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Re: [rtcweb] Regarding cloning of PeerConnections when multiple answers are received

Magnus Westerlund <magnus.westerlund@ericsson.com> Tue, 10 April 2012 08:18 UTC

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Date: Tue, 10 Apr 2012 10:18:29 +0200
From: Magnus Westerlund <magnus.westerlund@ericsson.com>
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To: Roman Shpount <roman@telurix.com>
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Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] Regarding cloning of PeerConnections when multiple answers are received
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On 2012-04-02 18:09, Roman Shpount wrote:
> 
> On Mon, Apr 2, 2012 at 9:02 AM, Hadriel Kaplan <HKaplan@acmepacket.com
> <mailto:HKaplan@acmepacket.com>> wrote:
> 
> 
>     Hi,
>     I was thinking the tricky part is more about the local transport
>     stuff getting cloned - i.e., imagine if you're using a TCP-based
>     TURN connection.
>     But maybe it's a non-issue.
> 
>  
> This really depends on how the TURN support is implemented, but
> typically using the same TCP connection or any other TURN allocation for
> multiple PC should be no more of an issue then using same connection for
> multiple streams within the PC.

Actually TURN forces one to setup at least new permissions for each peer
that you want to accept flows from. Thus, even cloning an existing local
state will require additional actions for any TURN candidates. I haven't
looked into the detail for TURN TCP.

Cheers

Magnus Westerlund

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