|Feasibility: ||Defining a preferred
concept for the software product, and determining its life-cycle
feasibility and superiority to alternative concepts.
|Requirements: ||A complete, verified specification
of the required functions, interfaces, and performance for the software
|Product Design: ||A complete verified
specification of the overall hardware-software architecture, control
structure, and data structure for the product, along with such other
necessary components as draft user's manuals and test plans.
|Detailed Design: ||A complete verified
specification of the control structure, data structure, interface
relations, sizing, key algorithms, and assumptions of each program
|Coding: ||A complete, verified set of program
|Integration: ||A properly function software
product composed of the software components.
|Implementation: ||A fully functioning operational
hardware-software system, including such objectives
as program and data conversion, installation, and training.
|Maintenance: ||A fully functioning update of the
hardware-software system repeated for each update.
|Phaseout: ||A clean transition of the functions
performed by the product to its successors.