High-performance platform for Internet services.
BSEditor: SEDA is a robust, high-performance platform for Internet services capable of supporting massive concurrency (on the order of tens of thousands of simultaneous client connections) and avoid the pitfalls which arise with traditional thread and event-based approaches.

The Staged Event-Driven Architecture (SEDA) is a framework for building scalable, high-performance Internet services that are capable of sustaining enormous variations in load. you can free download SEDA 3.0 now.