Re: [AVT] I-D ACTION:draft-ietf-avt-rtp-framing-contrans-06.txt

Colin Perkins <csp@csperkins.org> Wed, 07 September 2005 08:29 UTC

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From: Colin Perkins <csp@csperkins.org>
Subject: Re: [AVT] I-D ACTION:draft-ietf-avt-rtp-framing-contrans-06.txt
Date: Wed, 07 Sep 2005 09:29:05 +0100
To: skillzero@gmail.com
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On 7 Sep 2005, at 03:37, <skillzero@gmail.com> wrote:
>> Title               : Framing RTP and RTCP Packets over Connection- 
>> Oriented Transport
>> Author(s)       : J. Lazzaro
>> Filename     : draft-ietf-avt-rtp-framing-contrans-06.txt
>> Pages              : 11
>> Date              : 2005-9-6
>
> I'm curious if a framing scheme similar to RTSP's binary data
> encapsulation was considered. It adds 2 bytes of overhead per frame,
> but I would guess frame sizes would typically be much larger when
> going over a connection-oriented protocol (for example, I use 16 KB
> frames when going over TCP as opposed to 1400 or so byte frames over
> UDP), making the amortized cost relatively small.

The aim of this draft was to document the format defined in RFC 1889  
but removed from RFC 3550 due to lack of implementation reports at  
that time. It doesn't preclude other framing schemes, such as the  
RTSP encapsulation, if they're appropriate.

Colin

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