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The process agent model and message passing in a distributed processing VR system by Warren Blumenow; George Spanellis; Barry Dwolatzky is a scholarly article available to read on EtoBox.

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This paper deals with the design and implementation of a low cost, distributed Virtual Reality system. The conceptual mode1 of the system addresses the dependency of the visual update rate on simulation computation The Process Agent Model is introduced to make the details of distributed processing and network communications transparent to the high level processes. Processes residing on the same machine communicate with one another directiy by means of method calls. "Agents It are used for communication between remote processes. An agent intercepts messages on behalf of the process which it represents, and via the nehvork, these messages are forwarded to the authentic remote process. A network protocol which is suited to real-time VR applications is discussed, allowing for the transmission of both guaranteed and non-guaranteed message types. The network employs an intelligent queuing mechanism, based. on message type and target process, for the firtering of redundant and aged messages. This jltering contributes to a reduction of bandwidth utilisation A qualitative ptirformance analysis of the prototype system reveals three factors influencing system performance: division of computat

Author

Warren Blumenow; George Spanellis; Barry Dwolatzky

Publisher

ACM

Published

1997

Language

EN