![]() Single Points of Failure – One of the most common reasons control systems go down, is a single point of failure somewhere in the system. These are some of the most common gaps that are easily missed in complex system designs. Let us break the reasons into three categories:ģ) The Unexamined Cost of Recovery 1) System Architecture Why do bad things happen to good control systems? When there are issues, they are quickly identified, and the fixes rolled out painlessly. All core features can be counted on to work together predictably over time, with little responsibility on the end user to maintain them. All with the confidence of knowing there was centralized quality control by a single company that oversaw the hardware and software. It was a single, unified platform that brought together the Internet, email, an accelerometer, a digital camera and a full marketplace of programs, or apps, that anyone could create and share with users. What Jobs pulled from his pocket that day was much more. Most assumed that this would simply be a flip phone grafted onto their popular iPod music device. When the legendary Apple CEO Steve Jobs appeared on stage at the Macworld Conference & Expo in 2007, the audience was already expecting him to introduce the first iPhone. The iPhone is an example of a unified system approach done well.
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