Within a project life cycle, there are generally one or more phases that are associated with the development of the product, service, or result.
A product life cycle is the series of phases that represent the evolution of a product, from concept through delivery, growth, maturity, and to retirement.
PMBOK Guide Key Component, phase gates, may be referred to by other terms such as,
In phase gate PMBOK Guide key Component, go/no-go decision is made as a result of this comparison to
Adaptive life cycles are also referred to as agile or change-driven life cycles
The project scope, time, and cost are determined in the early phases of the life cycle in
The detailed scope is defined and approved before the start of an iteration.
The project scope is generally determined early in the project life cycle, but time and cost estimates are routinely modified as the project team’s understanding of the product increases
Project phases may be established based on
the deliverable is produced through a series of iterations that successively add functionality within a predetermined time frame.