Space/time trade-offs in hash coding with allowable errors
Communications of the ACM
Replication strategies in unstructured peer-to-peer networks
Proceedings of the 2002 conference on Applications, technologies, architectures, and protocols for computer communications
Update Propagation through Replica Chain in Decentralized and Unstructured P2P Systems
P2P '04 Proceedings of the Fourth International Conference on Peer-to-Peer Computing
AntNet: distributed stigmergetic control for communications networks
Journal of Artificial Intelligence Research
IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews
A balanced consistency maintenance protocol for structured P2P systems
INFOCOM'10 Proceedings of the 29th conference on Information communications
Network coding for distributed storage systems
IEEE Transactions on Information Theory
Journal of Network and Computer Applications
Ant system: optimization by a colony of cooperating agents
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
Expert Systems with Applications: An International Journal
An optimized strategy for update path selection in unstructured P2P networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Ant colony optimization for RDF chain queries for decision support
Expert Systems with Applications: An International Journal
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To improve file availability and peers' retrieval efficiency, many P2P networks adopt file replication techniques to distribute files and their replicas. Thus how to maintain the replica consistency has been an important research focus, especially in the P2P networks with writable and dynamically changeable files. Existing researches suffer from the shortcomings of either needing more update messages or having lower update success rates. This paper proposes a novel replica consistency maintenance strategy based on an ant colony model. We first define an ant's actions and states, and then we use ants to update replicas in their walking forward and update file's pheromones in their returning process. We discuss how to tackle the churn problem when an ant returns. The simulation results show that our strategy could reduce the update cost and the impacts caused by churn in replica consistency maintenance in unstructured P2P networks.