A Rationale-based Model for Architecture Design Reasoning

List of Tables
2.1 The Zachman Framework . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.1 An Analysis of the Usability Features of Design Rationale Methods . . . . . 44
4.1 Research Questions and Research Methods . . . . . . . . . . . . . . . . . . 49
4.2 Case Study Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
5.1 Frequency of Reasoning about Design Choices . . . . . . . . . . . . . . . . . 62
5.2 Importance of Design Rationale in Design Justification . . . . . . . . . . . . 62
5.3 Frequency of Considering Alternative Designs . . . . . . . . . . . . . . . . . 62
5.4 Importance of Each Generic Rationale . . . . . . . . . . . . . . . . . . . . . 63
5.5 Design Rationale Frequency of Use . . . . . . . . . . . . . . . . . . . . . . . 65
5.6 Frequency of Documenting Discarded Decisions . . . . . . . . . . . . . . . . 66
5.7 Frequency of Documenting Generic Design Rationale . . . . . . . . . . . . . 66
5.8 Reasons for Not Documenting Design Rationale . . . . . . . . . . . . . . . . 67
5.9 Design Rationale Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
5.10 Frequency of Revisiting Design Documentation before Making Changes . . 70
5.11 Tendency of Forgetting the Reasons for Justifying Design Decisions . . . . . 71
5.12 Do Not Understand Design without Design Rationale if Not Original Designer 71
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