Re: What do you consider acceptable packet / session modification for a network operator?

[Ca By via NANOG <nanog () lists nanog org>]

On Sat, Dec 27, 2025 at 12:50 AM Pedro Prado via NANOG <
nanog () lists nanog org> wrote:

> Yup, sure it’s UDP; I was just curious wether those providers were also
> trying to find a way to affect QUIC…

Quic, being modern, has many of these ideas built-in.

For example, it has a spin bit and active pmtu discovery along with general
lower mss built in.



> Sent from my iPhone
>
> > On 27 Dec 2025, at 06:44, Marco Moock via NANOG <nanog () lists nanog org>
> wrote:
> > On 26.12.2025 22:47 Pedro Prado via NANOG <nanog () lists nanog org>
> wrote:
> > > Is QUIC also affected in any way?
> >
> > It uses UDP, so it is affected by NAT, but not by MSS-clamping.
> > If PMTUD fails and people use MSS-Clamping, QUIC will fail.
> >
> > --
> > kind regards
> > Marco
> >
> > Send spam to abfall1766785668 () stinkedores dorfdsl de
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