[28811] in North American Network Operators' Group
Re: IGPs and services?
daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Wed May 17 02:41:56 2000
Message-Id: <200005170639.e4H6dkn24380@black-ice.cc.vt.edu>
To: rmeyer@mhsc.com
Cc: nanog@merit.edu
In-reply-to: Your message of "Tue, 16 May 2000 23:22:09 PDT."
<00e201bfbfc8$3b7597f0$eaaf6cc7@PEREGRIN>
From: Valdis.Kletnieks@vt.edu
Date: Wed, 17 May 2000 02:39:45 -0400
Errors-To: owner-nanog-outgoing@merit.edu
On Tue, 16 May 2000 23:22:09 PDT, "Roeland M.J. Meyer" said:
> > 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
How about the case of a system with several network interfaces on
different subnets, and using a routing protocol to better pick which
interface to send a connection out on?
This is probably more applicable to mail servers - web and dns servers
don't have as much latitude as they sort of have to answer on the
interface they were contacted on...
Valdis Kletnieks
Operating Systems Analyst
Virginia Tech
