1. Cardellini V, Casalicchio E. The State of the Art in Locally Distributed Web-Server SystemsACM Computing Surveys, 2002,34(2): 1–49.
2. Zeng Bi-qing, Ye Xiao-zhou, Chen Zhi-gang,et al. Availability Analyses and Design of the Web Cluster.System Computer Engineering, 2004,40 (10):11–13.
3. Qian Fang, Jia Yan. A Dynamic Fault Tolerant Algorithm for Improving Performance of Redundant Services.Journal of Software, 2001,12(6):928–935(Ch).
4. Oh Ying-feng, Son Sang-hen. Scheduling Hard Real-Time Tasks with Tolerance of Multiple Processor Failures.Microprocessing and Mcroprogramming, 1994,40: 193–206.
5. Piestman A L. A Fault-Tolerant Scheduling Problem.IEEE Trans on Software Engineering, 1988,12: 1089–1095.