Subject: Re: [Sipping] Question on draft-ietf-sipping-conferencing-models-01.t xt

From: Jonathan Rosenberg <[email-masked]>
Date: Thu, 05 Sep 2002 14:51:04 -0400

More old emails, so sue me....

Response inline:

[email-masked] wrote:
> 
> Hi,
>      I had a doubt on the conferencing models draft
> (draft-ietf-sipping-conferencing-models-01.txt). In
> section 7.3 (Scalability in the Centralized Signalling,
> Distributed Media approach), it is mentioned that :
> 
> "Similarly, departure of a user requires N BYE
> transactions, each of which has 2 messages. "
> 
> But this model involves N distinct SIP dialogs, one
> between each participant and the conference server. So
> when a participant decides to leave the conference,
> shouldn't it result in {N-1} re-INVITE transactions
> (deleting the media stream of the participant who has
> left the conference) as opposed to N BYE transactions ?
> Please let me know if i am missing something here.

Yes, I think you are right.

In any case, the conferencing models draft is pretty stale, and is being 
replaced by a series of documents that more generally deal with 
conferencing. The design team has been hard at work on this, with some 
of the drafts out. Expect more soon.

-Jonathan R.

-- 
Jonathan D. Rosenberg, Ph.D.                72 Eagle Rock Ave.
Chief Scientist                             First Floor
dynamicsoft                                 East Hanover, NJ 07936
[email-masked]                     FAX:   (973) 952-5050
http://www.jdrosen.net                      PHONE: (973) 952-5000
http://www.dynamicsoft.com

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