dns and software, was Re: Reliable Cloud host ?

Thu Mar 1 23:01:24 UTC 2012

On Thu, Mar 01, 2012 at 05:57:11PM -0500, William Herrin wrote:
> Which is what everybody basically does. And when it works during the
> decidedly non-rigorous testing, they move on to the next problem...
> with code that doesn't perform well in the corner cases. Such as when
> a host has just been renumbered or one of the host's addresses is
> unreachable.
> 
> And because most everybody has made more or less the same errors, the
> DNS TTL fails to cause their applications to work as intended and
> loses its utility as a tool to facilitate renumbering.

Is there an RFC or BCP that describes how to correctly write such a
library?  Perhaps we need to work to get such a thing, and then push
for RFC-compliance of the resolver libraries, or develop a set of
libraries named after and fully compliant with the RFC and get
software to use them.