The Performance of Clouds

A CloudOps Research Paper on the Performance of Cloud Computing Platforms

Cloud computing is a significant shift in the way companies build and run IT resources. It promises pay-as-you-go economics and elastic capacity. Every major change in IT forces IT professionals to “rebalance” their application strategy—just look at client-server computing, the web, or mobile devices. Today, cloud computing is prompting a similar reconsidering of IT strategy.

Performance monitoring firm Webmetrics approached us to write a study on cloud performance. We decided to assess several cloud platforms, across several dimensions, using Webmetrics’ testing services to collect performance data.

In this paper you will learn:

  • The state of web performance and cloud computing.
  • Cloud computing terminology.
  • The big questions to ask when testing clouds.
  • A testing methodology for the evaluation of cloud platforms.
  • Test agent code that you can use for your own testing.
  • Guidelines for how test various cloud platforms yourself.
  • Our own testing results for several different clouds.

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