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What does Day 0 mean?
Here’s what each term means: Day 0: Day 0 refers to the initial deployment or installation of a network or a network device. This stage involves setting up the physical infrastructure, configuring the hardware, and installing the software.What is Day 0 & why is it important?
But, it makes sense given day-0 operations usually start before there's anything to, well, operate. Which is to say, day-0 is all about planning. Whether it's a brand new product or new features, all interested parties meet to discover what's needed to make sure the software performs as expected. Day-0 usually helps answer questions like:What is the difference between Day 0 and Day 1?
In military parlance, Day 0 is the very first day of training, when recruits enter their formative stage. In software development, it represents the design phase, during which project requirements are specified and the architecture of the solution is decided. Day 1 involves developing and deploying software that was designed in the Day 0 phase.