A Rationale-based Model for Architecture Design Reasoning

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10.1.2 Introduction to Bayesian Belief Networks . . . . . . . . . . . . . . . 168 10.2 Building a BBN to represent an AREL model . . . . . . . . . . . . . . . . . 169 10.2.1 Nodes: Representing architecture elements and decisions . . . . . . . 170 10.2.2 Edges: Representing causal relationships . . . . . . . . . . . . . . . . 171 10.2.3 Probabilities: Quantifying the causal relationships . . . . . . . . . . 172 10.3 Reasoning about change impact with AREL . . . . . . . . . . . . . . . . . . 177 10.3.1 An example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177 10.3.2 Original beliefs modelled by AREL . . . . . . . . . . . . . . . . . . . 181 10.3.3 Predictive reasoning . . . . . . . . . . . . . . . . . . . . . . . . . . . 182 10.3.4 Diagnostic reasoning . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 10.3.5 Combining diagnostic and predictive reasoning . . . . . . . . . . . . 186 10.4 Discussions and limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . 189 10.5 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190 11 Tool implementation 191 11.1 Capturing architecture design rationale . . . . . . . . . . . . . . . . . . . . 192 11.2 Checking AREL models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195 11.3 Tracing AREL models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197 11.4 Analysing AREL with BBN . . . . . . . . . . . . . . . . . . . . . . . . . . . 199 11.5 Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 11.6 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203 12 Conclusions 204 12.1 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 xi
12.2 Contributions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 12.2.1 Design rationale survey . . . . . . . . . . . . . . . . . . . . . . . . . 206 12.2.2 Design rationale representation . . . . . . . . . . . . . . . . . . . . . 207 12.2.3 Design rationale applications . . . . . . . . . . . . . . . . . . . . . . 208 12.2.4 Tool implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . 210 12.3 Future work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210 Bibliography 212 IV Appendices 227 A – AREL tool user manual 228 B – Creating stereotype package in Enterprise Architect 237 C – A survey questionnaire on architecture rationale 239 D – A questionnaire to validate the AREL model 247 List of related publications 255 xii
Page 1 and 2: A Rationale-based Model for Archite
Page 3 and 4: maintenance. These techniques can h
Page 5 and 6: Declaration This thesis contains no
Page 7 and 8: 2.2.6 DoD Architecture Framework .
Page 9 and 10: 5.4.6 Risk assessment in architectu
Page 11: 8.2 The architecture rationalisatio
Page 15 and 16: 6.10 ≪AR≫ and ≪AAR≫ Stereot
Page 17 and 18: 11.13A Process to Synchronise Chang
Page 19 and 20: 5.13 Design Rationale Helps Evaluat
Page 21 and 22: that architecture design is highly
Page 23 and 24: 1.2. Research motivations and resea
Page 25 and 26: 1.2. Research motivations and resea
Page 27 and 28: 1.4. Structure of the thesis the ch
Page 29 and 30: Part I Problem Analysis 10
Page 31 and 32: 2.1. Industry practice of design ra
Page 33 and 34: 2.2. Architecture frameworks and de
Page 43 and 44: Chapter 3 Related work in design ra
Page 45 and 46: 3.2. Why do we need design rational
Page 47 and 48: 3.2. Why do we need design rational
Page 49 and 50: 3.3. Existing methods for capturing
Page 57 and 58: 3.4. Other related studies 3.3.7 Qu
Page 59 and 60: 3.4. Other related studies evolutio
Page 61 and 62: 3.5. How well design rationale meth
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3.5. How well design rationale meth
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Chapter 4 Research methodology and
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4.1. Software engineering research
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4.2. The chosen research and valida
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Part II Architecture Design Rationa
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on a regular basis. Their inputs ha
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5.1. Architecture rationale in the
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5.2. Survey methodology data collec
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5.3. Survey findings experience). I
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5.3. Survey findings Table 5.1: Fre
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5.3. Survey findings Business Goals
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5.3. Survey findings 5.3.5 Document
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5.3. Survey findings Table 5.8 summ
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5.3. Survey findings We used Spearm
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5.3. Survey findings previous desig
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5.4. Discussion of findings Since t
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5.4. Discussion of findings or cons
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5.5. Limitations and use design rat
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Part III The Representation and App
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6.1. A conceptual model for design
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6.2. Architecture Rationale and Ele
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6.2. Architecture Rationale and Ele
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6.3. Architecture elements Figure 6
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6.4. Architecture rationale Figure
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6.4. Architecture rationale • ris
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6.4. Architecture rationale depicts
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6.5. The extended AREL To prevent c
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6.6. A UML representation of AREL a
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6.6. A UML representation of AREL a
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6.7. AREL usability AE by ≪AEsupe
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6.8. Summary The AREL model is exte
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7.1. The EFT system reasoning, a co
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7.1. The EFT system The processing
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7.1. The EFT system not chosen beca
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7.1. The EFT system Figure 7.5: Int
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7.1. The EFT system sequence checki
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7.1. The EFT system Figure 7.7: Dec
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7.1. The EFT system Therefore, in a
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7.1. The EFT system Figure 7.10: De
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7.2. An empirical study to validate
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7.3. Summary The case study is spec
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8.1. Background Based on these assu
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8.2. The architecture rationalisati
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8.3. Other applications of ARM As d
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8.3. Other applications of ARM Figu
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8.3. Other applications of ARM area
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Chapter 9 Architecture rationale an
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9.1. Background 9.1 Background In t
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9.2. Traceability of architecture r
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9.4. AREL and eAREL traceability ap
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Chapter 10 Architecture decision de
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10.1. Background 10.1.2 Introductio
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10.2. Building a BBN to represent a
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10.3. Reasoning about change impact
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10.5. Summary design object may cau
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11.1. Capturing architecture design
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11.1. Capturing architecture design
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11.2. Checking AREL models Figure 1
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11.3. Tracing AREL models Figure 11
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11.4. Analysing AREL with BBN • S
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11.5. Limitations Figure 11.13: A P
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Chapter 12 Conclusions 12.1 Summary
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12.2. Contributions reasoning metho
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12.2. Contributions implementations
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12.3. Future work architecture deci
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12.3. Future work to examine the co
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BIBLIOGRAPHY [10] B. W. Boehm, Soft
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BIBLIOGRAPHY [37] A. Eden and R. Ka
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BIBLIOGRAPHY [62] J. D. Herbsleb an
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BIBLIOGRAPHY [89] N. Lassing, D. Ri
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BIBLIOGRAPHY [115] D. L. Parnas,
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BIBLIOGRAPHY [142] Z. Simsek and J.
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BIBLIOGRAPHY [167] W. F. Tichy, N.
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Appendix A AREL Tool User Manual 1
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4.1 AREL Check Model When the Check
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4.2 AREL Model Tracing AREL model t
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Figure 9 - result of downward trace
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To initiate the graph’s creation,
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onto the diagram 14 Assign values t
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Useful Definitions The following ar
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) Some projects only c) Not at all
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19. I revisit architecture design d
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Complaint Procedure If you have any
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Privacy Protection Only investigato
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B. Exploring design reasoning. 1. W
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3. Why does the system use asynchro
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C. General Comments on AREL Modelli
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IEEE Computer Society Press. A. Tan
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