Efficient processing of client transactions in real-time
Distributed and Parallel Databases
Distributed middleware architectures for scalable media services
Journal of Network and Computer Applications - Special issue: Network and information security: A computational intelligence approach
Dissemination of spatial-temporal information in mobile networks with hotspots
DBISP2P'04 Proceedings of the Second international conference on Databases, Information Systems, and Peer-to-Peer Computing
Towards self-managing qos-enabled peer-to-peer systems
Self-star Properties in Complex Information Systems
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In this paper, we propose and study the behavior of a number of peer-to-peer (P2P)-based distributed computing systems in order to offer efficient and reliable media services over a large-scale heterogeneous network of computing nodes. Our proposed middleware architectures exploit features including availability of high-performance links to networks, usage of exclusive and partial indexing in peers, making nodes "aware" of the content of their own vicinity, replication of objects and caching of popular items, as well as full connectivity among servers if feasible. Through detailed simulation and experimentation, we investigate the behavior of the suggested P2P architectures for video provision and examine the trade-offsinvolved. We show that under realistic assumptions, the proposed architectures are resilient to multiple peer-failures, provide timeliness guarantees and are scalable with respect to dropped requests when the number of messages in the network increases.