Paper
27 December 2000 Collaborative design using distributed virtual reality over the Internet
Fabien Costantini, Christian Toinard, Nicolas Chevassus, Francois Gaillard
Author Affiliations +
Proceedings Volume 4311, Internet Imaging II; (2000) https://doi.org/10.1117/12.411901
Event: Photonics West 2001 - Electronic Imaging, 2001, San Jose, CA, United States
Abstract
Efficient collaborative virtual environments are missing. First, current solutions do not support mobility to more easily from a disconnected work to a meeting. Second, they do not preserve the consistency or they limit the parallel working. Third, a client-server approach is inefficient in many ways. It introduces a bottleneck and a point of failure in the system. At last, requiring a specific Quality of Service (QoS) from the under laying network limits the ease of deployment. Paper answers these shortages. It enables to distribute a global scene tree among several private spaces. A worker carries out a disconnected work to improve his private space while satisfying protection rules. These different puzzle pieces assemble automatically into a global scene tree during a meeting work. Workers modify in real-time the shared scene. Real time awareness, parallel working and work persistency are provided. A consistency property guarantees the work progression. The solution is fully distributed. Full replication and multicasting improve the performances. A connection facility solves the connectivity problem. It switches automatically from multicast to point-to-point. At last, security is addressed. Standard and secure email enable authentication and distribution of a session key. A re-keying protocol assures confidentiality without requiring communication entities to process X509 certificates.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Fabien Costantini, Christian Toinard, Nicolas Chevassus, and Francois Gaillard "Collaborative design using distributed virtual reality over the Internet", Proc. SPIE 4311, Internet Imaging II, (27 December 2000); https://doi.org/10.1117/12.411901
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KEYWORDS
Virtual reality

Internet

Network security

Switches

Receivers

Prototyping

Sensors

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