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Deadline first scheduling in switched real-time Ethernet - deadline partitioning issues and software implementation experiments
Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Inbyggda system (CERES).
Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), Inbyggda system (CERES).ORCID-id: 0000-0002-6526-3931
Vise andre og tillknytning
2002 (engelsk)Inngår i: Euromicro RTS 2002: 14th Euromicro Conference on Real-Time Systems : proceedings : 19-21 June, 2002, Vienna, Austria, Los Alamitos, Calif.: IEEE Computer Society , 2002, s. 68-71Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

This paper presents work on a switched Ethernet network extended to allow for earliest deadline first (EDF) scheduling. We show by example that asymmetric deadline partitioning between the links of a real-time channel can increase the utilization substantially, still not violating the real-time guarantees. We also report measurements on a software implementation of the switch on an ordinary PC.

sted, utgiver, år, opplag, sider
Los Alamitos, Calif.: IEEE Computer Society , 2002. s. 68-71
Emneord [en]
real-time Ethernet
HSV kategori
Identifikatorer
URN: urn:nbn:se:hh:diva-2738Lokal ID: 2082/3140ISBN: 0769516653 ISBN: 9780769516653 ISBN: 076951667X ISBN: 9780769516677 OAI: oai:DiVA.org:hh-2738DiVA, id: diva2:239956
Konferanse
1st International Workshop on Real-Time LANs in the Internet Age (RTLIA’02) in conjunction with the 14th Euromicro Conference on Real-Time Systems, June 18, 2002, Vienna, Austria
Tilgjengelig fra: 2009-08-12 Laget: 2009-08-12 Sist oppdatert: 2018-03-23bibliografisk kontrollert
Inngår i avhandling
1. Switched Real-Time Ethernet for Industrial Applications
Åpne denne publikasjonen i ny fane eller vindu >>Switched Real-Time Ethernet for Industrial Applications
2003 (engelsk)Licentiatavhandling, med artikler (Annet vitenskapelig)
Abstract [en]

The research reported in this thesis has been focused on developing and analyzing how to support real-time traffic over a switched Ethernet network without any hardware or protocol modifications. The work has resulted in a proposed systems model, supporting both real-time and non real-time traffic. Currently this model is intended for a one-switch network, with no shared media. All added traffic handling to support real-time communication is positioned in a thin layer (RT layer) added between the Ethernet layer and the TCP/IP suite. This assures adaptation to the surrounding protocol standards. The RT layer manages traffic on the basis of virtual connections, denoted as RT channels, as well as packet level scheduling. RT channels are created between end-nodes prior to any occurrence of real-time traffic. Asymmetric deadline partitioning between the links of the RT channels is also proposed, in order to increase the number of possible RT channels.

sted, utgiver, år, opplag, sider
Göteborg: Chalmers tekniska högskola, 2003. s. 16
Serie
Technical report L, ISSN 1651-4963 ; 20
Emneord
Switched Ethernet, Real-time communication, EDF scheduling, Industrial networks
HSV kategori
Identifikatorer
urn:nbn:se:hh:diva-599 (URN)2082/941 (Lokal ID)2082/941 (Arkivnummer)2082/941 (OAI)
Presentation
2003-05-27, Wigforssalen, Kristian IV:s väg, Halmstad, 13:15 (engelsk)
Veileder
Tilgjengelig fra: 2007-04-10 Laget: 2007-04-10 Sist oppdatert: 2018-03-23bibliografisk kontrollert

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