RE: [Sip] about H.323 and SIP
"Naidu, Venkata" <Venkata.Naidu@Marconi.com> Sat, 15 September 2001 19:50 UTC
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From: "Naidu, Venkata" <Venkata.Naidu@Marconi.com>
To: "Rosen, Brian" <Brian.Rosen@Marconi.com>, sip@ietf.org
Subject: RE: [Sip] about H.323 and SIP
Date: Sat, 15 Sep 2001 15:11:20 -0400
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All: Sorry to extend the issue again... I would suggest interested guys look at unbiased comparison of H.323 and SIP at: http://www.stanford.edu/~chuhee/project/voip/comparison.htm As long as there are two, people will never agree on only one. This is definitely not a feature, rather a bug! --Venkata Naidu -> I'd like to ask that this thread be allowed to die. -> It serves no purpose germane to the work of the SIP WG. -> -> Brian -> -> > -----Original Message----- -> > From: Paul Long [mailto:plong@ipdialog.com] -> > Sent: Friday, September 14, 2001 2:22 PM -> > To: sip@ietf.org -> > Subject: RE: [Sip] about H.323 and SIP -> > -> > -> > Michael, -> > -> > No, the pregranted ARQ is part of the registration process -> and is not -> > involved with call setup. Let me say it again, call setup can be -> > accomplished with a single message, so H.323 is no different -> > than SIP in -> > this regard. -> > -> > Also, H.323 and SIP have influenced each other, so it's not -> > by any means a -> > one-way street. -> > -> > Paul Long -> > ipDialog, Inc. -> > -> > -----Original Message----- -> > From: sip-admin@ietf.org [mailto:sip-admin@ietf.org]On Behalf -> > Of Michel -> > A. Maddux -> > Sent: Friday, September 14, 2001 9:52 AM -> > To: 'Paul Long'; sip@ietf.org -> > Subject: RE: [Sip] about H.323 and SIP -> > -> > -> > -> > Paul Long writes: -> > -> > If the H.323 endpoint is unregistered or uses the direct call -> > model and -> > pregranted ARQs, only a single message (Setup) is necessary -> > in H.323 to -> > setup a call. -> > -------------- -> > -> > Hmmm, and yet, the need to have the pre-granted ARQ is part -> > of the call -> > setup -> > sequence... and in fact, depending upon exactly how the -> > Gatekeeper bandwidth -> > management is provided, could itself cause some problems. -> > For example, if -> > 1000 endpoints all request a pre-granted ARQ (this is after -> > registration -> > sequence -> > and etc...), and the Gatekeeper allows only 1000 calls - no -> > calls are in -> > progress at that time, and yet the gatekeeper could -> disallow the next -> > request. -> > -> > Clearly, pre-granted ARQ and Fast Start are examples of the -> > changes to the -> > original H.323 spec which were specifically designed to -> > address the issues -> > of excessive message traffic. My comment to Lina in the -> > original post was -> > not intended to describe the many intricacies of the two -> > protocols (because -> > I believe that they both have a place in the industry), -> > rather to point out -> > what I believe to be the fundamental difference between them -> > - pursuant to -> > the question. -> > -> > thanks. /m. -> > -> > -> > _______________________________________________ -> > Sip mailing list http://www1.ietf.org/mailman/listinfo/sip -> > This list is for NEW development of the core SIP Protocol -> > Use sip-implementors@cs.columbia.edu for questions on current sip -> > Use sipping@ietf.org for new developments on the application of sip -> > -> -> _______________________________________________ -> Sip mailing list http://www1.ietf.org/mailman/listinfo/sip -> This list is for NEW development of the core SIP Protocol -> Use sip-implementors@cs.columbia.edu for questions on current sip -> Use sipping@ietf.org for new developments on the application of sip -> _______________________________________________ Sip mailing list http://www1.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use sip-implementors@cs.columbia.edu for questions on current sip Use sipping@ietf.org for new developments on the application of sip
- [Sip] about H.323 and SIP Na Li
- RE: [Sip] about H.323 and SIP Michel A. Maddux
- FW: [Sip] about H.323 and SIP Na Li
- RE: [Sip] about H.323 and SIP Cullen Jennings
- RE: [Sip] about H.323 and SIP Paul Long
- RE: [Sip] about H.323 and SIP Paul Long
- Re: [Sip] about H.323 and SIP Matt Holdrege
- RE: [Sip] about H.323 and SIP Henry Sinnreich
- RE: [Sip] about H.323 and SIP Paul Long
- RE: [Sip] about H.323 and SIP Henry Sinnreich
- RE: [Sip] about H.323 and SIP Agboh, Charles
- RE: [Sip] about H.323 and SIP Peter.Gajdos
- RE: [Sip] about H.323 and SIP Michel A. Maddux
- RE: [Sip] about H.323 and SIP Paul Long
- RE: [Sip] about H.323 and SIP Rosen, Brian
- Re: [Sip] about H.323 and SIP Suheel Hussain
- RE: [Sip] about H.323 and SIP Naidu, Venkata
- Re: [Sip] about H.323 and SIP Henning G. Schulzrinne
- RE: [Sip] about H.323 and SIP Naidu, Venkata
- RE: [Sip] about H.323 and SIP Paul Long
- RE: [Sip] about H.323 and SIP De Leo Walter
- RE: [Sip] about H.323 and SIP Matt Holdrege
- RE: [Sip] about H.323 and SIP De Leo Walter