[Users] CANCEL problem

Michael Ulitskiy mdu113 at acedsl.com
Wed Aug 3 17:50:52 CEST 2005


Great! Thanks Bogdan! I'll be the first to test it.
I just wanted to point out that it's really amusing how responsive
openser developers are and how impressive openser development
pace is. Very good experience so far.
Thanks a lot.

Michael

On Wednesday 03 August 2005 11:32 am, Bogdan-Andrei Iancu wrote:
> Hi Michael,
> 
> that's exactly the trick I wanted to try to solve this issue (see my 
> previous email)...but I will have to dig to see how difficult is to 
> implement.
> 
> regards,
> bogdan
> 
> Michael Ulitskiy wrote:
> 
> >Hi Klaus,
> >
> >I guess, you're right. I didn't know that.
> >Then openser should keep CANCEL in transaction context until transaction
> >expires (probably until wt_timer expires) and transmit it if provisional
> >response is received during that time.
> >Thanks for clarification.
> >
> >Michael
> >
> >On Tuesday 02 August 2005 07:52 pm, you wrote:
> >  
> >
> >>Hi Michael!
> >>
> >>RFC3261 page 54:
> >>If no provisional response has been received, the CANCEL request MUST
> >>    NOT be sent; rather, the client MUST wait for the arrival of a
> >>    provisional response before sending the request.
> >>
> >>
> >>Thus, the proxy should withhold the CANCEL until a provisional response 
> >>is received. If no provisional response is received for a certain time, 
> >>the proxy may discard the whole transaction.
> >>
> >>Also take a look at section 16.10 and section 16.7 step 10.
> >>
> >>regards
> >>klaus
> >>    
> >>
> 
> 




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