Multicast is a technology that allows transmission of data efficiently from one server to multiple recipients at once. To use this technology, required devices and systems that support multicast such as router/switch that supports IGMP. Software Defined Networking (SDN) and OpenFlow has emerged as a new paradigm in networking. With SDN, network is no longer closed, proprietary, and difficult to program. With OpenFlow we do not need IGMP protocol and specific hardware, as OpenFlow can set / program entire network through the controller. Then author made an application “Lcast video streaming” Floodlight OpenFlow-based controller.
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