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Collaborative Modeling and Simulation in a Distributed Environment.
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.
2003 (English)Conference paper, Published paper (Other academic)
Abstract [en]

Computer-based collaboration is an issue of increasing importance within the community of computer science. The advantages of the subject are many and ascribe to several different areas.The foremost purpose of computer-based collaboration is to promote the overcoming of distances between organisations and people. This advantage could also be of considerable use within thecommunity of Modelling and Simulation (M&S) to improve quality of work in the M&S processes, and to increase efficiency. Such collaboration may be beneficial in many contexts such as distance education, distance training, and distance team work.At the Swedish Defence Research Agency (FOI), we are investigating collaborative M&S indistributed environments. A prototype for collaborative modelling has been developed, in which users may collaboratively develop a simulation model. The collaborative applications, and the synchronization of the cooperative work, are managed in a distributed way, based on Peer-to-Peer technology. For this purpose the JXTA P2P framework was chosen. The work hasexposed some challenges for collaborative M&S, better understanding of computer collaboration, and identification of suitable techniques.This paper presents the collaborative M&S prototype developed so far, and highlights advantages and disadvantages with techniques chosen for the implementation. It also discusses some challenges, lessons learned and experience gained from the use of Peer-to-Peer technology in this specific area.

Place, publisher, year, edition, pages
2003.
National Category
Information Science
Identifiers
URN: urn:nbn:se:kth:diva-27775OAI: oai:DiVA.org:kth-27775DiVA: diva2:380939
Conference
The European Simulation Interoperability Workshop, Stockholm, Sweden, June 2003
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
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More styles
Language
  • de-DE
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  • Other locale
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Output format
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