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Live Migration of Virtual Machines: Sustaining Active TCP-Sessions

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Executive Summary

Virtualization and the technology associated with it, has attracted quite a lot of attention during the past years. As of 2009, it is estimated that the market for virtualized X86 server solutions will be worth in the vicinity of $1.8 Billion. So far, the main advantages presented by virtual solution vendors have been related to server consolidation savings. Users of virtualization capable hardware environments enjoy a greater "Bang for the buck" since servers with low utilization can be virtualized in the same physical machine. Guest-migration, the process of moving virtual guests between different hardware platforms has been an area of research for more than 20 years.

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