Re: [rtcweb] SDP Security Descriptions (RFC 4568) and RTCWeb

Iñaki Baz Castillo <ibc@aliax.net> Sun, 28 April 2013 12:14 UTC

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Date: Sun, 28 Apr 2013 14:14:40 +0200
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From: Iñaki Baz Castillo <ibc@aliax.net>
To: Tim Panton <tim@phonefromhere.com>
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Cc: rtcweb@ietf.org
Subject: Re: [rtcweb] SDP Security Descriptions (RFC 4568) and RTCWeb
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The problem is not DTLS (which can be handled by a pure media gateway) but
DTLS+EKT which means that the server should generate a reINVITE for legacy
interop (so the gateway would become a complex media+signaling B2BUA).

--
Iñaki Baz Castillo
<ibc@aliax.net>
El 28/04/2013 14:07, "Tim Panton" <tim@phonefromhere.com> escribió:

>
> On 27 Apr 2013, at 15:17, Christer Holmberg wrote:
>
>
> Hi,
>
> As I've mentioned before, we should really try to avoid solutions that
> require intermediaries to send reINVITEs - or, more general, send SDP
> offers.
>
> Regards,
>
> Christer
>
>
> If you stick to that rule, you'd want rid of ICE, SRTP, BUNDLE and all the
> other things an intermediary may have to add
> to a plain legacy device's offer in order for it to be acceptable to a
> browser.
>
> Or in other words: Why is the DTLS re-write especially irksome . ?
>
> T.
>
>
>
>
>