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Sensors (Basel). 2011;11(4):3595-610. doi: 10.3390/s110403595. Epub 2011 Mar 25.

Design and development of a run-time monitor for multi-core architectures in cloud computing.

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Information Sciences Institute (ISI), University of Southern California (USC), Arlington, VA 22203, USA.


Cloud computing is a new information technology trend that moves computing and data away from desktops and portable PCs into large data centers. The basic principle of cloud computing is to deliver applications as services over the Internet as well as infrastructure. A cloud is a type of parallel and distributed system consisting of a collection of inter-connected and virtualized computers that are dynamically provisioned and presented as one or more unified computing resources. The large-scale distributed applications on a cloud require adaptive service-based software, which has the capability of monitoring system status changes, analyzing the monitored information, and adapting its service configuration while considering tradeoffs among multiple QoS features simultaneously. In this paper, we design and develop a Run-Time Monitor (RTM) which is a system software to monitor the application behavior at run-time, analyze the collected information, and optimize cloud computing resources for multi-core architectures. RTM monitors application software through library instrumentation as well as underlying hardware through a performance counter optimizing its computing configuration based on the analyzed data.


QoS; Run-Time Monitor; cloud computing; library instrumentation; multi-core architectures; performance counter

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