Re: rsync vs. axfr-clarify (was: in support of axfr-clarify)

["D. J. Bernstein" <djb@cr.yp.to>]

> > My recommended use of rsync is to replicate complete _servers_. This has
> > a simple meaning: the servers respond identically to every query.
> A cool concept. And a fringe case at best.

In fact, even though BIND makes it unnecessarily difficult to set up,
this is an extremely popular configuration. AXFR today has two main uses:

   (1) as a clumsy mechanism of replicating servers and
   (2) as a clumsy mechanism of editing zone files remotely.

Except at companies that sell third-party DNS service, there's very
little demand for any type of replication other than server replication.
Yes, we can all point to examples such as arpa-vs.-root-servers.net, but
those examples are the fringe case.

---D. J. Bernstein, Associate Professor, Department of Mathematics,
Statistics, and Computer Science, University of Illinois at Chicago

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