A deterministic communication protocol for distributed real-time systems

The authors describe an efficient communication protocol for transmitting time-constrained messages in a time-division multiple-access local area network. The proposed protocol differs from traditional protocols in this category in that it uses the bandwidth of the medium more effectively by explici...

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Bibliographic Details
Main Authors: van Dijk, G.J.W., van der Wal, A.J.
Format: Conference Proceeding
Language:English
Subjects:
Access protocols
Bandwidth
Delay
Local area networks
Network topology
Physical layer
Physics
Real time systems
Time division multiple access
Time factors
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Summary:The authors describe an efficient communication protocol for transmitting time-constrained messages in a time-division multiple-access local area network. The proposed protocol differs from traditional protocols in this category in that it uses the bandwidth of the medium more effectively by explicitly passing the mastership between stations. In the present protocol, the drawback inherent to fixed-master protocols, viz., imposing a star topology in a multiple-access environment. is resolved, resulting in shorter response times. The proposed protocol provides for the fair passing of the mastership between stations, thus guaranteeing the same response times for all stations. The mastership-passing protocol has been implemented and extensively tested in a 2.5 Mb/s real-time network.< >
DOI:10.1109/LCN.1988.10204