Subject: RE: [Mobopts] Re: [Mip6] MIP and Upper Layer Protocol interaction

From: "Vijay Devarapalli" <[email-masked]>
Date: Wed, 21 Jun 2006 10:36:52 -0700

>  > > => There is no difference between the two scenarios. 
>  > 
>  > your reply is too cryptic.
>  > 
>  > when shim6 is used, one cannot start using another address
>  > without first adding that address to the list of addresses
>  > that the HA/CN need to be aware of (basically add to the
>  > shim6 state).
> 
> => Of course, which is doable in both scenarios.
> 
>  > 
>  > also, if both home addresses are from the same prefix,
>  > shim6 shouldn't be used. 
>          ^^^^^^^^^
> => that's your opinion, but the point is it can be used just as easily
> whether it's the same prefix or a different one. It actually 
> makes sense
> to use on solution for both cases.
> 
> 
>   if the home link is multihomed
>  > and the mobile node has multiple home addresses from the
>  > different prefixes, then shim6 is applicable.
> 
> => It's applicable in both cases, you want to use it in one case. 

yes. in my first reply to Shinta, I had said, I 
_would like_ to restrict the use of shim6 when MIP6
is used to the scenario when the home link is
multihomed.

this is one of the reasons why folks are still 
confused about the role of shim6 (see recent 
discussion on the shim6 mailing list). 

Vijay

> Hesham

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