Re: [Gen-art] Gen-ART Last Call review of draft-ietf-dnsop-5966bis-04

[Brian E Carpenter <[e-mail]>]

On 03/12/2015 23:56, sara wrote:
> 
>> On 2 Dec 2015, at 22:31, Brian E Carpenter <[e-mail]> wrote:
>>
>> Hi Sara,
>>
>>>>
>>>> Specifically:
>>>>
>>>> "Section 6.1.3.2 of [RFC1123] states:
>>>>
>>>>     DNS resolvers and recursive servers MUST support UDP, and SHOULD
>>>>     support TCP, for sending (non-zone-transfer) queries."
>>>>
>>>> Please make an explicit statement that this SHOULD is changed to MUST.
>>>
>>> The bis reproduces 2 statements verbatim from RFC5966 with regard to this. In paragraph 4 of the Introduction: 
>>>
>>> “This document therefore updates the core DNS protocol specifications
>>>   such that support for TCP is henceforth a REQUIRED part of a full DNS
>>>   protocol implementation."
>>>
>>> and in the first sentence of Section 5
>>>
>>> “All general-purpose DNS implementations MUST support both UDP and TCP transport.”
>>>
>>> In light of this do you still think we need another statement to this effect?
>>
>> Well, this may seem picky, but since you quote the text, I think that
>> a clear statement that you are changing it is useful. IMHO, YMMV, of course.
> 
> The sentence is updated in 2 ways
> - changing SHOULD to MUST and 
> - the reference to using TCP just for zone transfers is also removed
> which might be why it seemed easier to just restate it in RFC5966. 
> 
> Would it help if Section 5 was updated to read:
> 
> “ Section 6.1.3.2 of [RFC1123] is updated: All general-purpose DNS
>   implementations MUST support both UDP and TCP transport.”

Yes, perfect. (If I hadn't made this comment, I'm sure someone in the
IESG would have done so...)

> 
>>
>> Adding the "Updates: 1035, 1123" is necessary, though.
> 
> Agreed, will update. 

Thanks
   Brian

> 
> Regards
> 
> Sara.
> 
>