performance-based BGP routing mechanism in
   which network latency metric is taken as one of the route selection
   criteria.  This routing mechanism is useful for those server
   providers with global reach to deliver low-latency network
   connectivity services to their customers.

Status of This Memo

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

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   This Internet-Draft will expire on July 11, 2015.

Xu, et al.                Expires July 11, 2015                 [Page 1]
Internet-Draft                                              January 2015

Copyright Notice

   Copyright (c) 2015 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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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Performance Route Advertisement . . . . . . . . . . . . . . .   4
   4.  Capability Advertisement  . . . . . . . . . . . . . . . . . .   5
   5.  Performance Route Selection . . . . . . . . . . . . . . . . .   5
   6.  Deployment Considerations . . . . . . . . . . . . . . . . . .   6
   7.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   6
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   6
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .   7
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .   7
     10.1.  Normative References . . . . . . . . . . . . . . . . . .   7
     10.2.  Informative References . . . . . . . . . . . . . . . . .   7
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   8

1.  Introduction

   Network latency is widely recognized as one of major obstacles in
   migrating business applications to the cloud since cloud-based
   applications usually have very clearly defined and stringent network
   latency requirements.  Service providers with global reach aim at
   delivering low-latency network connectivity services to their cloud
   service customers as a competitive advantage.  Sometimes, the network
   connectivity may travel across more than one Autonomous System (AS)
   under their administration.  However, the BGP [RFC4271] which is used
   for path selection across ASes doesn't use network latency in the
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