Design for an Extensible Croquet-Based Framework to Deliver a Persistent, Unified, Massively Multi-User, and Self-Organizing Virtual Environment

Authors:
Mark P. McCahill;Julian Lombardi
Affiliations:
University of Minnesota-Twin Cities;University of Wisconsin-Madison
Venue:
C5 '04 Proceedings of the Second International Conference on Creating, Connecting and Collaborating through Computing
Year:
2004

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Abstract

We describe a design for a collaborative VirtualLearning Environment (VLE) to support massivelymulti-user and multi-institutional learningcommunities. This architecture extends Croquet toencompass a tier of distributed cache servers thatallow intelligent caching and pre-fetching of objects,scene definitions, and textures. The design alsoprovides for Interactivity servers tied to specificregions in the VLE. Interactivity servers providepersistence for neighborhoods, coordinatemodification and transient phenomena for locales inthe virtual space, and ensure trust relations bymanaging user identification, authentication, andauthorization via integration with existing institutionalauthentication infrastructure. This system supportsreal-time interactions that promote a self-organizing,interdisciplinary knowledge sharing system within ascalable VLE in a manner that ensures accountabilityand trust relations.