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Anonymous Coward writes "Global Server Load Balancing is the automatic routing of users to the nearest / fastest server to them based on their source IP. Typically a Global Server Load Balancing solution requires expensive application switches at each site, and additional software licenses that run into the thousands of dollars. Issue 6 of o3 magazine, the free open source / enterprise digital magazine has end-to-end coverage on deploying Global Server Load Balancing with open source projects. This is not Linux Virtual Server, its not heartbeat or netfilter, this is a brand new Layer 7 solution using Nginx, Mongrel, Varnish Cache and OpenVPN. Find out all the details, including the configuration by visiting o3 magazine." Link to Original Source