V. Cardellini, M. Colajanni, P.S. Yu, ``Dynamic load balancing on scalable Web-server systems'', IEEE Internet Computing, Vol.3, No. 3, pp. 28-39, May-June 1999.
postscript, pdf

Popular Web sites can neither rely on a single powerful server nor on independent mirrored-servers to support the ever increasing request load.
Scalability and availability can be provided by distributed Web-server architectures that schedule client requests among the multiple server nodes in a user-transparent way. In this paper we will review the state of the art in load balancing techniques on distributed Web-server systems. We will analyze the efficiency and limitations of the various approaches and their tradeoff.

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