I-D ACTION:draft-wu-softwire-mesh-framework-02.txt

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	Title		: Softwire Mesh Framework
	Author(s)	: J. Wu, et al.
	Filename	: draft-wu-softwire-mesh-framework-02.txt
	Pages		: 25
	Date		: 2007-3-1

The Internet needs to be able to handle both IPv4 and IPv6 packets.
   However, it is expected that some constituent networks of the
   Internet will be "single protocol" networks.  One kind of single
   protocol network can parse only IPv4 packets and can process only
   IPv4 routing information; another kind can parse only IPv6 packets
   and can process only IPv6 routing information.  It is nevertheless
   required that either kind of single protocol network be able to
   provide transit service for the "other" protocol.  This is done by
   passing the "other kind" of routing information from one edge of the
   single protocol network to the other, and by tunneling the "other
   kind" of data packet from one edge to the other.  The tunnels are
   known as "Softwires".  This framework document explains how the
   routing information and the data packets of one protocol are passed
   through a single protocol network of the other protocol.  The
   document is careful to specify when this can be done with existing
   technology, and when it requires the development of new or modified
   technology.

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