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Re: [DNSOP] New draft on delegation revalidation

Bob Harold <rharolde@umich.edu> Tue, 14 April 2020 15:23 UTC

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From: Bob Harold <rharolde@umich.edu>
Date: Tue, 14 Apr 2020 11:23:25 -0400
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To: Shumon Huque <shuque@gmail.com>
Cc: Tim Wicinski <tjw.ietf@gmail.com>, "dnsop@ietf.org WG" <dnsop@ietf.org>
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Subject: Re: [DNSOP] New draft on delegation revalidation
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On Mon, Apr 13, 2020 at 4:59 PM Shumon Huque <shuque@gmail.com> wrote:

> On Fri, Apr 10, 2020 at 12:51 PM Bob Harold <rharolde@umich.edu> wrote:
>
>> Having read through the draft, and twice through the emails, I think the
>> draft has the right balance in using the parent and child NS RRsets
>> properly.
>>
>> I think the "extra" query for the child NS, sent once per parent TTL, is
>> a savings over the older method of sending the NS records as "additional
>> data" in every response.
>>
>>>
>>>
> Thank you Bob. I just want to qualify your last observation a bit - the
> extra query would be once per minimum of parent and child TTL, roughly.
>
> Shumon.
>

Ah, yes, thanks for the correction.

-- 

Bob Harold

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