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A collaborative environment based on distributed object-oriented databases

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3 Author(s)
Jasnoch, U. ; Fraunhofer-Inst. fur Graphische Datenverarbeitung, Darmstadt, Germany ; Asok, S.K. ; Haas, S.

The need for developing an open CAD environment has never been greater. One of the most critical problems involved in this is the integration of already existing CAD systems into a collaborative environment. Also, the resulting open CAD system has to deal with heterogeneous environments and various different data formats. We describe a collaborative working virtual prototyping (VP) environment which integrates already existing CAD systems. The underlying product model of the VP environment is a STEP (Standard for the Exchange and the Representation of Product Model Data) based integrated product model. The paper also describes how collaborative working is achieved in the VP environment using an object-oriented data management approach. The data management module is used to distribute data in the collaborative environment and to integrate both the system and data. Finally, the paper describes the concurrency requirements of the applications integrated into the VP environment and recommends a concurrency control protocol

Published in:

Enabling Technologies: Infrastructure for Collaborative Enterprises, 1995., Proceedings of the Fourth Workshop on

Date of Conference:

20-22 Apr 1995