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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00002724naa a2200277 4500
001oai:DiVA.org:his-1810
003SwePub
008070903s2005 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-18102 URI
040 a (SwePub)his
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a kon2 swepub-publicationtype
100a Brohede, Marcusu Högskolan i Skövde,Institutionen för kommunikation och information4 aut0 (Swepub:his)brom
2451 0a Optimistic database-driven distributed real-time simulation (05F-SIW-031)
264 1b Curran Associates, Inc.c 2005
338 a print2 rdacarrier
520 a In this paper we present an optimistic synchronization protocol for distributed real-time simulations that uses a database as communication and storage mechanism. Each node in the simulation is also a database node and communication in the simulation is done by storing and reading to the database. The underlying replication protocol in the database then makes sure that all updates are propagated. The progress in the simulation is optimistic, i.e., each node tries to simulate as far ahead as possible without waiting for input from any other node. Since the simulations are said to be real-time we must guarantee that no events can be delivered too early nor too late. Also, recovery of a node must be done within predictable time due to the real-time constraints. Since all updates in the simulation are done through transactions we have a well-defined foundation for recovery and we show how the recovery can be done deterministically. For the simulation to function (and keep deadlines) during network partitions we allow local commits in the database. This requires that all data required on a specific node must be reachable from that node, i.e., no remote accesses should be needed. However, allowing local commits may introduce conflicting updates. These conflicts are detected and solved predictably
700a Andler, Sten F.u Högskolan i Skövde,Institutionen för kommunikation och information4 aut0 (Swepub:his)ands
700a Son, Sang Hyuku Department of Computer Science, University of Virginia, 151 Engineer’s Way, P.O. Box 400740, USA4 aut
710a Högskolan i Skövdeb Institutionen för kommunikation och information4 org
773t Fall 2005 Simulation Interoperability Workshopd : Curran Associates, Inc.g , s. 223-228q <223-228z 9781622761401
856u http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.127.8389
856u http://www.sisostds.org/DigitalLibrary.aspx?Command=Core_Download&EntryId=26387
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-1810

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Brohede, Marcus
Andler, Sten F.
Son, Sang Hyuk
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Högskolan i Skövde

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