Re: [rtcweb] Tunnelling DTLS in SDP

Tim Panton <tim@phonefromhere.com> Tue, 05 April 2016 09:58 UTC

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From: Tim Panton <tim@phonefromhere.com>
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Subject: Re: [rtcweb] Tunnelling DTLS in SDP
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> On 4 Apr 2016, at 18:34, Martin Thomson <martin.thomson@gmail.com> wrote:
> 
> On 4 April 2016 at 12:39, pfh <tim@phonefromhere.com> wrote:
>> It strikes me we could get the same reduced latency benefits by piggybacking
>> on ICE
>> rather than SDP, e.g. embedding the DTLS packet as data in a new STUN
>> attribute type.
> 
> One of the goals for connectivity checks is to keep them small.
> Cramming DTLS in is not compatible with this.

It wouldn’t be in every ICE packet, just in ones with (say) USE-CANDIDATE set.

T.