Softwire Mesh Multicast

Document Type Replaced Internet-Draft (individual)
Last updated 2011-07-09
Replaced by draft-ietf-softwire-mesh-multicast
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IESG IESG state Replaced by draft-ietf-softwire-mesh-multicast
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


The Internet needs support IPv4 and IPv6 packets. Both address families and their attendant protocol suites support multicast of the single-source and any-source varieties. As part of the transition to IPv6, there will be scenarios where a backbone network running one IP address family internally (referred to as internal IP or I-IP) will provide transit services to attached client networks running another IP address family (referred to as external IP or E-IP). It is expected that the I-IP backbone will offer unicast and multicast transit services to the client E-IP networks. Softwires Mesh is a solution for supporting E-IP unicast and multicast across an I-IP backbone. This document describes the mechanisms for supporting Internet-style multicast across a set of E-IP and I-IP networks supporting softwires mesh.


Mingwei Xu (
Yong Cui (
Shu Yang (
Chris Metz (
Greg Shepherd (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)