Appendix
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67
68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84
85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101
102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118
119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135
136 137 138 139 140 141 142 143 144 145 146
Table for the Selection of Life-Cycle
Lifecycle model
capability
Pure
Waterfall Code & fix Spiral
model
Modified
Waterfall
Evolutionary
Prototyping
Staged
Delivery
Evolutio
nary
Delivery
Design-to-
Schedule
Design-to-
Tools
Commercial Off
the Shelf
Software
Works with poorly
understood
requirements
Poor Poor Excellent Fair to
Excellent Excellent Poor Fair to
Excellent Poor to Fair Fair Excellent
Works with poorly
understood
architecture
Poor Poor Excellent Fair to
Excellent Poor to Fair Poor Poor Poor Poor to
Excellent Poor to Excellent
Produces highly
reliable systems Excellent Poor Excellent Excellent Fair Excellent Fair to
Excellent Fair Poor to
Excellent Poor to Excellent
Produces system
with large growth
envelope
Excellent Poor to
Fair Excellent Excellent Excellent Excellent Excellent Fair to
Excellent Poor N/A
Manages risks Poor Poor Excellent Fair Fair Fair Fair Fair to
Excellent
Poor to
Fair N/A
Can be constrained
to a predefined
schedule
Fair Poor Fair Fair Poor Fair Fair Excellent Excellent Excellent
Has low overhead Poor Excellent Fair Excellent Fair Fair Fair Fair Fair to
Excellent Excellent
Allows for
midcourse
corrections
Poor Poor to
Excellent Fair Fair Excellent Poor Fair to
Excellent Poor to Fair Excellent Poor
Provides customer
with progress
visibility
Poor Fair Excellent Fair Excellent Fair Excellent Fair Excellent N/A
Provides
management with
progress visibility
Fair Poor Excellent Fair to
Excellent Fair Excellent Excellent Excellent Excellent N/A
Requires little
manager or
developer
sophistication
Fair Excellent Poor Poor to
Fair Poor Fair Fair Poor Fair Fair
Adapted from McConnell (1996)