Some of the features and applications of private business networks are reviewed and a fast packet technique that could be hosted on an operational Anik spacecraft in the mid-nineties is described. Current proposed on-board switching architectures are based on the circuit switched technique common to terrestrial central offices and satellite Demand Assignment Multiple Access (DAMA) systems. These architectures were first developed when the primary application for satellite communications was point to point voice trunking. Future business networks will be required to carry not only voice and circuit switched data/video traffic, but also highly bursty traffic encountered in connecting high speed local area networks. Also they will need to offer point to multipoint service. Candidate architectures for future business applications will be based on hybrid circuit/packet switches or advanced fast packet switches. These will be combined with suitable network management and congestion control techniques to ensure proper availability and delay characteristics for delay sensitive traffic. These techniques offer a more flexible approach to the handling of a diverse services mix, but require greater autonomous operation of the on board switching payload.
Fast Packet Based on-Board Switching for Advanced Business Services
1991
10 pages
Report
Keine Angabe
Englisch
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