I-D ACTION:draft-ietf-grow-bgp-graceful-shutdown-requirements-05.txt

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A New Internet-Draft is available from the on-line Internet-Drafts 
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This draft is a work item of the Global Routing Operations Working Group of the IETF.

	Title		: Requirements for the graceful shutdown of BGP sessions
	Author(s)	: T. Takeda, B. Decraene, P. Francois, c. pelsser, Z. Ahmad, A. Armengol
	Filename	: draft-ietf-grow-bgp-graceful-shutdown-requirements-05.txt
	Pages		: 17
	Date		: 2010-10-11
	
The Border Gateway Protocol(BGP) is heavily used in Service Provider 
   networks both for Internet and BGP/MPLS VPN services. For resiliency 
   purposes, redundant routers and BGP sessions can be deployed to 
   reduce the consequences of an AS Border Router or BGP session 
   breakdown on customers' or peers' traffic. However simply taking down 
   or even bringing up a BGP session for maintenance purposes may still 
   induce connectivity losses during the BGP convergence. This is not 
   satisfactory any more for new applications (e.g. voice over IP, on 
   line gaming, VPN). Therefore, a solution is required for the graceful 
   shutdown of a (set of) BGP session(s) in order to limit the amount of 
   traffic loss during a planned shutdown. This document expresses 
   requirements for such a solution.

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