Duplication? Yes, please!

A common topic when discussing IT in organisations is how to structure software teams, more specifically, how do we divide work when a company grows enough that one team is not enough anymore, and how do we deal we shared code?

This is not a simple question and probably deserves a few blog posts about it, but now I wanted to focus on one specific aspect of it, which is the duplication of effort.

A simple example would be if my company has multiple teams delivering software, they will eventually find the same problems, as in how to deploy code, how to do logging (the classic example!), monitoring and other things like that.

And in almost all organisations I have been, the response is unanimous: we should invest in building shared tools/capability to do that! It’s all in the name of uniformity and standardisation, which must be a good thing.

Well, as you might imagine at this point, I disagree.

Building shared applications in IT is the equivalent of economies of scale for software, and it is as outdated in IT as it is in other industries.

In knowledge work (as we all agree software development is at this point), no effort is really duplicated. You can develop the same thing 100 times and you are most likely getting 100 different results, some quite similar but yet different. And that small difference between each other is where innovation lies.

This is the trade off that companies should be aware of. If people don’t have freedom to experiment and look for different solutions for problems, is very easy to get to a place where everyone is stuck in the old way of thinking. And that’s what companies are really doing when making people use common tools, shared applications, etc.. They are putting cost-saving in front of innovation, a lot of times without realising it.

And I don’t mean we can’t all learn from each other and reuse solutions when they are appropriate. After all, there is still a place for economies of scale when appropriate.

We are all standing on the shoulders of people that came before us and should keep doing it, even internally to an organisation. But that should be an organic and evolutionary process, not one that is defined by an architecture team.

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