draft-ietf-idr-bgp-gr-notification-09.txt   draft-ietf-idr-bgp-gr-notification-10.txt 
Internet Engineering Task Force K. Patel Internet Engineering Task Force K. Patel
Internet-Draft Arrcus Internet-Draft Arrcus
Intended status: Standards Track R. Fernando Intended status: Standards Track R. Fernando
Expires: June 13, 2017 Cisco Systems Expires: September 28, 2017 Cisco Systems
J. Scudder J. Scudder
J. Haas J. Haas
Juniper Networks Juniper Networks
December 10, 2016 March 27, 2017
Notification Message support for BGP Graceful Restart Notification Message support for BGP Graceful Restart
draft-ietf-idr-bgp-gr-notification-09.txt draft-ietf-idr-bgp-gr-notification-10.txt
Abstract Abstract
The current BGP Graceful Restart mechanism limits the usage of BGP The current BGP Graceful Restart mechanism limits the usage of BGP
Graceful Restart to BGP protocol messages other than a BGP Graceful Restart to BGP protocol messages other than a BGP
NOTIFICATION message. This document defines an extension to the BGP NOTIFICATION message. This document defines an extension to the BGP
Graceful Restart that permits the Graceful Restart procedures to be Graceful Restart that permits the Graceful Restart procedures to be
performed when the BGP speaker receives a BGP NOTIFICATION Message or performed when the BGP speaker receives a BGP NOTIFICATION Message or
the Hold Time expires. This document also defines a new BGP the Hold Time expires. This document also defines a new BGP
NOTIFICATION Cease Error subcode whose effect is to request a full NOTIFICATION Cease Error subcode whose effect is to request a full
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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 June 13, 2017. This Internet-Draft will expire on September 28, 2017.
Copyright Notice Copyright Notice
Copyright (c) 2016 IETF Trust and the persons identified as the Copyright (c) 2017 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
carefully, as they describe your rights and restrictions with respect carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
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5. Acknowledgements 5. Acknowledgements
The authors would like to thank Jim Uttaro for the suggestion, and The authors would like to thank Jim Uttaro for the suggestion, and
Emmanuel Baccelli, Bruno Decraene, Chris Hall, Paul Mattes and Robert Emmanuel Baccelli, Bruno Decraene, Chris Hall, Paul Mattes and Robert
Raszuk for their review and comments. Raszuk for their review and comments.
6. IANA Considerations 6. IANA Considerations
IANA is requested to assign a new subcode in the "BGP Cease IANA is requested to assign a new subcode in the "BGP Cease
NOTIFICATION message subcodes" registry. The suggested name for the NOTIFICATION message subcodes" registry. The suggested name for the
code point is "Hard Reset". The suggested value is 9. code point is "Hard Reset".
7. Security Considerations 7. Security Considerations
This extension to BGP does not change the underlying security issues This extension to BGP does not change the underlying security issues
inherent in the existing [RFC4724] and [RFC4271]. inherent in the existing [RFC4724] and [RFC4271].
8. Normative References 8. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, Requirement Levels", BCP 14, RFC 2119,
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