关键词: 随机Petri网 可执行性模型 系统性能评价 网格监控体系结构 网格监控系统 网格环境 系统模型 体系结构 随机Petri网 系统可用性 监控体系 结构建模 不可靠性

Abstract: To develop the performability model for grid monitoring architecture is helpful to enhance Quality of Service of grid monitoring system. Because of the dynamic and unreliable characters of grid environment, we must consider avariability and performance at

Key words: Stochastic petri nets, Performability model, Performance evaluation, Grid monitoring architecture