Re: How to identify application type of MSRP session.

Paul Kyzivat <[email protected]> Tue, 09 Oct 2012 11:24:05 -0400
Newsgroups gmane.ietf.simple
Message-ID <[email protected]>
On 10/9/12 1:16 AM, Prasun Bheri wrote:
> Thanks Paul and Adrian.
> Does it not create inter-op issues?
> What is the best approach to inter-opp with other msrp implementations.

Certainly it could.

The issue arises when you try to multiplex multiple "applications" on a 
single AOR and, I gather, a single dialog. Standardizing such usage 
would seem to require a new higher level application framework on top of 
sip. One such framework that comes to mind is IMS.

	Thanks,
	Paul

> Thanks & Regards
> Prasun
>
> On Mon, Oct 8, 2012 at 8:14 PM, Paul Kyzivat <[email protected]
> <mailto:[email protected]>> wrote:
>
>     On 10/8/12 3:11 AM, Prasun Bheri wrote:
>
>         Hello Group,
>         I would like to use MSRP for various applications such as IM/File
>         Transfer/Screen sharing etc.
>
>         What is the right way to identify, which MSRP session belongs to
>         which
>         application?
>
>         Looking at SDP in SIP INVITE all applications could have same
>         accept-types.
>
>
>     AFAIK there are no specific standards for this, but there are
>     mechanisms you can use.
>
>     E.g. you may use the a=label attribute in sdp to associate an m-line
>     with a label that is significant to an application.
>
>              Thanks,
>              Paul
>
>
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