Multiply that by two. This is a phrase I hear all the time when planning rollouts for work. I'm sure you have as well. Any time you are rolling out a new technology, you want to plan that rollout very carefully. Figure out what servers you need, where they need to be placed, and how the networking needs to be configured for those guys. Once the planning is done, order two of everything, in case one breaks. We live in a world of always-on technology. Services going down is unacceptable, particularly if we are hosting cloud or private cloud services. Really, any application or service that our users depend on to get their work done is mission-critical, and needs 100% uptime, or darn close to it. The problem with redundancy is that it's much easier to talk the talk than to walk the walk. Maybe one day we will be blessed with a magic Press...
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