Re: [AVTCORE] On RFC2326

Magnus Westerlund <magnus.westerlund@ericsson.com> Thu, 29 January 2015 13:37 UTC

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Date: Thu, 29 Jan 2015 14:37:52 +0100
From: Magnus Westerlund <magnus.westerlund@ericsson.com>
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To: Julius Friedman <juliusfriedman@gmail.com>, mmusic@ietf.org, avt@ietf.org
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Subject: Re: [AVTCORE] On RFC2326
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On 2015-01-18 20:33, Julius Friedman wrote:
> Unfortunately I have more information which I have found to be
> contradictory and possibly erratum.
> 
> Quite Succinctly,
> 
> "
> 
> 
>       10.7 <https://tools.ietf.org/html/rfc2326#section-10.7> TEARDOWN
> 
> 
> 
>    The TEARDOWN request stops the stream delivery for the given URI,
>    freeing the resources associated with it. If the URI is the
>    presentation URI for this presentation, any RTSP session identifier
>    associated with the session is no longer valid. Unless all transport
>    parameters are defined by the session description, a SETUP request
>    has to be issued before the session can be played again.
> 
> "
> 
> 
> However earlier in the document.
> 
> 
> "
> 
> 
>       10.4 <https://tools.ietf.org/html/rfc2326#section-10.4> SETUP
> 
> 
>       ....
> 
> 
> 
> The server generates session identifiers in response to SETUP
>    requests. If a SETUP request to a server includes a session
>    identifier, the server MUST bundle this setup request into the
> 
>    existing session or return error "459 Aggregate Operation Not
>    Allowed" (see Section 11.3.10 <https://tools.ietf.org/html/rfc2326#section-11.3.10>).
> 
> "
> 
> 
> If a users obtains a session Id related to an aggregate controlled
media and only one of the sub sessions received a "TEARDOWN" then the
RFC makes the server incorrectly remove the SessionId which is still
being used for the other sub-sessions.
> 
> 
> 
> The draft doesn't do any better in making this clearer IMHO.
> 

What I can see
https://datatracker.ietf.org/doc/draft-ietf-mmusic-rfc2326bis/ in
Section 13.7.1 is clear on this. If you are disagreeing that this issue
is resolved. Please be explicit in what way it isn't resolved.

cheers

Magnus Westerlund

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[AVTCORE] On RFC2326 Julius Friedman
Re: [AVTCORE] On RFC2326 Julius Friedman
Re: [AVTCORE] On RFC2326 Magnus Westerlund