Cluster hosting is a group of computers or servers, whose combined computational power provides a service. For a website it is the latest hosting. An obvious advantage to clustering is the even distribution of traffic across different servers, making it is less likely that a single server will go down due to overload, and improving performance as traffic is managed With Clustered Hosting Technology, customers share the power of many servers and applications are distributed in real-time. This provides a “clustered” handling of security, load balancing and important website resources. A clustered hosting offers benefits, including enhance server capacity and can able to support the various guest operating systems. The clustered hosting server is three types.