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Showing posts with the label network virtualization

what is sdn network

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what is software defined network (SDN) Software defined network main target is to get the program ability to the traditional network. In SDN one of the main functions is to network function virtualization. Mostly SDN networks used by the large networks such as Google, Microsoft, amazon cloud service IBM etc. In the Figure 1 shows the traditional network vs SDN network. In the SDN network Firewall and the load balancer in the cloud environment they are SDN support devices.in the traditional network firewall, load balancer and the web server in the local promises. Figure 1: Difference between traditional network and SDN network  In the SDN it separate the control plane and data plane Figure 2, Control plane is a logic that control the packets (decision part of the device) and the data plane is hardware part of the device. Control Plane ---- Logical part Data Plane     ---- Hardware part Figure 2: Control p...