>>>>> On Mon, 16 Aug 2004 14:13:14 +0530, 
>>>>> "O.L.N.Rao" <[EMAIL PROTECTED]> said:

>     I support the argument of optimizing NUD's RA processing.

>     However, the RS-RA exchange is not a frequent one to happen.  Hence the
> proposed optimization may not be of great advantage.  Also, I am
>     wondering if it is going to create some IOT issues with old-RFC
> implementations.  The simple example of such an IOT issue is, TAHI scripts
>     expect a NS to be sent in some cases where TN guesses that NUT is in
> STALE.  After that even if RS-RA exchange has happened, TAHI thinks
>     the NUT is in STALE and test case proceeds from there.  If we introduce
> this optimization, TAHI is likely going to show the test case result as
>     FAIL as the new-NUT is not going to send any NS after RS-RA exchange.

>     Hence, I would request you to look much deeper into that optimization
> before going to consider it.

>     Your comments are highly welcome :).

Basically, I don't have a strong opinion on this.  As you mentioned,
this is, even if justified, a very minor optimization (in fact, I
even don't know of a router implementation that supports and does
unicast RAs).  So, I'm basically not interested in using the
optimization in our own implementation.

However, I don't oppose to introducing the optimization if the issue
is only related to protocol-conformance tools.

                                        JINMEI, Tatuya
                                        Communication Platform Lab.
                                        Corporate R&D Center, Toshiba Corp.
                                        [EMAIL PROTECTED]

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