[v6ops] Re: [tangential] Re: Re: [DNSOP] Re: draft-hinden-v6ops-dns

Daryll Swer <contact@daryllswer.com> Fri, 21 June 2024 12:11 UTC

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From: Daryll Swer <contact@daryllswer.com>
Date: Fri, 21 Jun 2024 17:40:33 +0530
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Subject: [v6ops] Re: [tangential] Re: Re: [DNSOP] Re: draft-hinden-v6ops-dns
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>
> Right now the only thing we have is 1280.
>

The “right now” will turn into 50 years. The same way, IPv4 is still > IPv6
in deployments. The same way 1500 has been stuck.

*--*
Best Regards
Daryll Swer
Website: daryllswer.com <https://www.daryllswer.com>


On Fri, 21 Jun 2024 at 17:35, Philip Homburg <pch-v6ops-13@u-1.phicoh.com>
wrote:

> >    I don't know where this obsession with low MTU comes from,
>
> We need to have something that works now. When after years of study there
> is finally something from IEEE or IETF that can do L2 MTU, many more
> years of study are needed to get reliable PMTU for DNS. And finnaly all
> operators need to upgrade their routers and DNS software to support that.
> Maybe some time in the next 10 years.
>
> Right now the only thing we have is 1280.
>
> A long time ago, Iljitsch van Beijnum had a nice draft on how to do L2 MTU
> (https://datatracker.ietf.org/doc/html/draft-van-beijnum-multi-mtu-05)
> If I recall the discussion correctly people wanted him to remove support
> for IPv4. Then he gave up.
>
>
>