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发明公开
CN103401794A 一种面向大规模应用的软件定义网络控制优化方法 有权 转让

一种面向大规模应用的软件定义网络控制优化方法
摘要：
本发明提供了一种面向大规模应用的软件定义网络控制优化方法包括如下步骤：1：OpenFlow控制器分析OpenFlow流表后将决策控制域划分为N个决策区；2：OpenFlow控制器将决策区的数据包转发规则更新至OpenFlow决策交换设备中；3：OpenFlow入口交换设备分析数据包后将其发送至OpenFlow出口交换设备或将数据包的转发路径请求流表转发至OpenFlow决策交换设备；4：OpenFlow决策交换设备分析转发路径请求流表，并将数据包转发至与数据包转发规则相应的OpenFlow出口交换设备；5：OpenFlow控制器将数据包转发规则更新至OpenFlow入口交换设备。和现有技术相比，本发明提供的面向大规模应用的软件定义网络控制优化方法能够有效降低网络的往返时延，数据包对控制器的依赖度，提高网络吞吐量，适用于大规模的网络应用。
摘要（英）：

The invention provides a software defined network control optimization method facing large-scale application. The software defined network control optimization method comprises the following steps: 1, an OpenFlow controller analyzes an OpenFlow flow table and divides a decision control region into N decision regions; 2, the OpenFlow controller updates a data packet forwarding rule of the decision regions into OpenFlow decision switching equipment; 3, OpenFlow entrance switching equipment analyzes a data packet and sends the data packet to OpenFlow exit switching equipment or forwards a forward path request flow table of the data packet to the OpenFlow decision switching equipment; 4, the OpenFlow decision switching equipment analyzes the forward path request flow table and forwards the data packet to the OpenFlow exit switching equipment corresponding to a forwarding rule; 5, the OpenFlow controller updates the forwarding rule of the data packet to the OpenFlow entrance switching equipment. Compared with the prior art, the software defined network control optimization method facing the large-scale application provided by the invention can effectively reduce the round-trip-delay of a network and the dependency of the data packet on the controller, improves the network throughput, and is applicable to large-scale network application.

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