Re: [Inip-discuss] Innovation in DNS

[Bauyrzhan Askar <[e-mail]>]

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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