PVM: a framework for parallel distributed computing
Concurrency: Practice and Experience
ONE-IP: techniques for hosting a service on a cluster of machines
Selected papers from the sixth international conference on World Wide Web
Locality-aware request distribution in cluster-based network servers
Proceedings of the eighth international conference on Architectural support for programming languages and operating systems
Network dispatcher: a connection router for scalable Internet services
WWW7 Proceedings of the seventh international conference on World Wide Web 7
MPI: The Complete Reference
A scalable and highly available web server
COMPCON '96 Proceedings of the 41st IEEE International Computer Conference
LSMAC: An improved load sharing network service dispatcher
World Wide Web
Cyclone: A High-Performance Cluster-Based Web Server with Socket Cloning
Cluster Computing
Effects of processing delay on function-parallel firewalls
PDCN'06 Proceedings of the 24th IASTED international conference on Parallel and distributed computing and networks
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Server scalability is more important than ever in today's client/server dominated network environments. Recently, researchers have begun to consider cluster-based computers using commodity hardware as an alternative to expensive specialized hardware for building scalable Web servers. In this paper, we present performance results comparing two cluster-based Web servers based on different server architectures: OSI layer two dispatching (LSMAC) and OSI layer three dispatching (LSNAT). Both cluster-based server systems were implemented as application-space programs running on commodity hardware in contrast to other, similar, solutions which require specialized hardware/software. We point out the advantages and disadvantages of both systems. We also identify when servers should be clustered and when clustering will not improve performance.