A Method for Generating Link-Scoped IPv6 Multicast Addresses
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From: The IESG
To: IETF-Announce Cc: Internet Architecture Board , RFC Editor Subject: Protocol Action: 'A Method for Generating Link Scoped IPv6 Multicast Addresses' to Proposed Standard The IESG has approved the following document: - 'A Method for Generating Link Scoped IPv6 Multicast Addresses ' as a Proposed Standard This document is the product of the IP Version 6 Working Group. The IESG contact persons are Margaret Wasserman and Mark Townsley. A URL of this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-ipv6-link-scoped-mcast-10.txt
Technical Summary This document specifies an extension to the multicast addressing architecture of the IPv6 protocol. The extension allows for the use of Interface Identifiers (IIDs) to allocate multicast addresses. When a link-local unicast address is configured at each interface of a node, an IID is uniquely determined. After that, each node can generate their unique multicast addresses automatically without conflicts. Basically, this document proposes an alternative method for creating link-local multicast addresses over a known method like unicast-prefix-based IPv6 multicast addresses. It is preferred to use this method for link-local scope rather than unicast- prefix-based IPv6 multicast addresses. This memo update RFC3306. Working Group Summary This document was produced by the IPv6 WG. Protocol Quality This document was reviewed for the IESG by Margaret Wasserman.