The interdisciplinary study of coordination
ACM Computing Surveys (CSUR)
Communications of the ACM
Receiver-driven layered multicast
Conference proceedings on Applications, technologies, architectures, and protocols for computer communications
Successful multiparty audio communication over the Internet
Communications of the ACM
Experience with control mechanisms for packet video in the internet
ACM SIGCOMM Computer Communication Review
Proceedings of the third annual conference on Autonomous Agents
Managing Computer Networks: A Case-Based Reasoning Approach
Managing Computer Networks: A Case-Based Reasoning Approach
Semantics for an agent communication language
Semantics for an agent communication language
Adaptive coding schemes for support of multicast audio to wireless devices
Computer Communications
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We present a control model, which provides response time and bandwidth requirement adaptation in audio, video, and application sharing multipoint IP teleconferences for emerging wireless multimedia communications. The model is based on revealing feedback controls for multimedia call preparation and subsequent real time connection control. Case-based reasoning memory is used to associate real time congestion (connection) controls with call preparation controls and user QoS profiles. Web agents are used to capture user and application multimedia call profiles observed at the application layer and transfer them into the case memory. RTP statistics are used to identify the connection management feedback controls for the network layer. Real-time adaptation at the network layer and above is made possible by using hierarchical coding techniques. The proposed adaptive management architecture is illustrated by a case memory representation of call preparation feedback controls, RTP feedback control tests for providing audio stream bandwidth adaptation, and configuration of integrated experiments.