Re: [Inip-discuss] Innovation in DNS

[Bauyrzhan Askar <[e-mail]>]

Sorry Marc Blanchet

On 25 Aug 2016 17:13, "Bauyrzhan Askar" <[e-mail]> wrote:

> Thanks Mark
> I will investigate that RFC
> Best wishes
>
> On 25 Aug 2016 17:09, "Marc Blanchet" <[e-mail]> wrote:
>
>> On 25 Aug 2016, at 12:01, Bauyrzhan Askar wrote:
>>
>> Hi there
>>
>> Unlike com zone, root zone is accessed every time when DNS resolution for
>> unknown domain name is requested no matter which TLD zone the unknown
>> domain name belongs to.
>>
>> Not true. That claim ignores the effects of TTLs.
>>
>> *So, increase of SLD together with TLD, increases rate of DNS resolution
>> query to root nameserver. *
>>
>> So?
>>
>> Andrew, would you explain the effects of TLL related to that claim.
>>
>> not wanting to respond for Andrew, but maybe he was referring to « TTL »
>> of negative caching (RFC2308, see section 5).
>>
>> Regards, Marc.
>>
>> For the purpose of clarification of the claim, TTL specifies time it will
>> be in cache of DNS resolver. I point you to “request to
>> *unknown domain name*” and it means that there is no record data for the
>> unknown domain
>> name not just on Internet users PC but also in DNS resolvers cache.
>>
>> As for the risk it brings, what kind of risk are you mentioning?
>> Cybersquatting, risk of switching to AINA System or other risks?
>>
>> I want to draw your attention to the part where implementation of the AINA
>> System is described. As you can see for the purpose of simplicity,
>> switching to AINA System can be conducted through three scenarios. (at
>> least three and it is up to imagination). The first one is the one which
>> has no risk, and what needed is just to direct requests to AINA System in
>> case of unknown domain name for root nameservers.
>>
>> Many problems may rise here not from the technical aspect but rather from
>> political or business interest aspects. And I hopefully believe that the
>> discussions conducted here is out of that topics.
>>
>> Thanks
>>
>> On Tue, Aug 23, 2016 at 5:35 PM, Andrew Sullivan [e-mail]
>> wrote:
>>
>> On Tue, Aug 23, 2016 at 05:24:21PM +0100, Bauyrzhan Askar wrote:
>>
>> Unlike com zone, root zone is accessed every time when DNS resolution for
>> unknown domain name is requested no matter which TLD zone the unknown
>> domain name belongs to.
>>
>> Not true. That claim ignores the effects of TTLs.
>>
>> *So, increase of SLD together with TLD, increases rate of DNS resolution
>> query to root nameserver. *
>>
>> So?
>>
>> But the problem here is that when TLD list increases and any entry or
>> update made to the root zone file in master root nameserver, all root
>> nameservers have to be updated which in turn
>>
>> 1) increases the load to network handling root nameservers. (this may
>> not be a big problem at the moment)
>>
>> 2) increases the time for update to be finished throughout the world
>> because of increased number of copies of root nameservers.
>>
>> 3) increases the load to any particular root nameserver, no matter of
>> number of copies of root nameserver, because of the increased rate of
>> updates.
>>
>> All of this is true of the com zone, too, so I don't see how it's
>> relevant at all. I just don't see that this is a significant
>> improvement of the DNS, and it involves adding changes to the system
>> that present their own risks. If we're going to undertake such risks,
>> it seems to me a tiny incremental improvement to address no actual
>> practical problem anyone has for only one zone seems like a low
>> return on the investment.
>>
>> Best regards,
>>
>> A
>>
>> --
>> Andrew Sullivan
>> [e-mail]
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