Subject: I-D ACTION:draft-oneill-mip-parallel-00.txt

From: [email-masked]
Date: Fri, 10 May 2002 07:35:05 -0400

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

	Title		: Parallel MIP for Aggregated Mobility Management
	Author(s)	: A. O'Neill
	Filename	: draft-oneill-mip-parallel-00.txt
	Pages		: 7
	Date		: 09-May-02
	
Nested MIP [NestMIP] provides a means to support both localization and 
aggregation of MIP signalling. It achieves this by providing two distinct layers of MIP signalling and forwarding; a local access layer that provides local mobility management and local access services, and a remote access layer that provides remote access back to a home subnet. Nested MIP and an associated proposal, Concatenated MIP [ConcatMIP] are necessary because existing MIP signalling is HA/HoA specific and therefore not easily amenable to aggregation for supporting multiple MIP sessions per MN. 
This document describes an alternative proposal for introducing aggregation that has significantly lower functionality but that is a smaller change from existing MIP standards and implementations. It is described here for completeness as part of the overall problem space. The solution uses a single HA/HoA specific MIP Registration as a master signal within which is carried an extension that defines  an include/exclude list of the other HA/HoA pairs that should/should not be handed off. This extension can be carried in inter-FA hand-off signals and in regional registrations, and is also used within Nested/Concat MIP.

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