SDN enables programming the network from the application layer and enables users to dynamically manage network traffic based on the changing environment. This disruptive technology also paves the way to automate network provisioning, regulate traffic patterns without altering the existing physical networking infrastructure, while delivering Network and Security services in a much faster, efficient, and centralized manner and which is widely supported by many vendors like Ericsson, Juniper, Cisco, AT&T, etc. Because of its disruptive nature, there would be multiple thought processes which we need to deeply explore from various perspectives including applications like Cloud computing, UC, etc., which are currently deployed with or without any SDN concepts.
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