Browsing by Author "Malherbe, Tielman"

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    A comparative study of interest management schemes in peer-to-peer massively multiuser networked virtual environment
    (Stellenbosch : Stellenbosch University, 2016-12) Malherbe, Tielman; Engelbrecht, H. A.; Stellenbosch University. Faculty of Engineering. Dept. of Electrical and Electronic Engineering.
    ENGLISH ABSTRACT: Networked virtual environments (NVEs) are virtual worlds where users communicate and interact with others and the virtual world by exchanging messages via a network connection. An NVE user is often only able to interact, or only interested in interacting, with objects and players within a sphere around their position; the area of interest (AOI). Enabling users to properly identify and communicate with objects of interest while limiting the amount of information received to only relevant information is the purpose an interest management (IM) scheme. In this thesis, three existing peer-to-peer (P2P) interest management schemes; SimMud, Vast and MOPAR; and one naive messaging implementation, FullConn, are tested. These schemes are simulated in a virtual game world consisting of varying population densities and movement types, provided by the OverSim network simulation environment. The results show that SimMud performs well in the ideal simulations, supplying users with more correct neighbours and using less bandwidth at the cost of sending more messages and a longer message route. Vast performs better in the simulation representing recorded real-world movements at the cost of more bandwidth. The MOPAR simulations performed sub-optimally due to improper implementation, and FullConn can not scale.