Software Engineering I - Chair for Applied Software Engineering

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Bonus Question • What changes to the requirements should have been done to avoid the Heathrow desaster? © 2008 Bernd Bruegge Introduction into Software Engineering Summer 2008 66
Exercise Solution • Available information on the internet. Examples • http://blogs.zdnet.com/projectfailures/?p=610 • http://www.bloomberg.com/apps/news? pid=conewsstory&refer=conews&tkr=FDX:US&sid=aY4IqhBRcytA • Examples of requirements: • Automate the processing of No-Show passengers • Use a high bay storage area (“high rack warehouse”) • Provide a chaotic storage capability • Combine two existing luggage systems (“legacy systems”): Early (hours before) and last minute checkins • The system must be tested with 2500 volunteers • The throughput must be at least 12000 suitcases/hour. © 2008 Bernd Bruegge Introduction into Software Engineering Summer 2008 67
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Software Engineering I: Software Te
Page 3 and 4:
Software Lifecycle Definition • S
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Software Lifecycle Activities ...an
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What is the best Software Lifecycle
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What does the Customer say? © 2008
Page 15 and 16: Techniques to elicit Requirements
Page 17 and 18: More Definitions • Scenario: “A
Page 19 and 20: Scenario-based Design • Focuses o
Page 21 and 22: A Visionary Scenario (1954): The Ho
Page 23 and 24: How do we find scenarios? • Don
Page 25 and 26: Scenario example: Warehouse on Fire
Page 27 and 28: After the scenarios are formulated
Page 29 and 30: How to find Use Cases • Select a
Page 31 and 32: Use Case Example: ReportEmergency F
Page 33 and 34: Allocate a Resource (cont’d) •
Page 35 and 36: Requirements Elicitation: Difficult
Page 37 and 38: Defining the System Boundary is dif
Page 39 and 40: Example of an Ambiguous Specificati
Page 41 and 42: Requirements Process :problem state
Page 43 and 44: Types of Requirements • Functiona
Page 45 and 46: Types of Nonfunctional Requirements
Page 47 and 48: Types of Nonfunctional Requirements
Page 49 and 50: Some Quality Requirements Definitio
Page 51 and 52: What should not be in the Requireme
Page 53 and 54: Requirements Validation (2) • Cla
Page 55 and 56: Tools for Requirements Management (
Page 57 and 58: Prioritizing requirements • High
Page 59 and 60: Nonfunctional Requirements (Questio
Page 61 and 62: Nonfunctional Requirements (3) Syst
Page 63 and 64: Nonfunctional Requirements (5) Reso
Page 65: Exercise • Reverse engineer the r
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Software Engineering I - Chair for Applied Software Engineering

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