draft-ietf-idr-best-external-04.txt   draft-ietf-idr-best-external-05.txt 
Network Working Group P. Marques Network Working Group P. Marques
Internet-Draft Internet-Draft
Expires: October 22, 2011 R. Fernando Expires: July 6, 2012 R. Fernando
E. Chen E. Chen
P. Mohapatra P. Mohapatra
Cisco Systems Cisco Systems
H. Gredler H. Gredler
Juniper Networks Juniper Networks
April 20, 2011 January 3, 2012
Advertisement of the best external route in BGP Advertisement of the best external route in BGP
draft-ietf-idr-best-external-04 draft-ietf-idr-best-external-05
Abstract Abstract
The current BGP-4 protocol specification [RFC4271] states that the The current BGP-4 protocol specification [RFC4271] states that the
selection process chooses the best path for a given route which is selection process chooses the best path for a given route which is
added to the Loc-Rib and advertised to all peers. added to the Loc-Rib and advertised to all peers.
Previous versions [RFC1771] of the specification defined a different Previous versions [RFC1771] of the specification defined a different
rule for Internal BGP Updates. Given that Internal paths are not re- rule for Internal BGP Updates. Given that Internal paths are not re-
advertised to Internal peers, it was specified that the best of the advertised to Internal peers, it was specified that the best of the
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This Internet-Draft will expire on October 22, 2011. This Internet-Draft will expire on July 6, 2012.
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