![]() ![]() To identify this client group, a multicast address is used.Ī multicast address is associated to a group of clients specifying an interest in receiving a multimedia content dataflow. ![]() The group has no physical or geographical limits and only those clients interested in the multimedia content specifically join the said group through IGMP messages. ‘Multicast Group’ ConceptĪ group of clients request a specific data flow. By using multicast mechanism in these cases, you save an enormous amount of network resources and additionally improve the multicast content transmission. The main advantage of multicast mechanisms versus other possibilities is real time transmission for multiple clients. Multicast: this only requires a minimum bandwidth as only those clients wanting the multimedia content receive the data flow.Broadcast: multimedia content is sent to all the network clients independently of whether they want it or not.Unicast: each client requiring multimedia content needs an individual data flow.There are a series of mechanisms that can send multimedia content from a server to a client but clearly the most important and efficient is the multicast mechanism. What however, makes this possible? The ‘Multicast’ Concept’ ![]() A user connects to the server which in turn sends the multimedia content. Streaming allows a user to view or listen, to this content without previously downloading it. Multimedia streaming is increasingly present in our lives. ![]()
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