Re: [Mip4] Request to consider FMIPv4 as a working group document

Hi Charlie.

Generally, I support having a WG solution for fast handover
using MIPv4.

Some of the areas that is debatable in the draft:

  - Key difference between MIPv4 and MIPv6 is FA existence.
  - FMIPv4 enabled ARs not being FAs is unlikely, IMHO.  So
    we can simplify by specifying only FA mode operation, no CCoA
    support needed since ARs would have to be MIPv4 enabled.
    This would fit the deployment model and clean up most of
    draft dealing with IP address management.
  - Support for fast handover in WiFi already exists today w/o
    MIPv4 involvement.  Therefore, realizing deployments using
    this type of scheme will be difficult.

Haven't read the draft in detail for specifics to MIPv4.  Will comment
on them later.

Kent

At 01:53 PM 3/17/2005 -0800, Charles E.Perkins wrote:

>Hello folks,
>
>We made a presentation at IETF 61 about a way to do
>fast handovers with Mobile IPv4.  Our method is adapted
>from the protocol for Mobile IPv6,
>      draft-ietf-mipshop-fast-mipv6-03.txt
>
>The Mobile IPv6 protocol has been approved for
>publication and is currently in the RFC editor's
>queue.
>
>The discussion at IETF 61 can be reviewed from the
>minutes, located at:
>http://www1.ietf.org/proceedings_new/04nov/toc.html#int
>
>As part of this discussion, I showed some results which
>indicate very good performance for FMIPv4, suitable for
>handling interactive voice applications.  I probably have
>the PowerPoint presentation around somewhere if needed.
>
>The protocol specification for the Mobile IPv4 fast
>handovers is documented in the Internet Draft:
>      draft-koodli-fmipv4-00.txt
>which is available in the standard IETF draft
>directories.
>
>Thanks in advance for your consideration of our
>request.
>
>Regards,
>Charlie P.
>
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