Term Kind Topic What it is
Legacy Side-Effect Inventory Trigger Inventory, Write Consequence Map practice Strangler Fig The enumerated list of triggers, stored procedures, scheduled jobs and integrations that fire as a consequence of a legacy write, which determines whether a capability can be moved incrementally at all.
Seam Identification practice Strangler Fig Locating the places in a legacy system where behaviour can be intercepted and redirected, which determines whether an incremental migration is feasible at all.
Strangler Fig pattern Strangler Fig Replacing a legacy system incrementally by routing individual capabilities to new implementations until nothing is left running on the old one.