Congestion avoidance and control
SIGCOMM '88 Symposium proceedings on Communications architectures and protocols
Transport and display mechanisms for multimedia conferencing across packet-switched networks
Computer Networks and ISDN Systems - Special issue on a multi-dimensional view of multimedia
Interactive Distance Learning Over Intranets
IEEE Internet Computing
WET-ICE '96 Proceedings of the 5th International Workshops on Enabling Technologies: Infrastructure for Collaborative Enterprises (WET ICE'96)
Resource sharing for multi-party real-time communication
INFOCOM '95 Proceedings of the Fourteenth Annual Joint Conference of the IEEE Computer and Communication Societies (Vol. 3)-Volume - Volume 3
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In new collaborative multimedia applications, there is a need for overall control, beyond the level of quality of service (QoS) as pertaining to individual streams in isolation of others. At every instant in time, the quality of the session, as perceived by the end user, depends on the priorities of the on-going streams, according to the application semantics, as well as on the actual QoS offered by the system to each of these streams. We introduce the concept of ``Quality of Session'' control. This is achieved by employing a monitoring mechanism for measuring the perceived QoS of each stream. In addition, in order to react to existing or potential bottlenecks in the network or end-systems, or skewness in the synchronization of views, an inter-stream adaptation mechanism is applied.