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Service composition is a useful technology to achieve dynamic requests. But in cloud, the cloud provider should guarantee the QoS of the user request as well. Previous work investigated how to select proper available replicas (the similar functional services located on different physical nodes) to effectively achieve the composite services. However, as the requirements for some service grow, even...
Broadcast is a fundamental operation of wireless ad hoc networks (WANET) and has been widely studied in the last decade. However, very few existing broadcasting strategies has considered the scenarios with sleeping schedule, which is a prevalent power-saving method in wireless networks. In this paper we study the sleeping schedule-aware minimum latency broadcast (MLB-SA) problem in WANETs and prove...
As a fundamental operation of wireless ad hoc networks (WANET), broadcast has been widely studied in the past ten years. However, most existing broadcasting strategies assumed non-sleeping wireless devices. Little attention has been paid to broadcast in WANETs with sleeping schedule, which is a promising power-saving method in wireless networks. In this paper we study the sleeping schedule aware minimum...
Data-centric storage is an effective and important technique in sensor networks, however, most data-centric storage schemes may not be energy efficient and load balanced due to non-uniform event and query distributions. This paper proposes EEBASS, it utilizes an approximation algorithm to solve the optimal storage placement problem according to the variance of event and query distributions, aiming...
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