IPv4 Multicast over an IPv6 Multicast in Softwire Mesh Networks, September 2019
- File formats:
- PROPOSED STANDARD
- M. Xu
- softwire (int)
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During the transition to IPv6, there are scenarios where a backbone network internally running one IP address family (referred to as the internal IP or I-IP family) connects client networks running another IP address family (referred to as the external IP or E-IP family). In such cases, the I-IP backbone needs to offer both unicast and multicast transit services to the client E-IP networks.
This document describes a mechanism for supporting multicast across backbone networks where the I-IP and E-IP protocol families differ. The document focuses on the IPv4-over-IPv6 scenario, due to lack of real-world use cases for the IPv6-over-IPv4 scenario.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 8729.