Re: [MMUSIC] Merging ICE aggressive and regular nomination (was Re: [tram] Comment on draft-williams-peer-redirect-01: might it not converge?)

Justin Uberti <juberti@google.com> Fri, 01 August 2014 01:07 UTC

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From: Justin Uberti <juberti@google.com>
Date: Thu, 31 Jul 2014 18:06:38 -0700
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To: Martin Thomson <martin.thomson@gmail.com>
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Cc: mmusic <mmusic@ietf.org>, Jonathan Lennox <jonathan@vidyo.com>
Subject: Re: [MMUSIC] Merging ICE aggressive and regular nomination (was Re: [tram] Comment on draft-williams-peer-redirect-01: might it not converge?)
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On Thu, Jul 31, 2014 at 5:34 PM, Martin Thomson <martin.thomson@gmail.com>
wrote:

> On 31 July 2014 15:40, Iñaki Baz Castillo <ibc@aliax.net> wrote:
> > - For DTLS it means complexity in the sense that a separate DTLS
> > session/context is required for each "transport".
>
> Not really.  DTLS "says" that, but it doesn't functionally rely on a
> stable 5-tuple in any real fashion.
>
> Other protocols that rely on UDP are likely to be similar.  Reliance
> in name only.


Think of ICE as a virtual socket. At higher layers, you don't know the
address of the remote endpoint or exactly how it will be contacted, but you
know if you send something on the virtual socket it will make it to the
remote endpoint. That's all DTLS needs to know.