Re: Re: CARD: Storing sequence numbers in ARs' CAR table?

On Wed, 15 Oct 2003, Eunsoo Shim wrote:
> I'd like to suggest a very simple approach instead of the strict information
> synchronization or ordering.
> How about letting the MN use the following simple policy?
> 1) First, it takes Unsolicited Reply only from the default router (one of
> the multiple current ARs in the case of multihoming).
> 2) Second, it gives higher priority on the more recent information if it is
> from the same sender (not the original source) --- In this case, the order
> is determined by the sequence number for Unsolicited Replies. If the MN
> receives Unsolicited Reply and Solicited Reply from the default router, it
> takes more recently received information.
> 3) Third, if the MN sent inquiry (Request) to multiple ARs, it takes the
> most recently received information (Reply).
>
> Certainly this approach opens a (little) chance that the MN may NOT get the
> most up-to-date information.
>
> What do you think?

This should work well enough in most cases.

Henrik