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A fundamental challenge of supporting mutable data replication in a Peer-to-Peer (P2P) system is to efficiently maintain consistency. This paper presents a framework for Balanced Consistency Maintenance (BCoM) in structured P2P systems with heterogeneous node capabilities and various workload patterns. Replica nodes of each object are organized into a tree structure for disseminating updates, and...
We present an analysis of virus spread in wireless sensor networks (WSNs) through a modified susceptible-infective (SI) epidemic model. In a traditional SI model, once a sensor node is attacked by a virus, the infective node can spread the virus to its neighboring nodes, which further spread the virus to their neighbors; the process continues until the whole network fails. To overcome this weakness,...
Peer-to-Peer (P2P) applications running over a distributed hash table (DHT) based overlay do not benefit from dominant characteristics of nodes in the network (such as resources and speed). This paper presents a model for applications to set the predominant features of a node and also a way through which it can prioritize those features on several hierarchical layers. Our architecture is based on...
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