At Fri, 12 May 2017 06:45:52 -0500, John Kristoff <j...@depaul.edu> wrote:
> > I've read draft-kristoff-dnsop-dns-tcp-requirements-02. > > Thank you for taking the time to read, review, and comment on it! > > > I think RFC7766 already pretty clearly states TCP is a MUST. > > IETF RFC 7766 does very explicitly declare TCP is a MUST in the context > of DNS implementation. It is also very explicit about not declaring > this to be so from an operational standpoint, although with a strong > warning about the consequences. The last paragraph is Section 1 in that > document is the operative text. It was that in addition to my own > operational and teaching experience I felt made this draft necessary. I > tried to make this case at the meeting in Chicago and elsewhere that > this is an important distinction that matters. I can try to make this > case more compelling and convincing in the text. I understand this draft tries to focus on an operational standpoint. It states the intent pretty clearly. It's just that I wasn't convinced about the need to publish a separate RFC for that purpose with all the overhead. But, if a new version provides more compelling arguments about the need it might change my mind. And, in any case, I wouldn't be surprised if others see stronger need for a separate operational document - it can be quite subjective. That's why I said I wouldn't be (necessarily) opposed to > > > I'm not sure if DDNS update bolsters the need for TCP. > [...] > > And I don't see any new trend that changes this practice. > > I see Tony has chimed on this so I'll simply add that the goal of > Section 2 was not necessarily intended to make or bolster the modern > argument for carrying DNS over TCP. In fact, the purpose was to help > show how it is difficult to conclude one way or another whether carrying > DNS over TCP is an operational requirement or not. I can make this > objective more explicit at the beginning of that section. Regarding this, see my followup response to Tony. -- JINMEI, Tatuya _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
