[28810] in North American Network Operators' Group

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RE: IGPs and services?

daemon@ATHENA.MIT.EDU (Roeland M.J. Meyer)
Wed May 17 02:25:31 2000

Reply-To: <rmeyer@mhsc.com>
From: "Roeland M.J. Meyer" <rmeyer@mhsc.com>
To: <ww@shadowfax.styx.org>, "'nicholas harteau'" <nrh@ikami.com>
Cc: <nanog@merit.edu>
Date: Tue, 16 May 2000 23:22:09 -0700
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> ww@shadowfax.styx.org: Tuesday, May 16, 2000 10:34 PM

> What  is  the  general  feeling  about running  routing  protocols  on
> web/dns/mail servers?

Technically, not a problem. However, there is a school of thought that
thinks that to be a bad policy. That routing functions should be on
appliance-level systems, like routers. There is also some merit in that
appliances are more reliable, mainly because nothing *else* can cause an
operational interrupt. Unix systems are *real* good about process
control. but, there are still some things that makes it advisable to
reboot a system, at times. If that system is ALSO a critical router then
the entire net is down until the reboot is complete. It is generally not
considered a stable state of affairs. Having been in exactly that
situation, I can tell you that it isn't fun. Eventually, the pain
aversion therapy works and your behavior is modified accordingly.



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