Design of software

The design of software implements a whole whole of activities which starting from a request for computerization of a process (request which can go from the oral simple matter to the complete schedule of conditions) allow the design, the writing and the development of a Logiciel (and thus of computer programs) until its delivery with the applicant.

In general, the design of software will follow 3 great phases:

Phase of analysis (functional) or conception
Durant this phase, one carries out simultaneously the study of the data and the study of the treatments to be carried out. It is in general in this phase that apply the techniques of modeling. It results from this the description of the possible Databases to create and the programs to be written and the way in which all that will be integrated.

Specification
Design
Definition of the architecture

Phase of realization or programming (writing and tests of the programs)

Algorithmic
Coding
Programming
Management of versions
Refactoring
unit Tests
Optimization of the code

Phase of delivery

Integration
Validation
Documentation of the software
Packaging

Modeling

Methods of modeling

A method of analysis and of design aims to make it possible to formalize the preliminary stages of the development of a system in order to make this development more faithful to the customer requirements. Among the most known methods one can in particular quote Merise, RAD and SADT

detailed article: Methods of analysis and of design

Methods of development (Project management)

nimble Method

Extreme programming (XP)
Dynamic systems development method (DSDM)
Adaptive software development (ASD)
Scrum
Feature driven development
Hook clear

Merise

Languages of modeling

UML
GOOD
Merise

Object approaches

Directed object
Interface of class

Traditional shelves

the silver ball
Prototyping
the Plated gold
the Law of Brooks

External bonds

Article the process unified an iterative software development process

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