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[multimob] Fast Handover Solutions

"Thomas C. Schmidt" <schmidt@informatik.haw-hamburg.de> Mon, 12 November 2012 22:29 UTC

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Date: Mon, 12 Nov 2012 23:28:54 +0100
From: "Thomas C. Schmidt" <schmidt@informatik.haw-hamburg.de>
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Subject: [multimob] Fast Handover Solutions
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Hi all,

after the - somewhat uninformed discussion at IETF85 - chairs asked me 
to restate requirements of a "fast handover solution" for Multicast 
Mobility.

Here they are:

  (i) Handover should be fast (this is only true for a direct pMAG/AR to 
nMAG/AR solution such as 
http://tools.ietf.org/html/draft-schmidt-multimob-fmipv6-pfmipv6-multicast).

  (ii) Multicast handover should be fully synchronized with unicast 
handover (otherwise unicast and multicast states diverge as is a 
well-known issue for the RAMS-approach, i.e., 
https://tools.ietf.org/html/draft-ietf-multimob-fast-handover).

  (iii) Multicast handover solutions should tightly integrate with 
unicast handover (only 
http://tools.ietf.org/html/draft-schmidt-multimob-fmipv6-pfmipv6-multicast 
integrates with PFMIPv6 and FMIPv6).

  (iv) Handover management should reuse standard mobility and multicast 
protocol operations for easy implementation and deployment 
(http://tools.ietf.org/html/draft-schmidt-multimob-fmipv6-pfmipv6-multicast 
introduced the use of standard IGMP/MLD records for context description 
in transfer, which has been copied several times).

  (v) Multicast handover management should integrate ASM and SSM, as 
well as IPv4 (IGMP) and IPv6 (MLD), which is only provided by 
http://tools.ietf.org/html/draft-schmidt-multimob-fmipv6-pfmipv6-multicast.

Based on these facts, chairs and AD proclaimed to re-decide on future 
paths for Multimob fast handover solutions.

Cheers,

Thomas
-- 

Prof. Dr. Thomas C. Schmidt
° Hamburg University of Applied Sciences                   Berliner Tor 7 °
° Dept. Informatik, Internet Technologies Group    20099 Hamburg, Germany °
° http://www.haw-hamburg.de/inet                   Fon: +49-40-42875-8452 °
° http://www.informatik.haw-hamburg.de/~schmidt    Fax: +49-40-42875-8409 °

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