Optimized product data transmission in LOD-based collaborative design using P2P CAD streaming

Authors:
Chih-Hsing Chu;Yu Hsuan Chan
Affiliations:
Department of Industrial Engineering and Engineering Management, University of National Tsing Hua University, Hsinchu, Taiwan 30013;Department of Industrial Engineering and Engineering Management, University of National Tsing Hua University, Hsinchu, Taiwan 30013
Venue:
Journal of Intelligent Manufacturing
Year:
2012

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Abstract

This paper concerns product data transmission in networked design collaboration using P2P (peer-to-peer) CAD streaming. A heuristics-based scheme is proposed to optimize the transmission efficiency among multiple users. It allows a collaborator to quickly acquire a meshed CAD model of some LOD (level of detail) by aggregating data fragments from the other collaborators, who possess different LODs. The requesting collaborator will be receiving the model incrementally from a coarse representation to a finer one through a sequence of LODs. The transmission tasks are scheduled with a multi-queue method so as to maximize the network utilization. A scenario of collaborative design demonstrates how the proposed scheme facilitates distribution of product data in consideration of complex collaboration relationships.