NaviLine’s RPG-based business logic will largely remain untouched throughout the whole process. “Half of our lines of code are back-end processing for reports and building updates and things like that,” Mooney says. “We’ll never have to convert those. They’ll still run on the iSeries in the background. While they can be initiated from a new screen in LANSA, we won’t have to touch them. That’s one of the major reasons we chose LANSA.”