Opendaylight is a project which promotes the Software Defined Networking.
Officially started on April -8th-2013.
The linux foundation planned an pivotal role in it, but it’s a consortium and multiple tech companies are partnered to led the SDN.
Its based on Eclipse Public License – v 1.0 (EPL).
Software defined networking is a research area which let a network to program, It also output network control applications, and those applications are to control the network
A network formed by the openflow enabled switch.
Controller Platform provides the OPEN APIs to program the network.
Controller Applications control the network based on the needs