Fowler has a longer article on the topic of modernizing legacy systems that discussed this. I found it worth a read, even though it appears to be in flux: https

Fowler has a longer article on the topic of modernizing legacy systems that discussed this. I found it worth a read, even though it appears to be in flux: https://martinfowler.com/articles/patterns-legacy-displacement/ https://martinfowler.com/articles/patterns-legacy-displaceme...