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Publish/subscribe communication model has become an indispensable part of the Web 2.0 applications, such as social networks and news syndication. Although there exist a few systems that provide a genuinely scalable service for topic-based publish/subscribe model, the content-based solutions are still suffering from restricted subscription schemes, heavy and unbalanced load on the participating nodes, or excessively high matching complexity. We address these problems by constructing a distributed content-based publish/subscribe system by using only those components that are proven to be scalable and can withstand the workloads of massive sizes. Our publish/subscribe solution, Vinifera, requires only a bounded node degree and as we show, through simulations, it scales well to large network sizes and remains efficient under various subscription patterns and loads. Copyright © IARIA, 2012.


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