Software change - ESSeRE

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Environment assessment 1 ©Ian Sommerville 2004 <strong>Software</strong> Engineering, 7th edition. Chapter 21 Slide 54
Environment assessment 2 ©Ian Sommerville 2004 <strong>Software</strong> Engineering, 7th edition. Chapter 21 Slide 55
Page 1 and 2:
Software evolution: Software Change
Page 3 and 4: Topics covered ● ● Strategies f
Page 5 and 6: Software change strategies ● ●
Page 7 and 8: Spiral model of evolution Specifica
Page 9 and 10: Lehman’s laws Law Continuing chan
Page 11 and 12: Software maintenance ● ● ● Mo
Page 13 and 14: Types of maintenance ● ● ● Ma
Page 15 and 16: Distribution of maintenance effort
Page 17 and 18: Maintenance costs ● Cost-effectiv
Page 19 and 20: Maintenance cost factors ● ●
Page 21 and 22: Maintenance prediction ● Maintena
Page 23 and 24: Change prediction ● ● ● Predi
Page 25 and 26: Process metrics ● ● Process mea
Page 27 and 28: Change identification and evolution
Page 29 and 30: Change implementation Proposed chan
Page 31 and 32: Urgent change ● ● ● It’s us
Page 33 and 34: Architectural evolution ● ● The
Page 35 and 36: Legacy systems distribution D e s k
Page 37 and 38: User Interface Distribution ● ●
Page 39 and 40: Key points ● Software change stra
Page 41 and 42: System re-engineering ● ● ● R
Page 43 and 44: Forward and re-engineering S ystem
Page 45 and 46: Reengineering process activities
Page 47 and 48: Reengineering cost factors ● ●
Page 49 and 50: System quality and business value H
Page 51 and 52: Business value assessment ● ● A
Page 53: Business process assessment ● ●
Page 57 and 58: Application assessment 2 Programmin
Page 59 and 60: Key points ● ● ● ● Software
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Software change - ESSeRE

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