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  1. #1
    Join Date
    Sep 2005
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    London
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    list of virtual load balancers?

    Guys, I am trying to compile a list of virtual/software loadbalancer appliances.

    So, setups like:
    HAproxy
    Zeus
    Loadbalancer.org
    Kemp
    Citrix
    jetNEXUS
    etc.

    Could you help me get a full list of suppliers ?

    Thanks a lot for your help!


    D
    Ditlev Bredahl. CEO,
    OnApp.com & SolusVM.com + Cloud.net & CDN.net

  2. #2
    squid can be used as one (though it's not really optimized for that and the performance leaves something to be desired in some areas)

    nginx of course

    perlbal can be used similarly to nginx but is slower. Last I looked into perlbal, I believe it had more features than nginx that might be useful to you if you're looking to run a load balancer app.

    I *think* varnish can be used as one, but don't quote me on that.

    All of the above are reverse proxies primarily, but can usually be used in more complicated load balancing situations.

    nginx and squid are good for SSL support as HAProxy doesn't support that last I heard.

    squid is also good if you need to mangle the url or hostname being requested before passing it along, as it supports using a url_rewriter program on each request. The caching features of squid (and to a lesser extent nginx) can be useful in some reverse proxy / load balancing scenarios as well, if the upstream server sends along the appropriate caching headers. That said, the squid caching is not particularly efficient from a disk i/o perspective, so it can cause more harm than good if you don't know what you're doing.
    Last edited by funkywizard; 02-28-2011 at 07:39 AM.
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  3. #3
    Join Date
    Aug 2004
    Posts
    616
    You could also take a look at : Balance
    BGP GRID
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  4. #4
    Join Date
    Feb 2008
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    Houston, Texas, USA
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    Quote Originally Posted by funkywizard View Post

    I *think* varnish can be used as one, but don't quote me on that.
    Yes confirmed. It can. In fact, it's got some neat features like LB by URL, IP, etc. Another advantage of Varnish is that malloc() is not being called left and right for each header. A large chunk is malloc'ed initially and then reused for new connections. This helps with performance when under heavy traffic.

    Regards
    UNIXy - Fully Managed Servers and Clusters - Established in 2006
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  5. #5
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    Ashburn VA, San Diego CA
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    PFSense can also do load balancing.
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  6. #6
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    Location
    Detroit
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    BalanceNG is another good software load balancer.

    http://www.inlab.de/balanceng/index.html
    managedway
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  7. #7
    Join Date
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    London
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    thanks guys - very helpful, appreciate it. Keem 'em coming
    Ditlev Bredahl. CEO,
    OnApp.com & SolusVM.com + Cloud.net & CDN.net

  8. #8
    Join Date
    May 2003
    Location
    San Francisco, CA
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    * GeekStorage.com, LLC - Offering awesome website hosting for over 9 years!
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  9. #9
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    Jun 2000
    Location
    Washington, USA
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    lighttpd can be used for load balancing.

  10. #10
    Join Date
    Oct 2008
    Location
    Iowa
    Posts
    111
    Varnish works quite well as a load balancer - there are some very large and complex installs out on our floor that are being managed with varnish.
    Isaac Helgens
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  11. #11
    Join Date
    Aug 2008
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    We're running LVS Linux Virtual Server.

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