Buying solutions you can only afford one of
NOT ON THE CURRENT EDITION
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Published: Mar 16, 2012
Many teams encounter problems that are caused by their test environment missing an expensive hardware component that is only present in production. While a pre-production environment in many cases cannot approach the scale of a production environment, all of its components should be present. We recommend not buying solutions you can only afford one of, such as SAN, firewalls or load balancers, as this prevents realistic testing anywhere but in production.