On 9 Mar 2015, at 16:32, Stephane Bortzmeyer <bortzme...@nic.fr> wrote:
> 
> I re-send here two questions that have apparently not been addressed
> in -01

Hi Stephane,

Sorry, this was my oversight. I have added them to the issue tracker at 
https://github.com/DNSOP/draft-5966-bis. I will make sure they are addressed in 
the next issue and possibly in the slot at the dnsop meeting.

regards
John

> 
> On Sun, Jan 04, 2015 at 06:42:26PM +0100,
> Stephane Bortzmeyer <bortzme...@nic.fr> wrote 
> a message of 37 lines which said:
> 
>> Section 3, "some network devices deliberately refuse to handle DNS
>> packets containing EDNS0 options" Isn't it true of DNS-over-TCP as
>> well? SAC035 is pessimistic (see table 2). Do we have other data on
>> TCP (lack of) support in middleboxes?
> 
>> In the same section, should we add a word about poisoning attacks?
>> AFAIK, at least one resolver, CNS, switches to TCP when it receives
>> too many answers with the wrong Query ID. Should we document that
>> the use of TCP may make poisoning more difficult?
> 
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