Managing consistency in collaborative design environments

Chunyan Miao; Zhonghua Yang; Angela Goh; Chengzheng Sun; Abdul Sattar

doi:10.1117/12.359520

20 August 1999 Managing consistency in collaborative design environments

Chunyan Miao, Zhonghua Yang, Angela Goh, Chengzheng Sun, Abdul Sattar

Proceedings Volume 3833, Intelligent Systems in Design and Manufacturing II; (1999) https://doi.org/10.1117/12.359520
Event: Photonics East '99, 1999, Boston, MA, United States

Abstract

In today's global economy, there is a significant paradigm shift to collaborative engineering design environments. One of key issues in the collaborative setting is the consistency model, which governs how to coordinate the activities of collaborators to ensure that they do not make inconsistent changes or updates to the shared objects. In this paper, we present a new consistency model which requires that all update operations will be executed in the casual order (causality) and all participants have the same view on the operations on the shared objects (view synchrony). A simple multicast-based protocol to implement the consistency model is presented. By employing vector time and token mechanisms, the protocol brings the shared objects from one consistent state to another, thus providing collaborators with a consistent view of the shared objects. A CORBA-based on-going prototyping implementation is outlined. Some of the related work are also discussed.

Citation Download Citation

Chunyan Miao, Zhonghua Yang, Angela Goh, Chengzheng Sun, and Abdul Sattar "Managing consistency in collaborative design environments", Proc. SPIE 3833, Intelligent Systems in Design and Manufacturing II, (20 August 1999); https://doi.org/10.1117/12.359520

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