[xiph-rtp] Interesting post on AVT list
acolwell at real.com
Tue Sep 6 13:32:49 PDT 2005
On Tue, Sep 06, 2005 at 11:29:25PM +0200, Tor-Einar Jarnbjo wrote:
> Luca Barbato wrote:
> >Lose the session description and you can't start the session.
> Exactly, and no media server would appreciate each client trying to
> setup a session several times because it's not able to deliver a
> response to the client's RTSP or SIP request.
The server wouldn't try to setup the session several times. The server is able
to recognize when the receiver is resending a previous request. It would need
to support this functionality anyways if it decided to allow RTSP or SIP
requests over UDP.
> >Which method would deliver the SDP unreliably?
> RTSP and SIP, isn't that what we're talking about? Both methods usually
> use UDP transport.
RTSP does NOT usually use UDP. All servers that I am aware of use TCP. Even
if UDP was used for some strange reason, the client can issue the request again
if it doesn't receive the response.
I'm just curious. Have you actually ever implemented anything that uses either
of these protocols? Your claims lead me to believe that you haven't.
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