Large Scale Distributed Virtual Environments on the Grid: Design, Implementation, and a Case Study
Computer Supported Cooperative Work in Design IV
MGRID: a modifiable-grid region matching approach for DDM in the HLA RTI
SpringSim '09 Proceedings of the 2009 Spring Simulation Multiconference
A dynamic sort-based DDM matching algorithm for HLA applications
ACM Transactions on Modeling and Computer Simulation (TOMACS)
Implementation of data distribution management services in a service oriented HLA RTI
Winter Simulation Conference
Hierarchical interest management for distributed virtual environments
Proceedings of the 2013 ACM SIGSIM conference on Principles of advanced discrete simulation
Interest management for distributed virtual environments: A survey
ACM Computing Surveys (CSUR)
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One of the main challenges for Large-Scale Distributed Virtual Environments (LDVE) designers is to keep the shared virtual environment (VE) consistent among all participating users. As the number of participants grows, more information is generated, increasing network traffic and augmenting latency. One way to deal with the increasing traffic is to restrict the data exchange only among entities that are interested in receiving information about other entities. Data filtering mechanisms that limit and control the network traffic in VE applications have been successfully reported in the literature. However, these solutions usually make use of a large number of multicast groups, besides sending unnecessary and redundant data. This paper describes a Grid-Filtered Region-Based Data Distribution Management scheme, which combines the positive aspects of both Region-Based and Grid-Based DDM methods to reduce network traffic and latency using a minimum number of multicast groups. It is also discussed how this scheme can be used as a potential solution to keep shared VEs synchronized among a very large number of participants, a determinant parameter for the success of LDVE applications.