The rapport multimedia conferencing system
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ACM Transactions on Computer Systems (TOCS)
CHI '90 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
MMConf: an infrastructure for building shared multimedia applications
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Communications of the ACM
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ACM Transactions on Computer Systems (TOCS)
Communications of the ACM
An efficient, fault-tolerant protocol for replicated data management
PODS '85 Proceedings of the fourth ACM SIGACT-SIGMOD symposium on Principles of database systems
ACM Transactions on Computer Systems (TOCS)
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WDAG '92 Proceedings of the 6th International Workshop on Distributed Algorithms
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Proceedings of the International COST 237 Workshop on Multimedia Transport and Teleservices
Research: Communication support for cooperative work
Computer Communications
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Multimedia teleconferencing over dynamic wide area networks raises certain issues. Chief among them is how the coordination, control and state synchronization functions required in conference control will be implemented in the presence of message loss, topological changes and changes in conference participation. In this paper, we describe an approach based on distributed membership protocols to derive a robust framework for conference control in dynamic environments. Our protocols function in the presence of partitioning network failures, and they ensure that consistent membership information is eventually installed at all participant sites in the same network partition. It is shown that these protocols can aid in implementing many conference control functions in a simple manner.