draft-ietf-idr-bgp-extended-messages-08.txt		draft-ietf-idr-bgp-extended-messages-09.txt
	Network Working Group K. Patel		Network Working Group K. Patel
	Internet-Draft D. Ward		Internet-Draft D. Ward
	Intended status: Standards Track Cisco Systems		Intended status: Standards Track Cisco Systems
	Expires: January 22, 2015 R. Bush		Expires: July 14, 2015 R. Bush
	Internet Initiative Japan		Internet Initiative Japan
	July 21, 2014		January 10, 2015
	Extended Message support for BGP		Extended Message support for BGP
	draft-ietf-idr-bgp-extended-messages-08		draft-ietf-idr-bgp-extended-messages-09
	Abstract		Abstract
	The BGP specification mandates a maximum BGP message size of 4096		The BGP specification mandates a maximum BGP message size of 4096
	octets. As BGP is extended to support newer AFI/SAFIs, there is a		octets. As BGP is extended to support newer AFI/SAFIs, there is a
	need to extend the maximum message size beyond 4096 octets. This		need to extend the maximum message size beyond 4096 octets. This
	document updates [RFC4271] by providing an extension to BGP to extend		document updates [RFC4271] by providing an extension to BGP to extend
	its current message size from 4096 octets to 65535 octets.		its current message size from 4096 octets to 65535 octets.
	Requirements Language		Requirements Language
	skipping to change at page 1, line 44		skipping to change at page 1, line 44
	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 January 22, 2015.		This Internet-Draft will expire on July 14, 2015.
	Copyright Notice		Copyright Notice
	Copyright (c) 2014 IETF Trust and the persons identified as the		Copyright (c) 2015 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
	skipping to change at page 3, line 27		skipping to change at page 3, line 27
	defined with Capability code TBD and Capability length 0.		defined with Capability code TBD and Capability length 0.
	4. Operation		4. Operation
	A BGP speaker that is willing to send and receive BGP Extended		A BGP speaker that is willing to send and receive BGP Extended
	Messages from its peer should advertise the BGP Extended Message		Messages from its peer should advertise the BGP Extended Message
	Capability to its peer using BGP Capabilities Advertisement		Capability to its peer using BGP Capabilities Advertisement
	[RFC5492]. A BGP speaker may send extended messages to its peer only		[RFC5492]. A BGP speaker may send extended messages to its peer only
	if it has received the Extended Message Capability from its peer.		if it has received the Extended Message Capability from its peer.
			An implementation that supports the BGP Extended Messages MUST be
			prepared to receive an OPEN message that is larger than 4096 bytes.
	Applications generating messages which might be encapsulated within		Applications generating messages which might be encapsulated within
	BGP messages MUST limit the size of their payload to take into		BGP messages MUST limit the size of their payload to take into
	account the maximum message size and all encapsulation overheads on		account the maximum message size and all encapsulation overheads on
	the path the encapsulated data are expected to traverse.		the path the encapsulated data are expected to traverse.
	5. Acknowledgements		5. Acknowledgements
	The authors thank John Scudder, John Levine, and Job Snijders for		The authors thank Enke Chen, John Scudder, John Levine, and Job
	their input.		Snijders for their input.
	6. IANA Considerations		6. IANA Considerations
	The IANA is requested to register a new BGP Capability Code in the		The IANA is requested to register a new BGP Capability Code in the
	upper range named BGP Extended Message Capability referring to this		upper range named BGP Extended Message Capability referring to this
	document.		document.
	7. Security Considerations		7. Security Considerations
	This extension to BGP does not change BGP's underlying security		This extension to BGP does not change BGP's underlying security
End of changes. 7 change blocks.
	7 lines changed or deleted		10 lines changed or added
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