Re: Hidden connection spawning

Christian Huitema <huitema@huitema.net> Thu, 26 July 2018 21:41 UTC

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To: Mikkel Fahnøe Jørgensen <mikkelfj@gmail.com>
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From: Christian Huitema <huitema@huitema.net>
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Date: Thu, 26 Jul 2018 14:41:39 -0700
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Subject: Re: Hidden connection spawning
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On 7/25/2018 11:31 PM, Mikkel Fahnøe Jørgensen wrote:
> I came to think about a use case where you want to spawn a new
> connection from an existing connection because the new connection runs
> a different protocol. For example a http connection where you  want to
> run a separate live conference call, or to control tunnels from http
> control connection.
...
>
> This was in part inspired by recent discussion on tunneling, and in
> part by the following issue where partial reliability is being
> discussed and possibly shoe-horned into an extension. I am not
> following that issue closely though - it is just an example.
> https://github.com/quicwg/base-drafts/issues/1606#issuecomment-407951495
>

I have a related scenario in mind, something like "server-assisted
peer-to-peer". Two peers first synchronize through a server -- each peer
has a QUIC connection with the server. They exchange some messages to
establish a peer-to-peer connection through the server, then use
connection migration to establish a direct peer-to-peer connection. I
think it will require the same type of extension frames that you are
considering, plus something like ICE.

-- Christian Huitema