SWsoft has joined the Standard Performance Evaluation Corp. (SPEC) as part of its new working group to develop standard methods of comparing virtualization performance for data center servers. SPEC is a non-profit organization that establishes, maintains and endorses standardized benchmarks to measure the performance of the newest generation of high-performance computers. SWsoft is the maker of Virtuozzo operating system virtualization software, which allows a single Linux or Windows OS instance to be dynamically partitioned into multiple, highly-efficient virtual environments.