Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/39100
Title: An agent-based data filtering mechanism for high level architecture
Authors: Tan, G. 
Xu, L. 
Keywords: Agents
DDM
Filtering mechanisms
HLA
Network communication cost
RTI
Issue Date: 2001
Source: Tan, G.,Xu, L. (2001). An agent-based data filtering mechanism for high level architecture. Simulation 76 (6) : 329-344. ScholarBank@NUS Repository.
Abstract: In the Runtime Infrastructure (RTI) of the High Level Architecture (HLA), the purpose of the Data Distribution Management (DDM) services is to reduce the amount of irrelevant data communicated between federates (simulations) and cut network communication cost. The current DDM schemes proposed for the RTI, i.e., region-based and grid-based DDM, are both oriented to send as little irrelevant data to subscribers as possible, but they only manage to filter part of this information and some irrelevant data is still being sent. In this paper, we employ intelligent agents to perform data filtering in HLA to address these drawbacks. In our method, each time a federate subscribes to some data, intelligent mobile agents are launched to the publishers of those data. These agents will fetch the updated data, perform data filtering and then send the subscribers the exact information they require. At the same time, agents will be kept notified of the updated filtering range by keeping contact with the subscribers. Based on this idea, we implement an agent based RTI (ARTI) using the FDK RTI-kit. The RTI with region-based DDM and the RTI with grid-based DDM are also implemented to aid in the comparison. The ARTI is tested and compared with the other filtering mechanisms using the AWACS sensing aircraft simulation scenario and air traffic control simulation scenario. Experimental results show that the agent-based filtering approach performs best in data filtering and communicates only relevant data, minimizing network communication. It is also comparable in terms of time efficiency.
Source Title: Simulation
URI: http://scholarbank.nus.edu.sg/handle/10635/39100
ISSN: 00375497
Appears in Collections:Staff Publications

Show full item record
Files in This Item:
There are no files associated with this item.

Page view(s)

88
checked on Dec 15, 2017

Google ScholarTM

Check


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.