Hello Philip,

> Two tiny changes.
> 
> When starting from the root, there are in general multiple referrals.
> Any of
> them could cause a failure. This text makes the last referral
> special,
> which is not needed, but I don't object.
> 
> However, then the text says: "based on the referral," and that should
> be "based on a referral,"
> 
> There is also "doe snot support".
> 
> Otherwise perfectly fine.

Fixed, thanks.

> 
> > I selected RECOMMENDED here, as it is, essentially, a straight
> > forward extension of the RFC9715 recommendations for TCP. However,
> > I also see your point and will change RECOMMENDED to MAY:
> 
> I'd like to note here that I'm very curious if setting TCP MSS would
> reduce PMTU blackholes. In theory it should help. But it would
> require careful research to see how big the problem is today. And if
> setting the MSS at either end would improve the situation.

Yes, same. Corresponding measurements are on the todo. I know that at
least for mail, this can really help (my mailer pins MSS on the
outbound interface for... reasons.)

I do _not_ think that this needs to be completed (the measurements)
before this document progresses.

With best regards,
Tobias

-- 
Dr.-Ing. Tobias Fiebig
T +31 616 80 98 99
M [email protected]

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