RE: ISA Arrary - redunant/failover?
- From: "Geldrop, Paul van" <paul.van.geldrop@xxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 8 Sep 2005 09:56:46 +0200
Options available to you:
- Use an Enterprise edition array consisting of multiple ISA servers.
This will ensure connectivity for your LAN clients should one of the servers
fail. It will, however, not ensure connectivity in case your WAN-connection
goes bye-bye.
- Use an Enterprise edition array consisting of multiple ISA servers and a
redundant WAN connection
This will ensure connectivity for your LAN clients should one of the servers
fail. Using a product like Rainconnect (correct me if I'm wrong, gentlemen ?),
will ensure connectivity in case your WAN-connection goes bye-bye.
Of course, there are other points of failure you will have to consider
(redundant switches/routers at LAN-level, etc). Question is, how desperate are
you to maintain Web access for your clients ?
You will not be able to realise this scenario with one ISA 2000 Server.
You will have to examine the various options and identify the one component in
your set-up that is most likely to fail. Or, if you have enough budget for it,
implement all of the options. :P
PS: You can also Standard edition arrays, but you will have to configure NLB
manually and maintain an actual configuration on both servers through
import/export-procedures instead of being able to use central storage for the
ISA array configuration.
Regards,
Paul.
________________________________
From: Danny [mailto:nocmonkey@xxxxxxxxx]
Sent: Wed 9/7/2005 5:43 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] ISA Arrary - redunant/failover?
http://www.ISAserver.org
Goal: provide LAN clients with redunant access to the web, where
current configuration consists of one ISA 2000 server.
Would an ISA array be most suitable to accomplish this goal, or NLB,
or just another router/gateway?
Thank you,
...D
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