I am indifferent about what label we stick on this, but perhaps the document 
should have a section on implementations?

However, I do feel that the Security Considerations is missing on the risks of 
dropping packets, ICMP filtering and dangers of PMTUD.

Also it feels weird to me that the IP_PMTUDISC_OMIT is used by: BIND 9, NSD, 
Unbound, Knot DNS and PowerDNS, but neither the fact nor the reasoning behind 
the option is ever mentioned here.

Hence, I think the Implementors section should be added to the document. 

Ondrej
--
Ondřej Surý — ISC (He/Him)

My working hours and your working hours may be different. Please do not feel 
obligated to reply outside your normal working hours.

> On 20. 1. 2023, at 16:20, Paul Hoffman <paul.hoff...@icann.org> wrote:
> 
> Given the long list of things in this document that ISC has thought about 
> and actively decided not to do, is it a good idea that we call it a "best 
> current practice"?
> 
> --Paul Hoffman
> 
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