Progressive Admission Pattern - story slicing

I don't know if there is another name for this pattern, but I've been calling it "progressive admission" and using it for many years. It is a story splitting skill, related to the "walking skelton" AKA "tracer bullet" technique. Say you are about to build a program that reads from a message queue and processes messages. Start Closed The first stage is to build the end-to-end system (reader,…