SDN : Development , Adoption and Research Trends ( A Survey of Research Issues in SDN ) (original) (raw)
Controlling and managing networks has become a highly complex and specialized activity. Network operators are struggling to cope with integration of different types of networks, while meeting the challenges of increasing traffic. The traditional network tends to be rigid. Once the forwarding policy has been defined, the only way to change it is by changing the configuration of all the affected devices. This is time consuming and puts a limit on scalability and meeting challenges of mobility and big data. In this context software defined networking (SDN) is being looked upon as a promising paradigm that has the power to change the way networking is done. By centralizing control, and making forwarding nodes simple, SDN offers flexible control over the traffic flows and the policies networks use to manage these flows. Along with the excitement, there have been apprehensions regarding SDN. The perceived risks associated with SDN have prevented faster adoption so far. There have been a n...
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