A look at the state of the art in server clustering. Such is the case with most of the latest hype surrounding clustering.
Vendors tout clustering as a way to boost scalability, performance and availability.
For years, vendors such as Digital, IBM, and Sun have been tying CPUs together via software and hardware techniques to boost performance and provide failover functions. The efforts have met with varying degrees of success. The technology has thousands of connected nodes in its installed base. Any component can fail and the system can keep running. Everything is hot-swappable.