draft-ietf-idr-bgp-optimal-route-reflection-00.txt   draft-ietf-idr-bgp-optimal-route-reflection-01.txt 
IDR Working Group R. Raszuk IDR Working Group R. Raszuk
Internet-Draft C. Cassar Internet-Draft NTT MCL
Intended status: Standards Track Cisco Systems Intended status: Standards Track C. Cassar
Expires: December 4, 2011 E. Aman Expires: March 18, 2012 Cisco Systems
E. Aman
TeliaSonera TeliaSonera
B. Decraene B. Decraene
France Telecom France Telecom
June 2, 2011 September 15, 2011
BGP Optimal Route Reflection (BGP-ORR) BGP Optimal Route Reflection (BGP-ORR)
draft-ietf-idr-bgp-optimal-route-reflection-00 draft-ietf-idr-bgp-optimal-route-reflection-01
Abstract Abstract
[RFC4456] asserts that, because the Interior Gateway Protocol (IGP) [RFC4456] asserts that, because the Interior Gateway Protocol (IGP)
cost to a given point in the network will vary across routers, "the cost to a given point in the network will vary across routers, "the
route reflection approach may not yield the same route selection route reflection approach may not yield the same route selection
result as that of the full IBGP mesh approach." One practical result as that of the full IBGP mesh approach." One practical
implication of this assertion is that the deployment of route implication of this assertion is that the deployment of route
reflection may thwart the ability to achieve hot potato routing. Hot reflection may thwart the ability to achieve hot potato routing. Hot
potato routing attempts to direct traffic to the closest AS egress potato routing attempts to direct traffic to the closest AS egress
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on December 4, 2011. This Internet-Draft will expire on March 18, 2012.
Copyright Notice Copyright Notice
Copyright (c) 2011 IETF Trust and the persons identified as the Copyright (c) 2011 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
skipping to change at page 18, line 26 skipping to change at page 18, line 26
Communities Attribute", RFC 4360, February 2006. Communities Attribute", RFC 4360, February 2006.
[RFC5492] Scudder, J. and R. Chandra, "Capabilities Advertisement [RFC5492] Scudder, J. and R. Chandra, "Capabilities Advertisement
with BGP-4", RFC 5492, February 2009. with BGP-4", RFC 5492, February 2009.
9.2. Informative References 9.2. Informative References
[I-D.ietf-grow-diverse-bgp-path-dist] [I-D.ietf-grow-diverse-bgp-path-dist]
Raszuk, R., Fernando, R., Patel, K., McPherson, D., and K. Raszuk, R., Fernando, R., Patel, K., McPherson, D., and K.
Kumaki, "Distribution of diverse BGP paths.", Kumaki, "Distribution of diverse BGP paths.",
draft-ietf-grow-diverse-bgp-path-dist-03 (work in draft-ietf-grow-diverse-bgp-path-dist-04 (work in
progress), January 2011. progress), June 2011.
[I-D.ietf-idr-add-paths] [I-D.ietf-idr-add-paths]
Walton, D., Retana, A., Chen, E., and J. Scudder, Walton, D., Chen, E., Retana, A., and J. Scudder,
"Advertisement of Multiple Paths in BGP", "Advertisement of Multiple Paths in BGP",
draft-ietf-idr-add-paths-04 (work in progress), draft-ietf-idr-add-paths-05 (work in progress), July 2011.
August 2010.
[RFC1997] Chandrasekeran, R., Traina, P., and T. Li, "BGP [RFC1997] Chandrasekeran, R., Traina, P., and T. Li, "BGP
Communities Attribute", RFC 1997, August 1996. Communities Attribute", RFC 1997, August 1996.
[RFC1998] Chen, E. and T. Bates, "An Application of the BGP [RFC1998] Chen, E. and T. Bates, "An Application of the BGP
Community Attribute in Multi-home Routing", RFC 1998, Community Attribute in Multi-home Routing", RFC 1998,
August 1996. August 1996.
[RFC4384] Meyer, D., "BGP Communities for Data Collection", BCP 114, [RFC4384] Meyer, D., "BGP Communities for Data Collection", BCP 114,
RFC 4384, February 2006. RFC 4384, February 2006.
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[RFC5668] Rekhter, Y., Sangli, S., and D. Tappan, "4-Octet AS [RFC5668] Rekhter, Y., Sangli, S., and D. Tappan, "4-Octet AS
Specific BGP Extended Community", RFC 5668, October 2009. Specific BGP Extended Community", RFC 5668, October 2009.
[RFC5714] Shand, M. and S. Bryant, "IP Fast Reroute Framework", [RFC5714] Shand, M. and S. Bryant, "IP Fast Reroute Framework",
RFC 5714, January 2010. RFC 5714, January 2010.
Authors' Addresses Authors' Addresses
Robert Raszuk Robert Raszuk
Cisco Systems NTT MCL
170 West Tasman Drive 101 S Ellsworth Avenue Suite 350
San Jose, CA 95134 San Mateo, CA 94401
US US
Email: raszuk@cisco.com Email: robert@raszuk.net
Christian Cassar Christian Cassar
Cisco Systems Cisco Systems
10 New Square Park 10 New Square Park
Bedfont Lakes, FELTHAM TW14 8HA Bedfont Lakes, FELTHAM TW14 8HA
UK UK
Email: ccassar@cisco.com Email: ccassar@cisco.com
Erik Aman Erik Aman
 End of changes. 9 change blocks. 
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