MTU to CDN's

Vincent Bernat bernat at luffy.cx
Fri Jan 19 15:54:17 UTC 2018


 ❦ 19 janvier 2018 08:07 -0600, Mike Hammett <nanog at ics-il.net> :

> Wouldn't those situations be causing issues now, given the likelihood
> that someone with a less than 1,500 byte MTU is communicating with you
> now?

Those situations are causing issues now. If you have a MTU less than
1500 bytes, it is likely some destination are unreachable to you if you
only rely on PMTUD. People usually rely on TCP MSS for those cases.
-- 
I'll burn my books.
		-- Christopher Marlowe



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