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    • 6. 发明授权
    • Modelling network to assess security properties
    • 建模网络来评估安全属性
    • US09083748B2
    • 2015-07-14
    • US11302637
    • 2005-12-14
    • Brian Quentin MonahanAdrian John BaldwinSimon Kai-Ying Shiu
    • Brian Quentin MonahanAdrian John BaldwinSimon Kai-Ying Shiu
    • H04L29/00H04L29/06
    • H04L63/20
    • A method of assessing a network uses a model (450) having nodes (100, 110) to represent parts of the network infrastructure and the application services, and having links to represent how the nodes influence each other. Dependencies or effects of the application services are found by determining paths through the nodes and links of the model (530). Such assessment can be useful for design, test, operations, and diagnosis, and for assessment of which parts of the infrastructure are critical to given services, or which services are dependent on, or could have an effect on a given part of the infrastructure. The dependencies or effects can encompass reachability information. The use of a model having links and nodes can enable more efficient processing, to enable larger or richer models. What changes in the dependencies or effects result from a given change in the network can be determined (830).
    • 评估网络的方法使用具有节点(100,110)的模型(450)来表示网络基础设施和应用服务的部分,并具有表示节点如何相互影响的链接。 通过确定通过模型的节点和链接的路径来找到应用服务的依赖性或效果(530)。 这种评估对于设计,测试,操作和诊断以及评估基础设施的哪些部分对于给定的服务至关重要,或哪些服务依赖于或可能对特定部分的基础设施产生影响是有用的。 依赖或效果可以包括可达性信息。 使用具有链接和节点的模型可以实现更有效的处理,以实现更大或更丰富的模型。 可以确定网络中给定更改导致的依赖关系或效果发生的变化(830)。