Software Defined Networking is a proposed architecture which aims to flatten the switching network topology and move the control function to an external entity away from the switching/forwarding entity. In the proposed architecture, different functions are segregated into 3 different layers
Open Networking Foundation (ONF) has proposed OpenFlow protocol which specifics the southbound API to dynamically configure the flow-tables within the data plane forwarding entities (switching fabric).
At HSC we understand that SDN is an evolving area and opens up new software development opportunities.
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