Difference between revisions of "Waterfall model"
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The [[Waterfall model]] (also known as [[Waterfall methodology]]; hereinafter, the ''Model'') is a sequential design process where progress is seen as flowing steadily downwards through the phases. These ''phases'' vary from one model to another:<blockquote><table class="wikitable" width=100% style="text-align:center;"><tr><th rowspan="3">[[Waterfall model]]</th><td>'''Initial''' (by Winston W. Royce)</td><td colspan="2">'''Requirements''' (system and software), captured in a product requirements document</td><td>'''Analysis''', resulting in models, schema, and business rules</td><td>'''Design''', resulting in the software architecture</td><td>'''Coding''': the development, proving, and integration of software</td><td>'''Testing''', resulting in the systematic discovery</td><td colspan="3">Debugging of defects and '''operations''': the installation, migration, support, and maintenance of complete systems</td></tr><tr><td>'''DOD'''-STD-2167A</td><td colspan="3">'''Preliminary''' Design</td><td>Detailed '''Design'''</td><td>'''Coding'''</td><td>Unit '''Testing'''</td><td colspan="3">'''Integration''' and further testing</td></tr><tr><td>'''Classic'''</td><td>'''Conception'''</td><td>'''Initiation'''</td><td>'''Analysis'''</td><td>'''Design'''</td><td>'''Construction'''</td><td>'''Testing'''</td><td colspan="3">'''Deployment''' and maintenance</td></tr><tr><td rowspan="2" style="background-color:#fff;">'''[[DADP]]'''</td><td style="background-color:#fff;">[[Deductive DADP|Deductive DADP]]</td><th colspan="2">[[Enterprise discovery|'''D'''iscover]]</th><th>[[Enterprise analysis|'''A'''nalyze]]</th><th>[[Enterprise design|'''D'''esign]]</th><th>[[Enterprise planning|'''P'''lan]]</th><td colspan="4" style="background-color:#fff;"> </td></tr><tr><td style="background-color:#fff;">[[Inductive DADP|Inductive DADP]]</td><td colspan="5" style="background-color:#fff;"> </td><th>[[Enterprise discovery|'''D'''iscover]]</th><th>[[Enterprise analysis|'''A'''nalyze]]</th><th>[[Enterprise design|'''D'''esign]]</th><th>[[Enterprise planning|'''P'''lan]]</th></tr></table></blockquote>[[File:Waterfall.png|400px|thumb|right|[[Waterfall model]]]] | The [[Waterfall model]] (also known as [[Waterfall methodology]]; hereinafter, the ''Model'') is a sequential design process where progress is seen as flowing steadily downwards through the phases. These ''phases'' vary from one model to another:<blockquote><table class="wikitable" width=100% style="text-align:center;"><tr><th rowspan="3">[[Waterfall model]]</th><td>'''Initial''' (by Winston W. Royce)</td><td colspan="2">'''Requirements''' (system and software), captured in a product requirements document</td><td>'''Analysis''', resulting in models, schema, and business rules</td><td>'''Design''', resulting in the software architecture</td><td>'''Coding''': the development, proving, and integration of software</td><td>'''Testing''', resulting in the systematic discovery</td><td colspan="3">Debugging of defects and '''operations''': the installation, migration, support, and maintenance of complete systems</td></tr><tr><td>'''DOD'''-STD-2167A</td><td colspan="3">'''Preliminary''' Design</td><td>Detailed '''Design'''</td><td>'''Coding'''</td><td>Unit '''Testing'''</td><td colspan="3">'''Integration''' and further testing</td></tr><tr><td>'''Classic'''</td><td>'''Conception'''</td><td>'''Initiation'''</td><td>'''Analysis'''</td><td>'''Design'''</td><td>'''Construction'''</td><td>'''Testing'''</td><td colspan="3">'''Deployment''' and maintenance</td></tr><tr><td rowspan="2" style="background-color:#fff;">'''[[DADP]]'''</td><td style="background-color:#fff;">[[Deductive DADP|Deductive DADP]]</td><th colspan="2">[[Enterprise discovery|'''D'''iscover]]</th><th>[[Enterprise analysis|'''A'''nalyze]]</th><th>[[Enterprise design|'''D'''esign]]</th><th>[[Enterprise planning|'''P'''lan]]</th><td colspan="4" style="background-color:#fff;"> </td></tr><tr><td style="background-color:#fff;">[[Inductive DADP|Inductive DADP]]</td><td colspan="5" style="background-color:#fff;"> </td><th>[[Enterprise discovery|'''D'''iscover]]</th><th>[[Enterprise analysis|'''A'''nalyze]]</th><th>[[Enterprise design|'''D'''esign]]</th><th>[[Enterprise planning|'''P'''lan]]</th></tr></table></blockquote>[[File:Waterfall.png|400px|thumb|right|[[Waterfall model]]]] | ||
| − | ==Related | + | ==Related lectures== |
*[[Project Management Quarter]]. | *[[Project Management Quarter]]. | ||
[[Category: Septem Artes Administrativi]][[Category: Articles]] | [[Category: Septem Artes Administrativi]][[Category: Articles]] | ||
Revision as of 12:42, 4 January 2019
The Waterfall model (also known as Waterfall methodology; hereinafter, the Model) is a sequential design process where progress is seen as flowing steadily downwards through the phases. These phases vary from one model to another:
Waterfall model Initial (by Winston W. Royce) Requirements (system and software), captured in a product requirements document Analysis, resulting in models, schema, and business rules Design, resulting in the software architecture Coding: the development, proving, and integration of software Testing, resulting in the systematic discovery Debugging of defects and operations: the installation, migration, support, and maintenance of complete systems DOD-STD-2167A Preliminary Design Detailed Design Coding Unit Testing Integration and further testing Classic Conception Initiation Analysis Design Construction Testing Deployment and maintenance DADP Deductive DADP Discover Analyze Design Plan Inductive DADP Discover Analyze Design Plan
