Strangler fig migrations, parallel running, ROI math, and the change-management work that turns a risky modernization into a controlled one.
Most legacy migrations fail in one of three places: they freeze the business while the cutover runs, they underprice the data work, or they ignore the people who actually use the old system. The patterns that work look nothing like a forklift replacement. Strangler fig deployments swap functionality piece by piece behind a routing layer. Parallel running compares old and new outputs before anyone trusts the new one. ROI math gets honest about decommissioning cost, not just shiny new features.
This hub gathers the playbooks and worked examples we use on modernization engagements. Start with the migration guide for the architectural patterns, then read the change-management piece before you draft a single timeline. The cloud-migration and digital-maturity guides give you the decision tools to pick a target architecture and pace, while the ROI measurement guide helps you defend the project in front of a CFO who has seen too many over-budget transformations.
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