Mirroring

Digital Twins Done Right

My gosh, everyone is now writing about Digital Twins! I should be delighted, you’d assume. Someone within Gartner must have resonated with some article of mine from 20 years ago! A few examples: 1991: A simulator of complex ecosystems: https://www.reflektis.com/blog/a-beehive-simulator/ 1996: Buffered Database Communication: https://www.reflektis.nl/blog/gisi-gebufferde-database-communicatie/ (sorry, only in Dutch)… and many more I fear Well, not really. In the first place,...

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TOGAF ADM Revised

Intro TOGAF defines its process or method in something called the ADM: the Architecture Development Method. It is usually represented by the illustration below, with the familiar arrangement of circles around Requirements Management, which has come to be the iconic representation of TOGAF. Waterfall mindset The Open Group itself is clear on the ADM in that it is not necessarily a waterfall-like process (although it can be executed in such a fashion). It is supposed to be iterative and incremental,...

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Logging architecture decisions

Or: don’t use the architecture Decision Log as a control mechanism. Tempting isn’t it? All those architecture decisions get logged there. Favourite pastime of the control-freak enterprise architect: review the logged items and write comments on them, reset their state from accepted to rejected. Don’t. Well, let them log. Let them review. Let them improve. But don’t interfere unless absolutely necessary. And with necessary I usually mean: you have something to bring to...

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