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中文摘要：
为将IP业务准确分类,并根据所分优先级类别进 行高效合理的区分保护,提出一种带有业务感知分 类的网络保护策略（PSTAC）。定义信息重要度（IS）感知业务特征 ,结合贝叶斯理论建立业务优先级分类模型,并考虑不 同级别业务的QoS参数进行针对性保护。仿真结果表明,所提PSTAC实现了高精度的业务分类 ,且比传统的区分保护策略有更高的资源利用率和更低的网络阻塞率。
英文摘要：
To classify IP traffic accurately and provide a reasonable differentiat ed protection according to traffic priority,a network protection strategy with traffic aware classification （PSTAC） is proposed.It defines information significance （IS） to evaluate the features of traffic.Combined with Naive Bayesi an theory,a traffic priority model is established.Meanwhile,a targeted protection against network failure is provide d according to the quality of service （QoS） parameters of different priority traffics.The simulation results show that the proposed str ategy can achieve accurate traffic classification,and get higher resource utilization rate and lower blocking rate than traditional differentiated protection algorithm.
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