[dns-operations] [Ext] How should work name resolution on a modern system?
marka at isc.org
Thu Jun 16 01:57:44 UTC 2022
> On 16 Jun 2022, at 09:47, Viktor Dukhovni <ietf-dane at dukhovni.org> wrote:
> On Wed, Jun 15, 2022 at 07:13:30PM -0400, Phillip Hallam-Baker wrote:
>> I am of course fully aware of the commercial and technical issues that make
>> it very difficult for the incumbents to address this problem. But that
>> doesn't change the fact that a system designed to meet the needs of
>> educational institutions exchanging email in the 1980s is really not fit
>> for purpose for the needs of five billion users in the 2020s.
> Less stridently, we can recognise that the service discovery APIs we
> have do not have a first-class notion of overlay "views" each with its
> own independent naming tree, and the applications running on top of
> these APIs don't have syntax for choosing a view in which to resolve
> such names.
> The closest we have is the ".local" subspace of the global DNS, and
> reaching IETF consensus on such special use namespaces has been
> exceedingly complex.
> So the DNS is fundamentally a *global* namespace, but one in which
> businesses often overlay a single additional internal view.
> I don't think this is so much a *DNS* problem as such, or that DNS is
> not fit for purpose, but I do agree that requirements are shifting,
> and that indeed home automation is served poorly by a global namespace,
> and an overly centralised operational model.
> Sadly, time to market seems to favour doing what already works, however
> poorly. I do hope that real innovation can happen in this space, and
> better solutions found. It won't be easy.
Views come down to lack of IPv4 address space forcing RFC 1918 on people
and security theatre that hiding names actually protects anything at all.
After 27 years we, as an industry, shouldn’t be requiring anyone to use
RFC 1918 addresses at all but the laggards in various places across the
planet have prevented this being cleaned up.
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Mark Andrews, ISC
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PHONE: +61 2 9871 4742 INTERNET: marka at isc.org
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