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COST 11 bis - Forschungsarbeiten zur Teleinformatik, insbesondere zur Leistungsbewertung lokaler Netzwerke.

COST 11 bis - research in teleinformatics, in particular performance analysis of local area networks
: Heger, D.; Watson, K.

FhG-Berichte (1983), Nr.2, S.47-51 : Abb.,Tab.,Lit.
ISSN: 0342-1953
Fraunhofer IITB ( IOSB) ()
Bewertung; COST 11; Leistung; Netzwerk(lokal); Teleinformatik

COST (Cooperation Scientifique et Technique) 11 bis promotes European cooperative research in the field of teleinformatics with the aim of facilitating the development of common, standardized solutions to multinational problems. The IITB is actively involved in the COST 11 bis working group on "Performance Analysis of LANs" as part of a larger project on local area networks. The working group investigates the impact of access and priority access mechanisms on the real time performance of "LANs" and gives tools for the comparison and ranking of "LANs". Here we outline the group's research results (1) on the fundamental performance behaviour of various LAN classes and present a method of specifying benchmark load patterns including priorities. Message priorities, an essential feature of real time systems, have been included in TWENTENET, a CSMA/CD system extending ETHERNET and which is also presented in (1). The IITB is undertaking a detailed study of priority mechanisms in LANs, for whi ch the IITB's interactive graphical CAD system (2) will be invaluable. (IITB)