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Abstract Requirements Engineering 1.0

Abstract Requirements Engineering 1.0



Ideas about Requirements Engineering

Ideas about Requirements Engineering



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    Abstract Requirements Engineering 1.0 Abstract Requirements Engineering 1.0 Presentation Transcript

    • Abstract Requirements Engineering Draft 1.0 (12.06.2013) by Michael Kuegeler Munich Email: mkuegeler@gmail.com
    • Complexity
    • Application System D Media B View B Requirement Requirement YRequirement Z Media A Requirement X Role 1 Role 2 Business Owner Time System C Requirement View A Budget
    • Form follows Function
    • The centralized Approach Roles Views MediaSystem Application
    • Guide Lines • Consider multiple elements • Use formalized descriptions • Try out spatial visualization of requirements • Think about CRUD (Create, Read, Update, Delete) • Imagine Media • Define roles (Personas) • Regard scenario and process as related • Identify internal and external dependencies
    • A Case Structure Business Case Epic Story Scenario Scenario Story Scenario Scenario Epic Story Scenario Scenario Story Scenario Scenario 1 1.1 2 1.2 1.1.1 1.1.2 2.1 2.2 1.2.1 1.2.2 2.1.1 2.1.2 2.2.1 2.2.2 Layer B Layer A Layer C > Condition > > Condition > > Condition >
    • A Formalized Story I as Personas (Who) need a functionality (What) to achieve following business value (Why) What WhyWho Layer A Action ReadCreate Layer B Update Delete Media MailFile Layer C Voice Print OR OR OR OR OR OR
    • Case Template Business Case 1.1 Epic 1.1.1 Story 1.1.2 Story 1.1.3 Story 1.1.4 Story Persona Media: File Persona Persona Persona Action: Read Action: Write Action: Read Action: Read 1.2 Epic Media: Mail Media: Voice Media: Data
    • Multiple Sensors / Configuration • A user wants to connect (add) an additional sensor with his already paired starter kit. • A user wants to disconnect (delete) a sensor from his starter kit configuration. • A user wants to replace (update) a sensor because the current one is no longer working.
    • Case Template (Example) Business Case: Management of Multiple Sensors and Base Stations 1.1 Epic: Manage Multiple Sensors 1.1.1 Add a sensor 1.1.2 View sensor status 1.1.3 Remove a sensor 1.1.4 Replace a sensor End User (Martin) Media: Data End User (Martin) End User (Martin) End User (Martin) Action: Create Action: Read Action: Delete Action: Update 1.2 Epic: Manage Multiple Base Stations Media: Data Media: Data Media: Data Story Points: 8 Story Points: 5 Story Points: 13 Story Points: 13
    • Fibonacci Sequence 0 1 2 3 4 5 6 0 1 1 2 5 8 13 The next number is found by adding up the two numbers before it. Leonardo da Pisa, also called Fibonacci (* 1180? in Pisa; † after 1241? In Pisa)
    • Example: Estimation (Complexity) No effort, already realized0 = Implementation is well-known, commodity work5 = Implementation is known, however some effort required8 = Implementation is partly known, medium effort13 = Implementation is partly known, much effort21 = Implementation is almost unknown, research required34 =