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面向对象建模方法在性能建模中的应用研究

Keywords: 面向对象,模型,仿真,性能

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Abstract:

为了有效地建立复杂系统的性能模型,提出了基于POOSL的面向对象建模方法,将建模过程划分为面向对象的系统分析、模型设计及模型实现3个阶段.在模型实现过程中,运用了UML的状态图、顺序图和类图对系统进行抽象描述.基于面向对象建模方法,建立了IEEE802.11MAC协议的POOSL性能模型,仿真分析了adhoc网络中活跃站点数和最小竞争窗口等参数对有效吞吐量和平均延时等性能指标的影响.仿真结果表明,面向对象建模方法能有效应用于复杂系统的性能建模.

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