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This work examines the feasibility of using Ethernet-based time transfer methods based on White Rabbit technology to discipline all the clock domains of a networked data acquisition system (DAQ). Existing systems provide synchronization capabilities, albeit the performance achieved is often not accurate enough for scientific infrastructures and Smart Grid applications requiring frequency coherent...
Service-based access models coupled with recent advances in application deployment technologies can support emerging dynamic and data-driven applications. However, due to evolving application requirements and the dynamicity of the underlying resources, it is necessary to support flexible and opportunistic composition of services in order to satisfy application needs. The goal of this work is to provide...
Nowadays, using ICTs in the classroom is not unusual. In Argentina, the “Conectar-Igualdad” and “Primaria digital” programs are allowing us to shorten the first digital divide — access to digital technologies. However, ICTs are used as a “passive instrument”, as children and teenagers use some applications and services with very little criticism towards them. This faces us with a second digital divide...
The complexity of many problems in science and engineering requires computational capacity exceeding what the average user can expect from a single computational center. While many of these problems can be viewed as a set of independent tasks, their collective complexity easily requires millions of core-hours on any high-power computing (HPC) resource, and throughput that can't be sustained by a single,...
Future Grid (FG) is an experimental, high-performance test bed that supports HPC, cloud and grid computing experiments for both application and computer scientist. Future Grid includes the use of virtualization technology to allow the support of a wide range of operating systems in order to include a test bed for various cloud computing infrastructure as a service frameworks. Therefore, efficient...
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