A lifecycle methodology enforces some very important processes that deliver critical value to Service Delivery. Some key contributions are:
Business driven goals (e.g. profit, performance, credible schedules, resource effectiveness….)
Roles and responsibility clarification (e.g. delegation, decision making, optimization….)
Organizational effectiveness (e.g. resource structure for task, enable cross functional efforts….)
Planning enforcement at the beginning before major resources committed
Continuous learning enabled that builds core competency in credible delivery plans.