Re: Duplicate TransID

> Hi All,
> 
> Dratf "The APEX Presence Service"
> draft-ietf-apex-presence-06.txt" 
> 
> Section 4.3 'The Watch Operation' and 4.4 'The Publish
> Operation'
> 
> An endpoint (say fred@domian') sends 2 request with
> same transId for Watch and Publish information. 
    
full stop. the endpoint should do that. the whole point of
transaction-ids is that they are supposed to be unpredictable, cf.,
6.1.1 of RFC 3340.
    
    
> Hence, endpoint cannot distinguish between the 2
> response from the Presence service.
> 
> Isn't its the duty of Presence service to check the
> transID in use here also as it does in 'watch' and
> 'subscribe' operation?

no, that would be encouraging poor behavior.
    
/mtr