Name: draft-ietf-mip4-reg-tunnel-00
Title: Mobile IPv4 Regional Registration
State: Active
Authors: Eva Gustafsson
Group: Mobility for IPv4 (mip4)
Date: 2004-11-23
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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