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Re: [AVTCORE] Last question about AVP profiles for RTP over QUIC (was: Re: Registering AVP Profiles for RTP over QUIC)

Spencer Dawkins at IETF <spencerdawkins.ietf@gmail.com> Thu, 28 July 2022 02:06 UTC

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From: Spencer Dawkins at IETF <spencerdawkins.ietf@gmail.com>
Date: Wed, 27 Jul 2022 22:06:21 -0400
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To: Roman Shpount <roman@telurix.com>
Cc: IETF AVTCore WG <avt@ietf.org>
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Subject: Re: [AVTCORE] Last question about AVP profiles for RTP over QUIC (was: Re: Registering AVP Profiles for RTP over QUIC)
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Hi, Roman,

On Wed, Jul 27, 2022, 17:50 Roman Shpount <roman@telurix.com> wrote:

> Hi Spencer,
>
> My name is misspelled in the presentation (s/Shpout/Shpount) :)
>

I'm sorry for the misspelling!

The alternative to ICE TCP candidates is relay over TCP or TLS (TURN). Even
> if we decide not to support ICE-TCP, if ICE is supported, RTP-over-QUIC
> will be transported over TCP or TLS relay in some cases.
>
> My main point is that ICE-TCP is part of ICE infrastructure and typically
> a part of all major ICE implementations. ICE-TCP solves a major problem
> with blocked UDP and seamlessly adapts UDP-based protocol to work over TCP.
> Disallowing ICE-TCP for RTP-over-QUIC would require extra work to disable
> it in the ICE library. It is possible that a better solution for blocked
> UDP can be developed for RTP-over-QUIC, but this would require changes to
> ICE specifications and implementations.
>

Thank you for sending your feedback to the mailing list. That helps a lot.

I appreciate you helping us come up with a plan for blocked UDP that makes
sense - that matters, too ...

Best,

Spencer

To summarize, unless we plan to redesign, modify, or disable ICE for
> RTP-over-QUIC, ICE-TCP will need to be supported.
> _____________
> Roman Shpount
>
>
> On Wed, Jul 27, 2022 at 3:23 PM Spencer Dawkins at IETF <
> spencerdawkins.ietf@gmail.com> wrote:
>
>> Hi, Roman,
>>
>> On Tue, Jul 26, 2022 at 11:39 PM Roman Shpount <roman@telurix.com> wrote:
>>
>>> Hi Spencer,
>>>
>>> I am participating remotely, but let me know when the slides are ready.
>>>
>>
>> I finished my slides yesterday evening, and I just checked that they're
>> in the datatracker now.
>>
>> URL is
>> https://datatracker.ietf.org/meeting/114/materials/slides-114-avtcore-ietf-114-avtcore-slides-09.pdf
>> for combined slideset, and my topic starts on slide 47, immediately
>> following the RTP over QUIC slides.
>>
>> Thank you for being willing to take a look!
>>
>> Best,
>>
>> Spencer
>>
>>>

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