Requirement Types (Razvan Radulian, 2008)

Requirement Types 1. Why should we care? 2. What are they? 3. How should we use them? RTP IIBA Chapter, April 26 th , 2008 Razvan Radulian, VP of Marketing Founder & President of Why-What-How Consulting, LLC

Objectives/Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Core definitions: A Requirement… ,[object Object],[object Object],[object Object],[object Object]

… or, in plain English ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],#2 “The Requirements Engineering Handbook”, Ralph Young, 2004

Principles and practices ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Definitions: Other terms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What are they? List known Requirement Types…

Requirement Types: some examples ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Emerged need: Organize and simplify…

Solution: Categories & Criteria… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],… and, yet, the list STILL can go on and on!

Criteria: Multiple Perspectives… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Project team ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Technical team ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],System Scope Users System Reqs/model ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Customers Detailed-level High-level Scope-level

Story: The blind men and the elephant, …with a twist ! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

So… what’s so important about that? ,[object Object],[object Object],[object Object],[object Object]

Well… have you paid attention? ,[object Object],[object Object],[object Object],[object Object]

Consider: Communication “styles” ,[object Object],[object Object],[object Object]

Industry examples… ,[object Object],[object Object],[object Object],[object Object],[object Object],From Requirement Types to Requirement Levels

Borland: Requirement Structure Copyright © 2005 Borland Software Corporation. All rights reserved. HOW WHY WHAT Adapted from Karl Wiegers, Software Requirements DATA quality attribute - usability - performance - security - operational limitation BUSINESS RULE NON-FUNCTIONAL CONSTRAINT compliance FUNCTIONAL conversation/ system feature task USER goal/ strategy BUSINESS

EDS: Requirements Determination Process (RDP) Source: http://www.ottawa-outaouais.theiiba.org/events /

EDS: Requirements Determination Process (RDP) For lot more examples and details visit the Ottawa IIBA Chapter website. Evolution of a Requirement– Example #2

IIBA/BABOK 2.0 (DRAFT): Requirement levels ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Practice it: Hands-on exercise… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Project : Develop a fountain-pen for left-handed people Project team Technical team Users Customers Detailed level High level Scope level

References & additional reading ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Acknowledgements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Requirement Types (Razvan Radulian, 2008)

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