Rewrite the Monolith or Keep Patching It
What is the gap between patching and a smaller change surface?
Run A costs $1,458,000 a year above the work. Run B costs $172,800 a year. The gap is $1,285,200. Set that gap next to the rewrite budget.
Does the calculator price the rewrite project?
The calculator prices the two annual figures. It does not price the rewrite project.
What does the current surface return?
Connascence degree 10, interdependence 0.6, and 30 coordination hours return 7.75x and $46,500 per feature.
Which inputs change between the two runs?
First set Connascence Degree to 10 and Coordination Overhead to 30, with Interdependence Factor at 0.6. Then set Connascence Degree to 2 and Coordination Overhead to 8, with Interdependence Factor at 0.3.
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