North American Network Operators Group
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Re: Why replicate the DNS?

  • From: Joe Abley
  • Date: Wed Mar 05 22:00:51 2003


On Tuesday, Mar 4, 2003, at 07:44 Canada/Eastern, [email protected] wrote:

In any case, I don't want to replicate the DNS. It works just fine as it
is and I want to leave it alone. I especially don't want to expand the
role of the DNS by adding features to it.
I think Bill's point was that if a distributed database is required to contain routing policy, why not use existing distributed database infrastructure to host it (i.e. the DNS). In this context, deployment of LDAP-accessible databases (which you advocate) is "replicating the DNS" (which you mention you don't want to do).

There was once a domain named under int which contained RPSL-ish content in TXT records, by way of example. I forget what it was called, now.

I think it is fair to say that the delegation chain in the DNS is demonstrably more effective in allowing authoritative records to be located than the ad-hoc partial-mesh of mirroring and key replication currently found in the IRR. For example, there seem to be all kinds of people who will helpfully add route objects to the IRR on your behalf, regardless of the fact that the result is multiple, conflicting records.


Joe