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Modernizing Legacy Systems: Software Technologies, Engineering Processes, and Business Practices by Grace A. Lewis, Daniel Plakosh, Robert C. Seacord

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Chapter 18. Recommendations

Recommendations
 

Those are my principles. If you don't like them I have others.

 
 --Source unknown

In this, our final, chapter, we rise above the day-to-day struggles of modernizing legacy systems and consider the principles that can guide you along your path to fully evolvable, modernized systems.

Find a Better Way

Find a better way of doing things rather than simply trying to improve the way things have been done in the past. Many modernization efforts simply replace old legacy code with new legacy code. Although this extends the useful lifetime of the legacy systems, this approach often leaves possible moves unplayed.

When deciding how ...

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