![]() ![]() IP multicast enables efficient transfer of data from a set of sources to a dynamically formed set of receivers.īut, IP multicast also has its challenges. However when multiple receivers require the same data, replicating the data from the source to all the receivers as individual unicast packets increases the network load, resulting in network congestion and loss of expected QoS. In multicast applications, Internet datagrams (IP packets) are normally sent as unicast packets i.e., from one source to one destination. These multi-user applications require data flow between a set of sources and a set of receivers in real time. Multicast-enabled applications such as webinars, video/audio conferences, Internet radio/TV, and networked games are now being used widely over the Internet. Internet protocol (IP) multicast technology has matured quite a bit since it was first deployed in the late 1990s.
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