nanog mailing list archives

Re: QUIC traffic throttled on AT&T residential


From: Paul Timmins <paul () telcodata us>
Date: Wed, 26 Feb 2020 10:19:41 -0500

It's okay though, because we freed up UDP/53 by moving DNS to TCP/443, so then we can move HTTPS to UDP/53.

On 2/21/20 6:37 PM, Owen DeLong wrote:
First we moved the entire internet to TCP/443.

Now we propose moving it all to UDP/53.

What’s next? Why not simply eliminate port numbers altogether in favor of a single 16-bit client-side unique session identifier.

Owen

On Feb 21, 2020, at 15:20 , Matthew Petach <mpetach () netflight com <mailto:mpetach () netflight com>> wrote:



On Fri, Feb 21, 2020, 13:31 Łukasz Bromirski <lukasz () bromirski net <mailto:lukasz () bromirski net>> wrote:


    [...]

    Now… once we are aware, the only question is — where we go from here?

    —
    ./



Well, it's clear the UDP 443 experiment wasn't entirely successful.

So clearly, it's time to use the one UDP port that is allowed through at the top of everyone's ACL rules, and update QUIC in the next iteration to use UDP/53.

*THAT* should solve the whole problem, once and for all.

;)

Matt



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