Re: Multi6 WG Last Call (1 of 3) draft-ietf-multi6-architecture-01.txt

Jari Arkko <[email protected]> Thu, 21 Oct 2004 10:03:46 +0300
Newsgroups gmane.ietf.multi6
Organization None
Message-ID <[email protected]>
Brian E Carpenter wrote:

>  > 4.2  Multi-Homing: Mobility
> ...
>  >    The aspect of MIPv6 which appears to present issues in the context of
>  >    multi-homing is the return routeability mechanism.  In MIPv6 identity
>  >    validity is periodically tested by return routeability of the
>  >    identity address.  This regular use of a distinguished locator as the
>  >    identity token cannot support return reachability in the multi-homing
>  >    context in the event of extended path failure of the path that is
>  >    associated with the identity locator.
> 
> This question isn't really relevant to multi6, but isn't it therefore
> also the case that if the home agent becomes unreachable for more than
> 7 minutes, regular MIP6 also breaks for the same reason and the mobile
> node loses connectivity?

This is correct. Other mobility mechanisms such as HIP could
survive such scenarios, however.

--Jari