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System and method of traffic inspection and stateful connection forwarding among geographically dispersed network appliances organized as clusters
System and method of traffic inspection and stateful connection forwarding among geographically dispersed network appliances organized as clusters
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机译:在组织为集群的地理位置分散的网络设备之间进行流量检查和状态连接转发的系统和方法
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摘要
A peering relationship among two or more network appliances is established through an exchange of control messages among the network appliances. The peering relationship defines a cluster of peered network appliances, and at each network appliance of the cluster traffic flow state information for all the network appliances of the cluster is maintained. Network traffic associated with traffic flows of the network appliances of the cluster is managed according to the state information for the traffic flows. This managing of the network traffic may include forwarding among the network appliances of the cluster (i.e., to those of the appliances handling the respective flows) at least some of the network traffic associated with one or more of the traffic flows according to the state information for the one or more traffic flows. The traffic flows may be TCP connections or UDP flows.
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