[RSSAC Caucus] [Ext] TCP and TC (was Updating the RSSAC FAQ)

[Ray Bellis]

On 04/05/2020 17:01, Fred Baker wrote:

> So, is it reasonable to say that the ability to pose a DNS request 
> and receive a response using TCP, and using TCP as the fallback 
> transport when TC is invoked, is a requirement of a modern resolver?

Yes, absolutely.

See RFC 7766 (which strictly refers specifically to implementation) and
draft-ietf-dnsop-dns-tcp-requirements (which relates to operationand
configuration).

Ray