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为了解决变电站信息综合传输中的流量冲突问题,提出了依据实时侦测的网络资源状况信息,对站内传输的各类数据信息进行有效的流量控制,使系统在充分利用网络资源的情况下,能对不同服务质量(QoS)要求的信息业务提供不同的服务带宽,实现信息的综合传输。阐述了变电站信息源端自侦测的流量控制原理:采用扩展Ping方式采集网络资源状况信息;并通过简单统计算法对采集数据进行实时分析,做出网络资源状况评估;依据资源状况评估等级,变电站中各信息源端依据业务类型的QoS分级实施相应的流量控制措施。实例系统仿真结果表明,该方式可以有效地解决变电站信息综合传输中的各类数据业务流量冲突的问题,保障敏感信息的可靠实时传输。
In order to solve the problem of traffic conflict in the integrated transmission of substation information, an effective traffic control method based on real-time detection of network resource status is proposed to effectively control all kinds of data transmitted in the station. When the system makes full use of network resources, Different service quality (QoS) requirements of information services to provide different service bandwidth, to achieve the integrated transmission of information. This paper describes the flow control principle of self-detection at the information source end of substation: the extended Ping method is used to collect the information of network resource status; the collected data is analyzed in real time through simple statistical algorithm to make a network resource status assessment; In the information source end according to the type of business QoS classification implementation of the corresponding flow control measures. The simulation results of the example system show that this method can effectively solve the problem of traffic conflicts of all kinds of data in the integrated transmission of substation information, and guarantee the reliable and real-time transmission of sensitive information.