A synchronization framework for communication of pre-orchestrated multimedia information

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Abstract
The authors propose a communication and presentation model called XOCPN, which can specify temporal relationships for the presentation of pre-orchestrated multimedia data, and communication requirements for the timely delivery of these data through multiple virtual circuits (MVCs). In particular, XOCPN contains connection set-up for guaranteeing required QoS parameters for efficient delivery of multimedia data, and various grains of stream synchronization (e.g., intra-stream synchronization, inter-object synchronization, and interstream pacing). The source and the destination interact in harmony and carry out different functions embedded in the transmitter and the receiver XOCPNs to accomplish synchronous playout of multimedia data. A protocol architecture and a set of service primitives have been proposed for the realization of the proposed model in a practical environment. Subsequently, the authors present a communication architecture that can be implemented using an ATM-based network, due to its flexibility in handling various types of traffic.

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