[150725] in North American Network Operators' Group

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Re: dns and software, was Re: Reliable Cloud host ?

daemon@ATHENA.MIT.EDU (Chuck Anderson)
Thu Mar 1 18:02:18 2012

Date: Thu, 1 Mar 2012 18:01:24 -0500
From: Chuck Anderson <cra@WPI.EDU>
To: nanog@nanog.org
Mail-Followup-To: nanog@nanog.org
In-Reply-To: <CAP-guGUfVr33NRUgeXMGfcsfRbXnVuGU+RWyz6eMQVX5-suuNw@mail.gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

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.


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