Hi Roni, But what about H.323 MC? I wanted to understand the reason/intention for the same as it seems to be a very *intentional* decision and does not appear that something was overlooked!
Thanks for the response!
Regards,
Gaurav Makkar Senior Technical Leader Hughes Software Systems
Roni Even Roni_e@ACCORD.CO.IL on 05/18/99 11:20:23 AM
Please respond to Roni Even Roni_e@ACCORD.CO.IL
To: Gaurav Makkar/HSS@HSS, h323implementors@imtc.org, ITU-SG16@mailbag.cps.intel.com cc:
Subject: RE: Multipoint Cascading Issue!
Gaurav, I think that it is a good question. In H.320 that was the initial cascaded mode supported. In recent a version the MIH BAS code was added and a process describing multi hierarchy was defined in a tree structure similar to T.120. Roni Even
********************************************** Roni Even VP Product Marketing Accord Video Telecommunication Email: roni_e@accord.co.il Tel: +972-3-9251412 Fax: +972-3-9211571 ***************************************************
-----Original Message----- From: gmakkar@hss.hns.com [SMTP:gmakkar@hss.hns.com] Sent: Monday, May 17, 1999 8:57 PM To: h323implementors@imtc.org; ITU-SG16@mailbag.cps.intel.com Subject: Multipoint Cascading Issue!
Please refer to H.323 recommendation, clause 8.4.5, "There shallonly be one master MC in a conference. A slave MC shall only be cascaded to a master MC. Slave MCs shall not be cascaded to other slave MCs. This allows only dumb-bell or star cascaded configurations.".
My query is: why the above restriction? If one can have amulti-level tree structure in a T.120 conference, why should the above restriction be applied to an H.323 conference? Also, using the above, a conference (using a single MC) can have only 256 participants (terminal label is 8-bits). Cascading would be required to increase the size of the conference - again limited to 65536 participants (that ofcourse is large-enough for a planned conference, if not adopt H.332) and that too in a "wierd" star configuration. Point is why have the Master MCU and its network subnet be overloaded with information from all slave MCs - why not permit a configuration in which an MC can act as a slave to one MC and a master to another. That way a tree configuration for the conference could be built.
Am I missing something?? I would be greatful if someone couldgive some direction on this account.
Thanks!Regards,
Gaurav Makkar Senior Technical Leader, Hughes Software Systems
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