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I-D ACTION:draft-ietf-mobileip-reg-tunnel-08.txt



A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Authentication, Authorization and Accounting Working Group of the IETF.

	Title		: Mobile IPv4 Regional Registration
	Author(s)	: P. Calhoun, G. Montenegro, C. Perkins
	Filename	: draft-ietf-mobileip-reg-tunnel-08.txt
	Pages		: 41
	Date		: 2003-11-20
	
Using Mobile IP, a mobile node registers with its home agent each
time it changes care-of address.  If the distance between the
visited network and the home network of the mobile node is large, the
signaling delay for these registrations may be long.  This document
describes a new kind of `regional' registrations, i.e.  registrations
local to the visited domain.  The regional signaling is performed via
a new network entity called a Gateway Foreign Agent and introduces
a layer of hierarchy in the visited domain.  Regional registrations
reduce the number of signaling messages to the home network, and
reduce the signaling delay when a mobile node moves from one foreign
agent to another within the same visited domain.  This document is an
optional extension to the Mobile IPv4 protocol.

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