The Quality Connection A High Quality Requirements Model [email protected]

The Quality Connection

A High Quality Requirements Model

A High Quality Requirements Model

[email protected]

www.qualityconn.comwww.qualityconn.com The Quality ConnectionThe Quality Connection22


Foundation, Scope, Objectives


Contents

Course Foundation, Scope, Objectives11

What We Know about Requirements22

Requirements Definition and Verification33

The 6 Step Requirements Process44

55 Workshops

i-1


Contents





55 Workshops

i-1


Course Foundation, ResearchCourse Foundation, Research

Foundation, Scope, Objectives 1-10


Contents





55 Workshops

i-1


Definition and Definition and Action PlanAction Plan


Terms and Terms and DefinitionsDefinitions

Terms and Terms and DefinitionsDefinitions Principles of Principles of

Reqt RecognitionReqt Recognition

Principles of Principles of


What We Know What We Know

about Reqtsabout Reqts



Causes ofCauses of

Invalid ReqtsInvalid Reqts

Causes ofCauses of


ElementsElements

Current State of the ArtCurrent State of the Art

What We Know About Reqts 2-1


Terms and DefinitionsTerms and DefinitionsWhat We Know About Reqts 2-2


Terms and DefinitionsTerms and DefinitionsWhat We Know About Reqts 2-3













Causes ofCauses of


Causes ofCauses of


ElementsElements




Principles of Reqt RecognitionPrinciples of Reqt Recognition

Thanks to David Nelson for these principles














Causes ofCauses of


Causes ofCauses of


ElementsElements




Causes of Invalid ReqtsCauses of Invalid ReqtsWhat We Know About Reqts 2-6













Causes ofCauses of


Causes ofCauses of


ElementsElements




What We Know about ReqtsWhat We Know about Reqts







What We Know About Reqts2-10






















Causes ofCauses of


Causes ofCauses of


ElementsElements





Definition and Action PlanDefinition and Action Plan








75 Times the Expense




75 Times the Expense 8 Times More Defects




75 Times the Expense 8 Times More Defects 1/10 the Time



What We Know About Reqts

A

B

A

Guaranteed (??!?) Cockroach Killer KitGuaranteed (??!?) Cockroach Killer Kit

Wooden Blocks A and B $5.00Wooden Blocks A and B $5.00

2-20




B

Steps:Steps:

2-20




B

Steps:Steps:Place Block B on TablePlace Block B on Table

2-20




B

Steps:Steps:Place Block B on TablePlace Block B on TablePlace Cockroach on Block BPlace Cockroach on Block B

2-20




B

Steps:Steps:Place Block B on TablePlace Block B on TablePlace Cockroach on Block BPlace Cockroach on Block BSmash Block B with Block ASmash Block B with Block A

A

2-20




B

Steps:Steps:Place Block B on TablePlace Block B on TablePlace Cockroach on Block BPlace Cockroach on Block BSmash Block B with Block ASmash Block B with Block AClean Up the Mess!Clean Up the Mess!

A

2-20




B

Any Problems With This Technique?Any Problems With This Technique?

A

2-20




B

Any Problems With This Technique?Any Problems With This Technique?Finding Cockroach in the First PlaceFinding Cockroach in the First Place

A

2-20




B

Any Problems With This Technique?Any Problems With This Technique?Finding Cockroach in the First PlaceFinding Cockroach in the First PlaceKeeping them Still During SmashingKeeping them Still During Smashing

A

2-20




B


A

2-20




B


A

2-20




B


A

2-20




B


A

2-20




B

Any Problems With This Technique?Any Problems With This Technique?Finding Cockroach in the First PlaceFinding Cockroach in the First PlaceKeeping them Still During SmashingKeeping them Still During SmashingIt leaves a Mess!It leaves a Mess!

A

2-20




B

How is This Just Like Requirements?How is This Just Like Requirements?

A

2-20




B

How is This Just Like Requirements?How is This Just Like Requirements?Finding Requirement in the First PlaceFinding Requirement in the First Place

A

2-20




B

How is This Just Like Requirements?How is This Just Like Requirements?Finding Requirement in the First PlaceFinding Requirement in the First PlaceKeeping them Still During CaptureKeeping them Still During Capture

A

2-20




B

How is This Just Like Requirements?How is This Just Like Requirements?Finding Requirement in the First PlaceFinding Requirement in the First PlaceKeeping them Still During CaptureKeeping them Still During CaptureIt leaves a Mess!It leaves a Mess!

A

2-20


Contents





55 Workshops

i-1


Workbench ExplosionWorkbench Explosion

Reqts Verification & Validation 3-3


Workbench ExplosionWorkbench Explosion



MPR Model with StepsMPR Model with Steps



Contents





55 Workshops

i-1


6 Step Process6 Step Process









MPR Model with StepsMPR Model with Steps



VerifyVerifyRequirementsRequirements


ValidateValidateRequirementsRequirements


Identify BusinessIdentify Business

NeedsNeeds


NeedsNeedsResolve Conflicts/Resolve Conflicts/

Trade-offTrade-off

Resolve Conflicts/Resolve Conflicts/

Trade-offTrade-off

Analyze Analyze

ImplementationImplementation

ReqtsReqts

Analyze Analyze


ReqtsReqts

ElementsElements

Analyze BusinessAnalyze Business

RequirementsRequirements



Model StepsModel Steps

The 6 Step Reqts Process 4.1-1







NeedsNeeds



Trade-offTrade-off


Trade-offTrade-off

Analyze Analyze


ReqtsReqts

Analyze Analyze


ReqtsReqts

ElementsElements






4.1-1


4.11. Identify Business Needs


4.1-11. Identify Business Needs




DoDo








NeedsNeeds



Trade-offTrade-off


Trade-offTrade-off

Analyze Analyze


ReqtsReqts

Analyze Analyze


ReqtsReqts

ElementsElements






4.1-1


3-6MPR Model with StepsMPR Model with Steps

2. Analyze Business Reqts


4.22. Analyze Business Reqts


4.2-12. Analyze Business Reqts


2. Analyze Business Reqts 4.2-2


2. Analyze Business Reqts 4.2-3







NeedsNeeds



Trade-offTrade-off


Trade-offTrade-off

Analyze Analyze


ReqtsReqts

Analyze Analyze


ReqtsReqts

ElementsElements






4.1-1


MPR Model with StepsMPR Model with Steps3. Analyze Impl. Constraints 3-6


4.33. Analyze Impl. Constraints


4.3-13. Analyze Impl. Constraints


3. Analyze Impl. Constraints 4.3-2











NeedsNeeds



Trade-offTrade-off


Trade-offTrade-off

Analyze Analyze


ReqtsReqts

Analyze Analyze


ReqtsReqts

ElementsElements






4.1-1



4. Conflicts/Tradeoff


4.44. Conflicts/Tradeoff


4.4-14. Conflicts/Tradeoff


4. Conflicts/Tradeoff 4.4-1


Step 4 ToolsStep 4 Tools





Forming Investigation TeamForming Investigation Team



Forming Investigation TeamForming Investigation Team








NeedsNeeds



Trade-offTrade-off


Trade-offTrade-off

Analyze Analyze


ReqtsReqts

Analyze Analyze


ReqtsReqts

ElementsElements






4.1-1


MPR Model with StepsMPR Model with Steps5. Verify Requirements 3-6


5. Verify Requirements 4.5


4.5-15. Verify Requirements


5. Verify Requirements 4.5-2


5. Verify Requirements 4.5-3







NeedsNeeds



Trade-offTrade-off


Trade-offTrade-off

Analyze Analyze


ReqtsReqts

Analyze Analyze


ReqtsReqts

ElementsElements






4.1-1



6. Validate Requirements


4.66. Validate Requirements


6. Validate Requirements 4.6-1











NeedsNeeds



Trade-offTrade-off


Trade-offTrade-off

Analyze Analyze


ReqtsReqts

Analyze Analyze


ReqtsReqts

ElementsElements






4.1-1


DoDo



Solve a ProblemSolve a Problem



DoDo



Achieve an ObjectiveAchieve an Objective



Achieve an ObjectiveAchieve an Objective



Contents





55 Workshops

i-1


Mission – Produce Electronic MediaMission – Produce Electronic Media

Low Low CostCost

Fast Fast Resp.Resp.

High High Qual.Qual.

Great Great ArtwkArtwk

Cust SvcCust Svc

MktingMkting

BurningBurning

Proj MgtProj Mgt

1. Identify Business Needs



Low Low CostCost




Cust SvcCust Svc XX

MktingMkting

BurningBurning XX

Proj MgtProj Mgt XX XX




Low Low CostCost




Cust SvcCust Svc ??????????

MktingMkting

BurningBurning

Proj MgtProj Mgt



Mission – Low CostMission – Low Cost

Customer Customer Service:Service:

Media Media PricePrice

LabelsLabels Burner Burner SlotsSlots

EditsEdits

Telco Telco UsageUsage

Follow upFollow up

MailersMailers

PromosPromos



Foundation, Scope, Objectives 1-6

Documents

The Quality Connection A High Quality Requirements Model [email protected]