UniWiki: A Collaborative P2P System for Distributed Wiki Applications

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Authors

Gerald Oster, Pascal Molli, Sergiu Dumitriu and Ruben Mondejar

Abstract

The ever growing request for digital information raises the need for content distribution architectures providing high storage capacity, data availability and good performance. While many simple solutions for scalable distribution of quasi-static content exist, there are still no approaches that can ensure both scalability and consistency for the case of highly dynamic content, such as the data managed inside wikis. In this paper, we propose a peer to peer solution for distributing and managing dynamic content, that combines two widely studied technologies: distributed hash tables (DHT) and optimistic replication. In our “universal wiki” engine architecture (UniWiki), on top of a reliable, inexpensive and consistent DHT-based storage, any number of front-ends can be added, ensuring both read and write scalability. The implementation is based on a Distributed Interception Middleware, thus separating distribution, replication, and consistency responsibilities, and also making our system usable by third party wiki engines in a transparent way. Uniwiki is suitable for large-scale scenarios.


Documents

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