An application-level QoS comparison of inter-destination synchronization schemes for continuous media multicasting

The paper presents an application-level QoS comparison of three inter-destination synchronization schemes: the master-slave destination scheme; the synchronization maestro scheme; the distributed control scheme. The inter-destination synchronization adjusts the output timing among destinations in a multicast group for live audio and video streaming over the Internet/intranets. We compare the application-level QoS of these schemes by simulation, in which we assume an intranet. From the comparison, we clarify their features and find the best scheme in the environment. The simulation result shows that the best scheme depends on the network configurations and the acceptable inter-destination synchronization quality of the applications.

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