Updates to the IPv6 Multicast Addressing Architecture
RFC 7371
Internet Engineering Task Force (IETF) M. Boucadair
Request for Comments: 7371 France Telecom
Updates: 3306, 3956, 4291 S. Venaas
Category: Standards Track Cisco
ISSN: 2070-1721 September 2014
Updates to the IPv6 Multicast Addressing Architecture
Abstract
This document updates the IPv6 multicast addressing architecture by
redefining the reserved bits as generic flag bits. The document also
provides some clarifications related to the use of these flag bits.
This document updates RFCs 3956, 3306, and 4291.
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Further information on
Internet Standards is available in Section 2 of RFC 5741.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/rfc7371.
Boucadair & Venaas Standards Track [Page 1]
RFC 7371 Multicast Flag Bits September 2014
Copyright Notice
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Table of Contents
1. Introduction ....................................................3
1.1. Requirements Language ......................................3
2. Addressing Architecture Update ..................................3
3. Flag Bits: New Processing Rules .................................4
4. RFC Updates .....................................................4
4.1. Updates to RFC 3306 ........................................4
4.1.1. Update #1 ...........................................4
4.1.2. Update #2 ...........................................6
4.2. Updates to RFC 3956 ........................................6
4.2.1. Update #1 ...........................................6
4.2.2. Update #2 ...........................................7
4.2.3. Update #3 ...........................................8
4.2.4. Update #4 ...........................................9
5. Security Considerations .........................................9
6. Acknowledgements ................................................9
7. References ......................................................9
7.1. Normative References .......................................9
7.2. Informative References ....................................10
Boucadair & Venaas Standards Track [Page 2]
RFC 7371 Multicast Flag Bits September 2014
1. Introduction
This document updates the IPv6 addressing architecture [RFC4291] by
redefining reserved bits as generic flag bits (Section 2). The
document also provides some clarifications related to the use of
these flag bits (Section 3).
This document updates [RFC3956], [RFC3306], and [RFC4291]. These
updates are logical consequences of the new processing rules in
Section 3.
Textual representation of IPv6 addresses included in the RFC updates
follows the recommendation in [RFC5952].
1.1. Requirements Language
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
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