Free Software Load Balancer for Exchange and Lync

Hi,

I am looking for free software Load Balancer for one of the production Exchange/Lync  environment. i checked Ha-proxy (Free version ) . if anybody having any other tool, please share with me.
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Manoj BojewarAsked:
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Greg HejlConnect With a Mentor Principal ConsultantCommented:
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gheistCommented:
What is Ha-Proxy? I have never heard of such product... Is it something funny like HaHaHa proxy?
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btanExec ConsultantCommented:
there is haproxy since a long time proxying for TCP and HTTP-based applications - http://www.haproxy.org/#feat
At least its Exchange 2010 HAProxy VLB Appliance is a free Layer 4 based virtual load balancer that runs in VMware or Hyper-V environments. In fact there is Microsoft NLB (Network Load Balancer), a sw load balancer too but it has not been impressing many network folks (e.g.in the Multicast Mode, severe Multicast Storm and chunk up LAN bandwidth while Exchange Hub Transport /Client Access Servercan be looking at unicast instead, need some hard pulling). HAproxy may be worth while since there are also many article on its setup too e.g. http://www.stevieg.org/e2010haproxy/

there are vmware or virtural instance of LB as well from F5 vLTM, A10 vThunder and Kemp. one comparison for info http://kemptechnologies.com/sg/compare-kemp-f5-big-ip-citrix-netscaler-virtual-load-balancers/
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