Re: [arch-d] FYI: closure of the IAB Stack Evolution program

Ted Hardie <ted.ietf@gmail.com> Fri, 23 August 2019 20:29 UTC

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From: Ted Hardie <ted.ietf@gmail.com>
Date: Fri, 23 Aug 2019 13:28:43 -0700
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To: Chris Morrow <morrowc@ops-netman.net>
Cc: Fernando Gont <fgont@si6networks.com>, architecture-discuss@iab.org
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Subject: Re: [arch-d] FYI: closure of the IAB Stack Evolution program
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Howdy,

On Fri, Aug 23, 2019 at 11:48 AM Chris Morrow <morrowc@ops-netman.net>
wrote:

>
> I had figured quic was really an admission that: "Adding a new tcp/udp
> like protocol was much harder to swallow for the internet than just
> re-using an existing thing (UDP)."
>
> quic COULD have just as easily been done over tcp, esp, ah, icmp ...
> all of those come with some baggage though, which UDP didn't have.
> (admittedly udp has it's own baggage)
>

Changing TCP behavior on most systems requires modifying the kernel.
Having something built so that it could be modified in user space really
was important.  UDP is just a demux for QUIC and that's a success because
it enabled all of the other functionality to go up into the user space.

Just my perspective,

Ted