Engineering deep-dives and strategic analysis on legacy modernization. New post every week.
Typical COBOL to Java migrations run 3 to 12 months for isolated applications and 2 to 5 years for core systems. Here's what sets the timeline, phase by phase.
Automated COBOL to Java conversion is reliable, conditionally. Here's what the published benchmarks show, where accuracy breaks down, and how to verify output.
Rehost, refactor or rearchitect? Here's what each mainframe modernization strategy costs you in year 3, and how to tell which one fits your estate.
Most failed mainframe modernization projects share the same 6 decisions. Here's what goes wrong, when it becomes visible, and how to structure around it.
Conway's Law decides your modernization outcome. How to spot a distributed monolith, restructure teams first, and keep legacy knowledge from walking out.
Cloud bills often rise after modernization. Here is why lift-and-shift inverts the economics, and how FinOps, unit economics and correct sequencing fix it.
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