Re: Resilient Internet

[Mike Hammett via NANOG <nanog () lists nanog org>]

I think most people on this aren't the ones who design the products or services, but use them. Sometimes you need to 
use a screwdriver as a hammer.



-----
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com

Midwest-IX
http://www.midwest-ix.com

----- Original Message -----
From: "Saku Ytti via NANOG" <nanog () lists nanog org>
To: "North American Network Operators Group" <nanog () lists nanog org>
Cc: "Saku Ytti" <saku () ytti fi>
Sent: Monday, September 15, 2025 10:54:03 AM
Subject: Re: Resilient Internet

On Mon, 15 Sept 2025 at 18:42, Pedro Prado via NANOG
<nanog () lists nanog org> wrote:

> Btw, I’ve heard of duplication even over the _same link_ because it was detected to be lossy, just to increase the 
> odds one of the duplicates would make it.

Sure if you misbehave you can win congested internet battles, provided
most others do not misbehave.

But it's likely not a reasonable place to start your product design from.

That is, let's assume the original QUIC which does some sort of
dynamic FEC to increase redundancy to combat loss. This is fine if
loss is due to an unreliable link or such. But if, as the common case
is, loss is due to congestion, then it'll only make things worse when
everyone else uses the same strategy, since as packet loss increases
demand for capacity increases with it as form of increased redundancy.

-- 
  ++ytti
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