计算机科学 ›› 2014, Vol. 41 ›› Issue (5): 64-67.doi: 10.11896/j.issn.1002-137X.2014.05.014
何盼,袁月,吴开贵
HE Pan,YUAN Yue and WU Kai-gui
摘要: 针对分布式系统松耦合和动态配置的特点,提出采用监控资源分配进行组件监控周期的选择以达到可靠性保障和资源优化的目的。为了建立监控资源分配模型,首先采用马尔可夫链理论分析了监控策略下的系统可靠性模型;其次分析了监控机制的两种不同代价;再次选择了系统可靠性约束下的多目标监控资源分配模型,它通过最小化监控代价选择恰当的组件监控周期;最后 应用 遗传算法解决该优化模型。通过实验验证了监控资源分配的必要性和在可靠性优化中的作用,实验表明:监控资源分配能够达到资源优化和可靠性保障的目的;与单目标资源分配相比,多目标分配能够达到更好的优化效果。
[1] Ben H R,Emna F,Khalil D,et al.A large-scale monitoring and measurement campaign for Web Services-based applications [J].Concurrency Computation Practice and Experience,2010,22(10):1207-1222 [2] He Pan,Wu Kai-gui,Wen Jun-hao, et al.Monitoring resources allocation for service composition under different monitoring mechanisms[C]∥Proceedings of 5th International Conference on Complex,Intelligent and Software Intensive Systems,2011.Washington,D C:IEEE Computer Society,2011:263-270 [3] Dai Yu,Yang Lei,Zhang Bin.QoS-driven self-healing Web ser-vice composition based on performance prediction [J].Journal of Computer Science and Technology,2009,24(2):250-261 [4] Yu Tao,Lin K-J.Adaptive algorithms for finding replacement services in autonomic distributed business processes[C]∥Proceedings of International Symposium on Autonomous Decentra-lized Systems,2005.Washington,D C:IEEE Computer Society,2005:427-434 [5] Girish C,Koustuv D,Arun K,et al.Adaptation in Web Service composition and execution[C]∥Proceedings of IEEE International Conference on Web Services,2006.Washington,D C:IEEE Computer Society,2006:549-557 [6] Gerardo C,Di P M,Raffaele E,et al.QoS-aware replanning ofcomposite Web services[C]∥Proceedings of IEEE International Conference on Web Services,2005.Washington,D C:IEEE Computer Society,2005:121-129 [7] Rüdiger R.Reliability analysis—a review and some perspectives [J].Structural Safety,2001,23(4):365-395 [8] Gokhale S S,Trivedi K S.Analytical models for architecture-based software reliability prediction:A unification framework [J].IEEE Transactions on Reliability,2006,5(4):578-590 [9] Gokhale S S.Architecture-based software reliability analysis:Overview and limitations [J].IEEE Transactions on Dependable and Secure Computing,2007,4(1):32-40 [10] Wang Li-jun,Bai Xiao-ying,Zhou Li-zhu,et al.A hierarchical reliability model of service-based software system[C]∥Procee-dings of 33rd Annual IEEE International Computer Software and Applications Conference,2009.Washington,D C:IEEE Computer Society,2009:199-208 [11] Wang Zai,Tang Ke,Yao Xin.Multi-objective approaches to optimal testing resource allocation in modular software systems [J].IEEE Transactions on Reliability,2010,59(3):563-575 [12] Xia Yun-ni,Wang Hanp,Huang Y,et al.A stochastic model for workflow QoS evaluation [J].Scientific Programming,2006,14(3/4):251-265 [13] Directory of Public Soap Web Services[EB/OL].http://www.service-repository.com |
No related articles found! |
|