< draft-ietf-6man-multicast-addr-arch-update-03.txt		draft-ietf-6man-multicast-addr-arch-update-04.txt >
	6man Working Group M. Boucadair		6man Working Group M. Boucadair
	Internet-Draft France Telecom		Internet-Draft France Telecom
	Updates: 3306,3956,4291 (if approved) S. Venaas		Updates: 3306,3956,4291 (if approved) S. Venaas
	Intended status: Standards Track Cisco		Intended status: Standards Track Cisco
	Expires: August 17, 2014 February 13, 2014		Expires: September 13, 2014 March 12, 2014
	Updates to the IPv6 Multicast Addressing Architecture		Updates to the IPv6 Multicast Addressing Architecture
	draft-ietf-6man-multicast-addr-arch-update-03		draft-ietf-6man-multicast-addr-arch-update-04
	Abstract		Abstract
	This document updates the IPv6 multicast addressing architecture by		This document updates the IPv6 multicast addressing architecture by
	defining the 17-20 reserved bits as generic flag bits. The document		defining the 17-20 reserved bits as generic flag bits. The document
	provides also some clarifications related to the use of these flag		provides also some clarifications related to the use of these flag
	bits.		bits.
	This document updates RFC 3956, RFC 3306 and RFC 4291.		This document updates RFC 3956, RFC 3306 and RFC 4291.
	skipping to change at page 1, line 42 ¶		skipping to change at page 1, line 42 ¶
	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 August 17, 2014.		This Internet-Draft will expire on September 13, 2014.
	Copyright Notice		Copyright Notice
	Copyright (c) 2014 IETF Trust and the persons identified as the		Copyright (c) 2014 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 7, line 39 ¶		skipping to change at page 7, line 39 ¶
	| 8 | 4 | 4 | 4 | 4 | 8 | 64 | 32 |		| 8 | 4 | 4 | 4 | 4 | 8 | 64 | 32 |
	+--------+----+----+----+----+----+----------------+----------+		+--------+----+----+----+----+----+----------------+----------+
	|11111111|ff1 |scop|ff2 |RIID|plen| network prefix | group ID |		|11111111|ff1 |scop|ff2 |RIID|plen| network prefix | group ID |
	+--------+----+----+----+----+----+----------------+----------+		+--------+----+----+----+----+----+----------------+----------+
	+-+-+-+-+		+-+-+-+-+
	ff1 is a set of four flags: |X|R|P|T|		ff1 is a set of four flags: |X|R|P|T|
	+-+-+-+-+		+-+-+-+-+
	X may be set to 0 or 1.		X may be set to 0 or 1.
	R = 1 indicates a multicast address that embeds the address of the RP.		R = 1 indicates a multicast address that embeds the address of the
	P MUST be set to 1, and consequently T MUST be set to 1, according		RP. P MUST be set to 1, and consequently T MUST be set to 1,
	to [RFC3306], as this is a special case of		according to [RFC3306], as this is a special case of unicast-prefix
	unicast-prefix based addresses. This implies that for instance prefixes		based addresses. This implies that for instance prefixes ff70::/12
	ff70::/12 and fff0::/12 are embedded RP prefixes.		and fff0::/12 are embedded RP prefixes. The behavior is unspecified
	The behavior is unspecified if P or T is not set to 1. When the		if P or T is not set to 1. When the R-bit is set, the last 4 bits of
	R-bit is set, the last 4 bits of the previously reserved field are		the field that were reserved in [RFC3306] are interpreted as
	interpreted as embedding the RP interface ID, as specified in this memo.		embedding the RP interface ID, as specified in this memo.
	This document changes Section 4 of [RFC3956] as follows:		This document changes Section 4 of [RFC3956] as follows:
	OLD:		OLD:
	It MUST be a multicast address with "flgs" set to 0111, that is,		It MUST be a multicast address with "flgs" set to 0111, that is,
	to be of the prefix FF70::/12,		to be of the prefix FF70::/12,
	NEW:		NEW:
End of changes. 4 change blocks.
	11 lines changed or deleted		11 lines changed or added
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