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Re: [AVT] Re: Clearmode definition.

Christian Groves <christian.groves@ericsson.com> Wed, 31 March 2004 05:24 UTC

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Date: Tue, 30 Mar 2004 21:03:37 +1000
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From: Christian Groves <christian.groves@ericsson.com>
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To: Rajesh Kumar <rkumar999@comcast.net>
CC: Colin Perkins <csp@csperkins.org>, rkumar@cisco.com, yaakov_s@rad.com, avt@ietf.org
Subject: Re: [AVT] Re: Clearmode definition.
References: <4.3.2.7.2.20040323082359.02513448@vtg-um-e2k1.cisco.com> <4.3.2.7.2.20040323080205.02475ab8@mail.comcast.net> <4.3.2.7.2.20040323073131.024fff00@mail.comcast.net> <27A0F290348F8E45AEF79889DDE65A52024E9E6E@exrad2.ad.rad.co.il> <4.3.2.7.2.20040323073131.024fff00@mail.comcast.net> <4.3.2.7.2.20040323080205.02475ab8@mail.comcast.net> <4.3.2.7.2.20040323082359.02513448@vtg-um-e2k1.cisco.com> <4.3.2.7.2.20040326083424.0267af00@vtg-um-e2k1.cisco.com>
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Hello Rajesh,

H.248 can already signal the use of Nx64k through the use of the multiplex 
descriptor.

Regards, Christian

Rajesh Kumar wrote:

> At 11:02 AM 3/26/2004 +0000, Colin Perkins wrote:
> 
>> Right - you have a pseudo-wire emulation, running multiple streams within
>> the pseudo-wire. This would seem to be a typical application for the PWE3
>> mechanisms, rather than something AVT should consider.
> 
> 
> In some applications, this places a demand for two, not one, signaling 
> mechanisms at the multimedia endpoints for RTP media e.g. SIP and PWE3 
> control. These are applications where it might set up nx64 sessions and 
> other (not necessarily simultaneous) sessions outside the pseudo-wire.
> 
> Perhaps, the PWE3 group should MIME this RTP media so that SIP and H.248 
> can be used for setting up nx64 sessions. However, if there is no 
> wide-spread demand for the SIP or H.248 signaling of the nx64 codec, the 
> vendors may define their proprietary MIMEs in the 'vnd' tree.
> 
> Rajesh
> 
> 
> 
> _______________________________________________
> Audio/Video Transport Working Group
> avt@ietf.org
> https://www1.ietf.org/mailman/listinfo/avt
> 


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