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Network: A Multiprocessor Program

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Pubblicato in:IEEE Transactions on Software Engineering vol. 4, no. 3 (May 1978), p. 194
Autore principale: Hansen, P B
Pubblicazione:
IEEE Computer Society
Soggetti:
Real time
Programming languages
Multiprocessing
Computer programming
Computer networks
Operating systems
Computer science
Communication
Software engineering
PASCAL
Software
Accesso online:Citation/Abstract
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Abstract:A multiprocessor network consists of a fixed number of processor nodes which are connected cyclically by unidirectional bus links. The bus links are used to implement a fixed number of virtual channels connecting a fixed number of processes. A message consists of a request followed by a response, a system that causes a message to pass through all nodes at once. Each node operates on a first-come, first served queueing system with a finite buffer capacity. The advantages of such a network include: 1. No transmission takes place unless it is requested. 2. Messages are not discarded due to buffer overflow. 3. The network cannot deadlock. 4. All messages are delivered within a finite time. 5. Transmission times are uniform. 6. Space and time requirements are proportional to the size of the network. Such a network system has been programmed in Concurrent Pascal, although modifications may be needed to handle hardware errors. Figures.
ISSN:0098-5589
1939-3520
DOI:10.1109/TSE.1978.231498
Fonte:ABI/INFORM Global