Re: I-D ACTION:draft-nordmark-multi6dt-shim-00.txt

marcelo bagnulo braun wrote:
>>> Good news. This is wrong (and I didn't realise it when analyzing NOID).
>>> Flow Labels are not unique on their own and cannot be used for
>>> anything on their own. You must always lookup a 3tuple.But if the
>>> received  {Flow Label, Source Locator, Dest Locator} is in the set
>>> {Flow Label, {Source Locators}, {Dest Locators}} corresponding to
>>> a particular {Flow Label, Source ULID, Dest ULID} 3tuple, the shim
>>> *knows* that it is a multi6 packet.
>>
>>
>> If the {flow label, src locator, dst locator} is used to identify the 
>> state then you are right. But that prevents a possible optimization 
>> with changing locator sets (think mobility) by requiring that multi6 
>> signaling be complete to tell the peer of the new locator before that 
>> locator can be used as the source.
>>
> 
> well, but in this case, there is also some security information nneded 
> to authenticate the new locator, so the receiver will have additional 
> information for the demux of this packet i guess.

Exactly. I'm kind of assuming we have something like HBA in place,
so prior knowledge of all locators is needed anyway.

    Brian