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Consistency overhead using HLA for collaborative work
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
2005 (English)In: Ninth IEEE International Symposium on Distributed Simulation and Real-Time Applications, Proceedings, LOS ALAMITOS: IEEE COMPUTER SOC , 2005, 7-15 p.Conference paper, Published paper (Refereed)
Abstract [en]

CSCW (Computer Supported Cooperative Work) has been around for many years. However, despite growing use of CSCW, general infrastructures that support it are few, and seldom provide data consistency management. A question at issue is how to easily provide different consistency policies for CSCW applications. In a modeling and simulation project at the Swedish Defense Research Agency we have evaluated technologies for developing a CSCW infrastructure. A frequently used distributed simulation architecture the HLA, appeared as a candidate for beneficially providing CSCW services. Hence we have investigated the use of HLA for the purpose, with successful result. This paper presents some of the outcome, and the experiences from adapting an application to CSCW utilizing HLA. It presents performance experiments for evaluation of three consistency policies for CSCW using HLA, conclusions, future work and some recommendations.

Place, publisher, year, edition, pages
LOS ALAMITOS: IEEE COMPUTER SOC , 2005. 7-15 p.
Series
IEEE/ACM International Symposium on Distributed Simulation and Real-Time Applications, ISSN 1550-6525
National Category
Information Science
Identifiers
URN: urn:nbn:se:kth:diva-27777DOI: 10.1109/DISTRA.2005.14ISI: 000234268900002Scopus ID: 2-s2.0-31344460323ISBN: 0-7695-2462-1 (print)OAI: oai:DiVA.org:kth-27777DiVA: diva2:380989
Conference
9th IEEE International Symposium on Distributed Simulation and Real-Time Applications (DS-RT 2005) Montreal, CANADA, OCT 10-12, 2005
Note
QC 20101222Available from: 2010-12-22 Created: 2010-12-22 Last updated: 2010-12-22Bibliographically approved
In thesis
1. Consistency management in collaborative modelling and simulation
Open this publication in new window or tab >>Consistency management in collaborative modelling and simulation
2005 (English)Licentiate thesis, comprehensive summary (Other scientific)
Abstract [en]

The aim of this thesis is to exploit the technological capabilities of computer supported collaborative work (CSCW) in the field of collaborative Modelling and Simulation (M&S). The thesis focuses on addressing two main problems: (i) providing flexible means of consistency management in collaborative M&S, and (ii) the ability of providing platform and application independent services for collaborative M&S.

In this work, some CSCW technologies and how some of the concepts can be incorporated in a distributed collaborative M&S environment, have been studied. An environment for component based simulation development and visualization, which provides support for collaborative M&S, has been designed. Some consistency policies that can be used in conjunction with distributed simulation and the High Level Architecture (HLA) have been investigated. Furthermore, the efficient utilization of HLA and XML in combination, as the foundation of a CSCW infrastructure has been proved. Two consistency policies were implemented utilizing HLA, a strict and an optimistic, in the distributed collaborative environment. Their performance was compared to the performance of a totally relaxed policy, in various collaboration situations.

Place, publisher, year, edition, pages
Stockholm: KTH, 2005. 136 p.
Series
Trita-IMIT. LECS, ISSN 1651-4076 ; 2005:11
Keyword
CSCW, collaboration, HLA, distributed simulation, consistency management, CSCW services, modelling and simulation
National Category
Information Science
Identifiers
urn:nbn:se:kth:diva-571 (URN)
Presentation
2005-12-02, sal Gemini, IMIT, Forum, Isafjordsgatan 39, Kist, Stockholm, 13:00
Supervisors
Note
QC 20101222Available from: 2005-12-28 Created: 2005-12-28 Last updated: 2010-12-22Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
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  • Other locale
More languages
Output format
  • html
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