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RE: Probe dns service - anycast network
- From: Anshuman Kanwar
- Date: Tue Nov 23 14:32:09 2004
http://www.digitarchy.com/anycast/phcd.tgz
Will do pretty much what you want. My target was a HTTP
based service rather than DNS. Modification for UDP
health checks should be trivial.
-ansh
-----Original Message-----
From: owner-nanog@merit.edu
[mailto:owner-nanog@merit.edu] On Behalf Of Gere geomag
Sent: Thursday, November 11, 2004 3:03 PM
To: nanog@merit.edu
Subject: Probe dns service - anycast network
Hi,
We are thinking of deploying anycast in our network for
dns servers.
I have the following scenario:
- 10 server DNS (isc-bind) , linux and zebra for
propagating ospf ip anycast.
Are there someone who has developed a "solid scripts
(perl/c/ecc..)"
that is used to probe a dns service (udp/tcp port 53) and
in case of failure (or max lookup query time problem)
automatic shutdown ospf annunce or remove a server from a
anycast network?
Best regards
Antony Findanno
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