Istituto di Scienza e Tecnologie dell'Informazione     
Carlini E., Ricci L., Coppola M. Flexible load distribution for hybrid distributed virtual environments. In: Future Generation Computer Systems, vol. 29 (6) pp. 1561 - 1572. Elsevier, 2013.
This paper proposes an architecture for Distributed Virtual Environment (DVE) integrating cloud and peer nodes. We define the overall structure of the architecture and propose a flexible strategy to distribute the load due to the management of the entities of the DVE. The proposed approach takes into account the utilization of the nodes, the economical cost due to their use of bandwidth, and their probability failure. A greedy heuristics is exploited to reduce the computational cost of the algorithm in order to maintain a fair interactivity level to the end user of the DVE. A mobility model generating realistic Second Life traces is exploited to evaluate our algorithm. The experimental results show the effectiveness of our approach.
URL: http://www.sciencedirect.com/science/article/pii/S0167739X1200177X
DOI: 10.1016/j.future.2012.09.004
Subject Peer-to-Peer
Distributed Virtual Environments
Cloud Computing
H.5.1 Multimedia Information Systems. Artificial, augmented, and virtual realities
C.2.4 Distributed Systems

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