Abstract
This Paper based on the research framework ofSDN, at the transport layer uses theOFDMtechnology transfer, namely encapsulate traffic for high speed large capacity transmission in the spectrum. Under the architecture ofSDNbased on p-cycle of new protection algorithm (EffectiveGrow algorithm) to protect spectrum, and using classic p-cycle algorithm turns compare with it, through theJAVAbuilding the pan-europeanCOST239network topology, comparison algorithm between the various performance indicators. Finally, the simulation results show that compared with the existing classic algorithm has better performance and is suitable for theSDNcapacity and configuration.
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