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Virtualization is becoming widely deployed in servers to efficiently provide many logically separate execution environments while reducing the need for physical servers. While this approach saves physical CPU resources, it still consumes large amounts of storage because each virtual machine (VM) instance requires its own multi-gigabyte disk image. Moreover,(More)
Electronic commerce system for media content distribution has been evolved for decades. Throughout the time, various business models such as business-to-consumer (B2C) and consumer-to-consumer (C2C) are proven to be successful. However, most of the models require players to be tightly bound to the supplier, either tied to its designed web interface or(More)
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