Spirent TestCenter OpenFlow switch emulation, now part of VIAVI, enables scalable testing of OpenFlow controllers by emulating real switches and links across a wide range of topologies. It removes the complexity of assembling large physical switch environments by allowing rapid creation of one to thousands of virtual switches. This emulation stresses controller performance, behavior, and scalability under realistic network conditions. Once a topology is created, the system can fully exercise OpenFlow control functions, helping users validate controller robustness, responsiveness, and interoperability in SDN deployments.

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