Posts

Multi-use Models

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Models are like kitchen utensils. You need a variety of them, and you should know when and how to use them. They should be useful for more than a single task.

Verifying Models

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My name is Don, and I have a problem. I'm trying to make sense of my world. Sometime ago I asked myself the question, "What is the earliest indicator that something is going wrong?" And of course, I'm not happy with just a single problem, I'm looking for the answer for the base problem class, which all other problems inherit. What would you expect from an ENTP?

Debugging System Boundaries: The Satir Interaction Model

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People working with systems know the interactions between the system and its environment create a tremendous opportunity for success or failure. In computer systems the interfaces between components, utilities, other systems, and the user often contain the most initial defects.

Now, What is Change?

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Re-reading my blog titles occasionally leads to interesting thoughts. Many titles mention change, and most entries have something to do with change. But after all these entries no one has asked me, "Don, what do you mean 'change'?". Until recently, I haven't asked me either.

Problems with System Health

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Can knowing how one system works help you understand how other similar systems work? Do software, project and physical health have much in common?

Stabilizing Systems

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Engineers make the darndest assumptions. I made one such assumption in "Change and Stable Systems". The unstated assumption involved starting with a stable system. But what do you do if your system (as in team, project, company) is unstable?