Lesson 185 - Residuality Theory

How can we create an architecture that can accomodate constant state of change and uncertaint? The answer is Residualiy Theory. In this lesson I describe what residulaity theory is about and show how it can address the uncertainty and change we expierience every day in complicated systems.

[benbaert]

I think I understood everything that was said in the video, but I don't see how it changes my workflow concretely. I start with an initial architecture, and I am fully aware that this will need to change in the future and that there are many unknown unknowns. I already adapt to change and I already extend the architecture when new functionality is requested. Sometimes these new components cover future feature requests quite well as shown in the example; sometimes they don't and further changes are needed.

So I don't really understand how talking about this in terms of "stressors" and "residues" rather than "feature requests" and changes anything. The example of the exam/grading system made perfect sense, but I think we would have made the exact same analysis without residuality theory.

[HemalVarambhia]

Mark, by residue theory would we want to have agility as an Architecture Characteristic? Thus this sounds like we want to appeal to continuous refactoring.

[sid]

What is the correct order of the books to read?

[agvlogs]

If we look at stressor as new business requirement, would we still call it residual theory?

[agytjax]

Unless, I am missing something, what is new in "Residual Theory" ? Aren't all good architectures are built for future extensibility and adaptability ? What does this so called theory bring to the table ? Seems to me that someone published a sugar-coated thesis, which was simply based on time-tested best architectural principles to get their doctorate ! Or, Mark is not doing a great job of explaining to us, why this is different. To me, this is just old wine in a new bottle

[agytjax]

To me, this is just old wine in a new bottle to help someone get a Ph. D ! It offers nothing new
At this rate, anybody can publish a paper and use fancy names for time-tested architectural principles and call it a NEW THEORY!

[ZahidAnsari-ER-]

I know you have just scratched the surface on residuality but it does not seems very different from Micro-Kernel Architecture.