Issue No. 05 - September/October (2002 vol. 6)
<p>There are two basic approaches to scaling Web clusters, and simple queuing theory provides a reasonable abstraction level for examining the average response time, capacity, cost, and reliability trade-offs involved.</p>
D. Menascé, "Tradeoffs in Designing Web Clusters," in IEEE Internet Computing, vol. 6, no. , pp. 76-80, 2002.