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Information access and QoS issues in a mobile computing environment

机译:移动计算环境中的信息访问和QoS问题

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Efficient access to coherent information files is an important issue in mobile computing. In this paper we consider performance analysis of information access in a mobile computing environment. We employ a distributed directory scheme that permits uninterrupted use under disconnected and low bandwidth connections and minimizes invalidation and false sharing. This scheme allows for two invalidation schemes that avoid false sharing, and a mechanism for efficient maintenance of file details. We analyse the performance of the directory scheme in terms of time taken and energy consumed in executing operations such as read/write, connection, disconnection, and hoarding in mobile environments. The directory scheme is employed for facilitating efficient transfer of partially updated files in hierarchical networks. We also investigate quality of service issues related to file accesses in the mobile computing environment discussed in the paper. However, the scheme can be extended to any mobile computing environment.
机译:有效访问连贯的信息文件是移动计算中的重要问题。在本文中,我们考虑了移动计算环境中信息访问的性能分析。我们采用了分布式目录方案,该方案允许在断开连接和低带宽连接的情况下不间断使用,并最大程度地减少无效和错误共享。该方案允许两种避免错误共享的失效方案,以及一种有效维护文件详细信息的机制。我们根据在移动环境中执行读/写,连接,断开连接和ho积等操作所花费的时间和消耗的能量来分析目录方案的性能。目录方案用于促进分层网络中部分更新文件的有效传输。我们还将调查本文讨论的与移动计算环境中的文件访问相关的服务质量问题。但是,该方案可以扩展到任何移动计算环境。

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