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This article provides an introduction to the concept of roots of trust in a trusted computing platform, the measured boot process, and the attestation that are critical steps for ensuring boot integrity. It also provides an overview of Intel’s Trusted Executed Technology (TXT), an example of root of trust technology for asserting platform boot integrity. Complementary to this is the concept of trusted compute pools, which is a logical or physical grouping of computing platforms with demonstrated platform boot integrity. Trusted compute pools embody the integrity of the virtual infrastructure, which can then enable granular controls, an essential requirement for virtualized data centers. Here, also, we present a solution reference architecture for building a trusted compute pool in a virtualized data center, and provide a case study of its implementation at the Taiwan Stock Exchange, with a number of typical use cases and the solution components of a successful implementation of trusted compute pools.
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