A content-based load balancing algorithm with admission control for cluster web servers
Future Generation Computer Systems
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Summary form only given. With the rapid expansion of the Internet and the increasing demand on Web servers, many techniques were developed to overcome the servers' hardware performance limitation. Mirrored Web servers is one of the techniques used where a number of servers carrying the same "mirrored" set of services are deployed. Client access requests are then distributed over the set of mirrored servers to even up the load. In this paper, we present a generic reference software architecture for load balancing over mirrored Web servers. The architecture was designed adopting the latest NaSr architectural style and described using the ADLARS architecture description language. With minimal effort, different tailored product architectures can be generated from the reference architecture to serve different network protocols and server operating systems. An example product system is described and a sample Java implementation is presented.