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        Title           : Issues in Designing Mobile IPv6 Network Mobility  with
                          the MR-HA Bidirectional Tunnel (MRHA)
        Author(s)       : A. Petrescu et al.
        Filename        : draft-petrescu-nemo-mrha-00.txt
        Pages           : 27
        Date            : 2002-11-1
        
This document presents various issues related to designing a
network mobility solution with Mobile IPv6 and the MRHA
bidirectional tunnel.  Several scenarios are presented with the MR
at home and in a visited network, from which an argumentation is
made that all routing information is available in the HA (when BR
and HA are co-located) or can be communicated by ICMP Redirect
(when the BR and HA are separated).  This raises questions on when
does the adding of more information than the 'R' bit into the
Mobile IPv6 BUs is necessary.  Other generic issues with an MRHA
solution, like link-local addresses in Mobile IPv6, router
renumbering, or ND for the MR are presented.  Route Optimization
and security aspects are only briefly touched.

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