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We propose a novel fifth-generation (5G) rapid prototyping system architecture by combining FPGA-privileged modules from a software defined radio (or FPGA-coprocessor) and high-level programming language for advanced algorithms from multi-core general purpose processors. The proposed system architecture exhibits excellent flexibility and scalability in the development of a 5G prototyping system. As...
Data driven programming models like MapReduce have gained the popularity in large-scale data processing. Although great efforts through the Hadoop implementation and framework decoupling (e.g. YARN, Mesos) have allowed Hadoop to scale to tens of thousands of commodity cluster processors, the centralized designs of the resource manager, task scheduler and metadata management of HDFS file system adversely...
A lot of Not Only SQL (NoSQL) databases have been proposed in the era of big data. Distributed Ordered Table (DOT) is one kind of No SQL database that has attracted lots of attention. It horizontally partitions table into regions and distributes regions to region servers according to the keys. Multi-Dimensional Range Query (MDRQ) is a common operation over DOTs. Many indexing techniques have been...
Cloud infrastructures have seen increasing popularity for addressing the growing computational needs of today's scientific and engineering applications. However, resource management challenges exist in the elastic cloud environment, such as resource provisioning and task allocation, especially when data movement between multiple domains plays an important role. In this work, we study the impact of...
A new video on demand (VOD) storage system is constructed by intelligent network disk (IND for short) cluster in this paper. After through analysis of user behavior on watching video program, an adaptive storage policy of master copy and duplicate based on popularity of video file is proposed. Access frequency of video file,load balance state and system parameters in operation are monitored by way...
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