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I think an overlooked aspect of a legacy system that makes "strangling" difficult is that nobody fully understands the behaviours of the system anymore. It is

I think an overlooked aspect of a legacy system that makes "strangling" difficult is that nobody fully understands the behaviours of the system anymore. It is really hard to replace the functionality of a piece of code when you don't know 100% what that functionality is.

ahuth 7y ago
This is a good point. I'm working on moving some functionality out of a system - not replacing the system. And it's still extremely challenging to actually figure out everything that's going on with just the thing I'm moving out.