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We propose a novel content-based Publish-Subscribe system over structured P2P networks, namely Marshmallow, to provide efficient, scalable and adaptable event dissemination service. Marshmallow introduces a subscription merging strategy to reduce the subscription cost and frequency of event matching, meanwhile, it smartly exploits the embedded trees of Pastry overlay to deliver event with high event...
The paper focuses on implementation of association pattern between the network performances and the general network faults. We use network simulation tool, OPNET, to accomplish network simulations of different network faults and different situations based on VoIP. Network performance parameters such as end-to-end delay, jitter, traffic dropped, queuing delay, link throughout, link utilization are...
The notion of update pattern awareness in the context of continuous queries over relations, streams and sliding windows was introduced in previous researches. This investigation concerns the access costs of data structures for the intermediate results or final results of continuous query processing over sliding windows by update pattern awareness.The ladder structure was employed to store intermediate...
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