Using a Position History-Based Protocol for Distributed Object Visualization

  • Authors:
  • Sandeep K. Singhal;David R. Cheriton

  • Affiliations:
  • -;-

  • Venue:
  • Using a Position History-Based Protocol for Distributed Object Visualization
  • Year:
  • 1994

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Abstract

Users of distributed virtual reality applications interact with users located across the network. Similarly, distributed object visualization systems store dynamic data at one host and render it in real-time at other hosts. Because data in both systems is animated and exhibits unpredictable behavior, providing up-to-date information about remote objects is expensive. Remote hosts must instead apply extrapolation between successive update packets to render the object''s true animated behavior. This paper describes and analyzes a ``position history-based'''' protocol in which hosts apply several recent position updates to track the position of remote objects. The history-based approach offers smooth, accurate visualizations of remote objects while providing a scalable solution.