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1. What does Flow Switch mean?
2. In SDN, what is the difference between OpenFlow and Open vSwitch?
SDN stands for Software Control Network. The device that controls the network is the SDN controller, which is independent of the routers and switches in the network. The SDN controller communicates with other devices in the network to control them, such as writing routing tables. Other devices also report to the SDN controller, such as reporting the discovery of new network traffic. During this process, the communication protocol is OpenFlow, and the switch in the network supports this protocol. OpenVSwitch is a software (program component) that appears as a switch that supports the OpenFlow protocol in network simulation systems. OpenVSwitch is not hardware. Compared to physical switches that support OpenFlow, OpenVSwitch has these differences: the computing power (traffic throughput) of real-world switches is limited by hardware factors such as physical memory, processors, and bandwidth for Ethernet communication. OpenVSwitch is software that is controlled by the operating system during runtime. For some of the rough and empty protocol works of OpenFlow, their implementation details are not specified in the protocol standards, and the implementation details of OpenVSwitch may vary among different vendors.
What does 3. flow switch mean?
A flow switch i


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