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Virtual computing lab (VCL) initiated at North Carolina State University (NCSU), is a virtualized, distributed and on-demand computing service architecture provided through Internet. As VCL related activities scale up to many adjacent states as well as to other countries including Canada and India, improving the system efficiency and utilization becomes an important consideration. In this paper, we...
We propose the efficient contents delivery method with scheduled unicast and multicast to reduce the load of contents server and network congestion. In our proposed method, the timing of transmitting contents is arranged when many users access the contents in short period of time. Furthermore, the method of transmitting contents is switched from unicast to multicast. We evaluate the performance by...
The design of embedded control systems should be addressed in both the controller definition and its implementation. While the design of the controller is based on control theory, the implementation is designed by assuming the principle that control loops can be modeled and implemented as periodic activities. Periodic activities that can be organise attending to different implementation criteria....
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