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I-D ACTION:draft-ohta-e2e-multihoming-05.txt



A New Internet-Draft is available from the on-line Internet-Drafts directories.


	Title		: The Architecture of End to End Multihoming
	Author(s)	: M. Ohta
	Filename	: draft-ohta-e2e-multihoming-05.txt
	Pages		: 10
	Date		: 2003-7-2
	
This memo describes the architecture of end to end multihoming.  End
to end multihoming does not burden routing system for multihoming.
That is, even extensive use of end to end multihoming does not
increase the number of entries in a global routing table.
Traditionally with IPv4, multihoming capability is offered by an
intelligent routing system, which, as is always the case with
violating the end to end principle, lacks scalability on a global
routing table size and robustness against link failures.
On the other hand, with end to end multihoming, multihoming is
supported by transport (TCP) or application layer (UDP etc.) of end
systems and does not introduce any problem in the network and works
as long as there is some connectivity between the end systems.
Because end to end multihoming is performed in end systems, the
architecture needs no routing protocol changes Instead, APIs and
applications must be modified to some extent.

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