draft-ietf-idr-bgp4-cap-neg-02.txt   draft-ietf-idr-bgp4-cap-neg-03.txt 
Network Working Group Ravi Chandra Network Working Group Ravi Chandra
Internet Draft Cisco Systems Internet Draft Cisco Systems
Expiration Date: February 1999 John G. Scudder Expiration Date: August 1999 John G. Scudder
Internet Engineering Group, LLC Internet Engineering Group, LLC
Capabilities Negotiation with BGP-4 Capabilities Negotiation with BGP-4
draft-ietf-idr-bgp4-cap-neg-02.txt draft-ietf-idr-bgp4-cap-neg-03.txt
1. Status of this Memo 1. Status of this Memo
This document is an Internet-Draft. Internet-Drafts are working This document is an Internet-Draft and is in full conformance with
documents of the Internet Engineering Task Force (IETF), its areas, all provisions of Section 10 of RFC2026 except that the right to
and its working groups. Note that other groups may also distribute produce derivative works is not granted.
working documents as Internet-Drafts.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that
other groups may also distribute working documents as Internet-
Drafts.
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.''
To view the entire list of current Internet-Drafts, please check the The list of current Internet-Drafts can be accessed at
"1id-abstracts.txt" listing contained in the Internet-Drafts Shadow http://www.ietf.org/ietf/1id-abstracts.txt
Directories on ftp.is.co.za (Africa), ftp.nordu.net (Northern
Europe), ftp.nis.garr.it (Southern Europe), munnari.oz.au (Pacific The list of Internet-Draft Shadow Directories can be accessed at
Rim), ftp.ietf.org (US East Coast), or ftp.isi.edu (US West Coast). http://www.ietf.org/shadow.html.
2. Abstract 2. Abstract
Currently BGP-4 [BGP-4] requires that when a BGP speaker receives an Currently BGP-4 [BGP-4] requires that when a BGP speaker receives an
OPEN message with one or more unrecognized Optional Parameters, the OPEN message with one or more unrecognized Optional Parameters, the
speaker must terminate BGP peering. This complicates introduction of speaker must terminate BGP peering. This complicates introduction of
new capabilities in BGP. new capabilities in BGP.
This document defines new Optional Parameter, called Capabilities, This document defines new Optional Parameter, called Capabilities,
that is expected to facilitate introduction of new capabilities in that is expected to facilitate introduction of new capabilities in
skipping to change at page 4, line 19 skipping to change at page 4, line 19
message lists the set of capabilities that cause the speaker to send message lists the set of capabilities that cause the speaker to send
the message. Each such capability is encoded the same way as it was the message. Each such capability is encoded the same way as it was
encoded in the received OPEN message. encoded in the received OPEN message.
6. Security Considerations 6. Security Considerations
This extension to BGP does not change the underlying security issues. This extension to BGP does not change the underlying security issues.
7. Acknowledgements 7. Acknowledgements
To be supplied. The authors would like to thank members of the IDR Working Group for
their review and comments.
8. References 8. References
[BGP-4] Rekhter, Y., and T. Li, "A Border Gateway Protocol 4 (BGP- [BGP-4] Rekhter, Y., and T. Li, "A Border Gateway Protocol 4 (BGP-
4)", RFC 1771, March 1995. 4)", RFC 1771, March 1995.
9. Author Information 9. Author Information
Ravi Chandra Ravi Chandra
Cisco Systems, Inc. Cisco Systems, Inc.
 End of changes. 

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