Multi-Topology/Multi-Instance OSPFv3 for IPv4-Embedded IPv6

Document Type Expired Internet-Draft (individual)
Authors Mohamed Boucadair  , Christian Jacquenet  , Dean Cheng  , Yiu Lee 
Last updated 2010-02-11 (latest revision 2009-10-20)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This memo defines two new Multi Topology Routing Identifiers (MT IDs), based on [I-D.ietf-ospf-mt-ospfv3] and two new Instance Identifiers (MI IDs), based on [I-D.ietf-ospf-af-alt], respectively, in OSPFv3. With these identifiers, an IPv4-Embedded IPv6 topology is maintained for both IPv6 unicast and multicast traffic. The purpose of running separate instances or topologies for IPv4- Embedded IPv6 traffic is to distinguish from the native IPv6 routing topology, and the topology that is used for routing IPv4-Embedded IPv6 datagrams only. Separate instances/topologies are also meant to prevent any overload of the native IPv6 routing tables by IPv4-Embedded IPv6 routes.


Mohamed Boucadair (
Christian Jacquenet (
Dean Cheng (
Yiu Lee (

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