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the processing rule storage
Vertaling van "the processing rule storage" in Chinees
在处理规则存储
On receiving the data packet, the forwarding node 21 searches for a processing rule having a matching rule (reference rule) that matches the received packet, from the processing rule storage unit 17B. However, since the packet is a first packet from the communication terminal 131 with a destination of the communication terminal 134, a relevant processing rule does not exist. Therefore, after buffering the received packet, the forwarding node 21 transmits a new flow detection notification to the control device 10 (S202 in Fig. 7). This new flow detection notification includes information necessary for identification and creation of a processing rule (for example, MAC address, IP address, port number (each including both a source and a destination)), and packet reception port information.
［0067］ 接收到数据包时，所述转发节点21在处理规则存储单元17B中搜索具有匹配接收包的匹配规则（参考规则）的处理规则。但是，由于所述包为从通信终端131到通信终端134的第一个包，并不存在相关处理规则。因此，在对接收包进行缓冲之后，所述转发节点21将新流检测通知发送给控制装置10（图7中的S202）。该新流检测通知包括识别和创建处理规则所需的信息（例如，MAC地址、IP地址、端口号（每个端口号均包括来源和目的地）），以及包接收端口信息。
On receiving the data packet, the forwarding node 21 searches for a processing rule having a matching rule (reference rule) that matches the received packet, from the processing rule storage unit 18B. However, since with regard to this packet, the port number used for the first data packet is different, no relevant processing rule exists. Therefore, after buffering the received packet, the forwarding node 21 transmits a new flow detection notification to the control device 10 (S206 in Fig. 7).
［0080］ 接收到数据包时，所述转发节点21在处理规则存储单元18B中搜索具有匹配接收包的匹配规则（参考规则）的处理规则。但是，由于用于第一数据包的端口号与该包不同，并不存在相关处理规则。因此，在对接收包进行缓冲之后，所述转发节点21将新流检测通知发送给控制装置10（图7中的S206）。
The processing rule management unit 17A performs management regarding what type of processing rule is set in which forwarding node. Specifically, a result calculated in the action computation unit 13 is recorded in the processing rule storage unit 17B as a processing rule, and the processing rule is set in the forwarding node, and recording information of the processing rule storage unit 17B is updated in response to a case also where a change occurs in the processing rule set in the forwarding node, by a processing rule deletion notice from the forwarding node.
［0039］ 所述处理规则管理单元17A对在哪个转发节点中设置哪种类型的处理规则进行管理。特别地，动作计算单元13计算的结果记录在处理规则存储单元17B中，作为处理规则，所述处理规则被设置在转发节点中，处理规则存储单元17B的记录信息在转发节点中设置的处理规则发生变化的情况下通过转发节点的处理规则删除通知而更新。
It is to be noted that, in the abovementioned configuration, in a case where it is not necessary to hold a processing rule in the control device 10, the processing rule storage unit 17B can be omitted. In addition, a configuration can also be adopted in which the processing rule storage unit 17B and the path information storage unit 18B are provided in a separate external server or the like.
［0046］ 应注意的是，在上述配置中，在不需要在控制装置10中保留处理规则的情况下，可省略所述处理规则存储单元17B。另外，还可采用处理规则存储单元17B和路径信息存储单元18B设于单独的外部服务器等之内的配置。
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