A model of computer system security operation is developed based on the fork-join queueing network formalism. We introduce a security operation performance measure, and show how it may be used to performance evaluation of actual systems.

翻译：基于分叉-连接排队网络形式体系，建立了计算机系统安全运行的模型。我们引入了一种安全运行性能度量指标，并展示了如何将其用于实际系统的性能评估。