Cloud infrastructure platforms like VMware vSphere 4.0 can significantly benefit from load balancers that connect users to the most suitable datacenter. This white paper outlines how the Riverbed Stingray Traffic Manager Virtual Appliance (VA) improves traffic performance figures compared to a Linux install. Benchmarks used include layer 4 connections and requests per second, HTTP connections and requests per second, HTTP 2K requests per second, HTTP throughput, SSL connections per second, SSL throughput, cache requests per second, and cache throughput.