Server Virtualization and Cloud Computing: Four Hidden Impacts on Uptime and Availability

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Executive Summary

As x86 virtualization has become established and cloud computing emerges, a robust IT infrastructure actually matters more than ever. Software aspects get most of the attention partly because they are new. Despite the hype, not every technical challenge is better solved by software alone because of the tradeoffs involved. For high-performance, high-density or mission-critical services and applications, using fault-tolerant server hardware hardens against new vulnerabilities and complements the resilience one can achieve with virtualization and cloud computing.

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