Re: [MEXT] Home Agent Switch Message (RFC 5142) and DSMIP

[Vijay Devarapalli <vijay at wichorus.com>]

On 10/31/08 1:30 AM, "Julien Laganier" <julien.laganier.ietf at googlemail.com>
wrote:

> On Thursday 30 October 2008, Vijay Devarapalli wrote:
>> Brian Haley wrote:
>>> 
>>> Wouldn't a new DSMIP companion document just define a new mobility
>>> option to use with HA Switch and how it should be used?  I wouldn't
>>> think we'd revise 5142 to add DSMIP-specific content to it.
>> 
>> That will result in two documents for the same purpose. We should
>> avoid that. I don't see any issue with 5142bis talking about the IPv4
>> home agent address.
> 
> I see a possible issue with having both plain-MIPv6 and DSMIPv6 support
> in the same RFC, e.g. 5142bis.
> 
> There will be MIPv6 only systems with HA switch functionality but
> without DSMIP capability. Can such systems claim conformance to
> 5142bis?

We can add a mobility option for the carrying the HA IPv4 address, not
modify the message itself. Existing implementations would become conformant
to 5142bis when they get updated to support the new mobility option. This is
normal, though.

Vijay


> 
> --julien

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