Re: Load Balanceing Recommendations

From: Michael Conlen (m_at_obmail.net)
Date: 01/31/05

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    Date: Mon, 31 Jan 2005 17:26:35 -0500
To: Nick Pavlica <linicks@gmail.com>

    On Jan 31, 2005, at 5:11 PM, Nick Pavlica wrote:

    > All,
    > I have been searching for a load balancing tool/method for managing
    > the traffic going to my web servers(http(s)). I have found a number
    > of tools/methods out there, but haven't found any that stand out as
    > the "Common Solution" to this task on FreeBSD (I may be overlooking
    > the obvious :)). I'm currently testing on FreeBSD 4.11 and 5.3 on
    > x86.
    >
    > - What method/tool do you use or recommend based on your production
    > experience?

    I've used two methods that have worked well. One is to use a FreeBSD or
    OpenBSD as a router and use PF to do the load balancing. The downside
    with this method is that it doesn't sense when a server is down and
    remove it from the pool of servers. I also haven't done weighted load
    balancing with this method so I can't evaluate it.

    The second method I've used is using a Foundry switch with a load
    balancer built in to it. This is nice when 1) you don't want to use a
    FreeBSD or OpenBSD system as a router and 2) you want it to do health
    checks to remove a down system from the pool automatically. It works
    really well, the downside being the cost. 

    --
Michael Conlen
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