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Re: [icnrg] low-latency and scalable video distribution

Dirk Kutscher <ietf@dkutscher.net> Wed, 23 March 2022 10:55 UTC

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From: Dirk Kutscher <ietf@dkutscher.net>
To: Marie-Jose Montpetit <marie@mjmontpetit.com>
Cc: ICNRG <icnrg@irtf.org>, nwcrg <nwcrg@irtf.org>
Date: Wed, 23 Mar 2022 11:55:16 +0100
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Subject: Re: [icnrg] low-latency and scalable video distribution
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I wouldn't start with the assumption that everything has to be based on a protocol with a connection-based security model.

Dirk


On 23 Mar 2022, at 11:44, Marie-Jose Montpetit wrote:

> Many use cases seem to suggest reasons to bring back coding in QUIC.
>
> mjm
>
> Marie-José Montpetit, Ph.D.
> marie@mjmontpetit.com
>
>
>
> From: Dirk Kutscher <ietf@dkutscher.net> <ietf@dkutscher.net>
> Reply: Dirk Kutscher <ietf@dkutscher.net> <ietf@dkutscher.net>
> Date: March 23, 2022 at 6:22:24 AM
> To: ICNRG <icnrg@irtf.org> <icnrg@irtf.org>
> Subject:  Re: [icnrg] low-latency and scalable video distribution
>
> Here is a comprehensive presentation that includes most of the aspects I
> mentioned:
>
> https://datatracker.ietf.org/meeting/113/materials/slides-113-moq-5-range-of-architectures-00
>
> Dirk
>
> On 23 Mar 2022, at 11:19, Dirk Kutscher wrote:
>
> Hello,
>
> in case you missed it, the MOQ (Media over QUIC,
> https://datatracker.ietf.org/meeting/113/materials/agenda-113-moq-06) BOF
> at IETF-113 is discussing low-latency video distribution use cases.
>
> The idea is to reduce latency for live streaming, i.e., achieving
> interactive conferencing latency without losing scalability.
>
> The current thinking is using either RUSH (
> https://datatracker.ietf.org/doc/html/draft-kpugin-rush-00) or SRT over
> QUIC (meh ;-).
>
> I believe that eventual solutions will have to do with stream
> prioritization, "relaxed" congestion control and incorporating the concept
> of relays.
>
> Other topics/ideas that came up:
>
>    - application layer multicast
>    - local retransmissions
>    - content naming
>
> Maybe something to look into from an ICN perspective...
>
> Dirk
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