Agreed. I prefer to stick with a hardware based LB solution. How  would you
do this with a router? Wouldn't that merely allow you to direct certain
traffic to different, but still specific single servers rather than load balancing
traffic to "mirrored" farms of servers?
 
Has anyone tried running and IMail farm behind a layer 4 switch?
 
John Miller
SAMnet
 
 -----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Dave Koontz
Sent: Tuesday, May 02, 2000 8:37 PM
To: [EMAIL PROTECTED]
Subject: Re: [IMail Forum] IMAIL 6.03 How do I Config to load balance behind a Cisco 6509

I am sorry, but this does not sound at all like "Load Balancing". Why should you have to "Segment" your user base?  In a true Load Balancing server scheme, multiple servers would answer to the same IP Address - based on server load, and all would use the same exact user base on an external device available to each server.  It should be a 100% "automated" system - NOT partially manual.  All currently available servers play....equally!   Not just the which outgoing SMTP servers are active game, which does nothing for POP, HTTP, IMAP or other "user" access.
 
If you are counting on WLBS, you need to do some serious research --- it is a clustering solution at best, with tremendous overhead.  TRUE load balancing can be handled easily at the router level or with software such as Resonate's Central Command.

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