A Rationale-based Model for Architecture Design Reasoning

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viewpoints are functional requirements, non-functional requirements, information system environment, business environment and technical environment. Users may select all of the viewpoints or selected viewpoints. The AREL tool would retrieve only those elements which viewpoints have been included. The trace actions dictate whether the traceability is to be forward tracing, backward tracing or both. In forward tracing, only those AEs and ARs which are downwards from the specified AE element are retrieved. In the backward tracing, only those AEs and ARs which are upwards from the specified AE are retrieved. When Both are specified, then all upwards and downwards AEs and ARs are retrieved. On completion of the trace the following screen is displayed (Figure 7). Figure 7 – message screen after tracing is complete The result of the tracing is to create an UML graph which is stored in the same EAP repository as the AREL model. The trace results are located in the Use Case Package under Use Case Model with the name of Traceability Graph. Figure 8 – An example of an AREL model If Figure 8 is the original AREL model, a downward trace of AE2 would result in a graph such as the one in Figure 9. An upward trace of AE2 would result in a graph such as the one in Figure 10. Traceability of both directions would result in a graph such as the one in Figure 11. 233
Figure 9 – result of downward trace Figure 10 – result of upward trace Figure 11 – result of both upward and downward trace 4.3 Exporting Graph to Netica The AREL tool supports the integration between Enterprise Architect and Netica. This is done by using the AREL tool extracting the UML model and then transforming the model in a format which the Netica software can read. Since the AREL model is an acyclic model, it can be imported by Netica. When the Export BBN button is clicked, the AREL tool would first check that there are no errors in the model. It will then create the Netica file with file extension dne. The name of the file would be the name of the UML model plus the date and time when the dne file was generated. For instance, an Enterprise Architect model called ABC would have the filename ABC (20 July 2006(12-37 PM)).dne. 234
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A Rationale-based Model for Archite
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maintenance. These techniques can h
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Declaration This thesis contains no
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2.2.6 DoD Architecture Framework .
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5.4.6 Risk assessment in architectu
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8.2 The architecture rationalisatio
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12.2 Contributions . . . . . . . .
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6.10 ≪AR≫ and ≪AAR≫ Stereot
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11.13A Process to Synchronise Chang
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5.13 Design Rationale Helps Evaluat
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that architecture design is highly
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1.2. Research motivations and resea
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1.2. Research motivations and resea
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1.4. Structure of the thesis the ch
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Part I Problem Analysis 10
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2.1. Industry practice of design ra
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2.2. Architecture frameworks and de
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Chapter 3 Related work in design ra
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3.2. Why do we need design rational
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3.2. Why do we need design rational
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3.3. Existing methods for capturing
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3.4. Other related studies 3.3.7 Qu
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3.4. Other related studies evolutio
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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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10.3. Reasoning about change impact
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Page 215 and 216: 11.2. Checking AREL models Figure 1
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Page 233 and 234: BIBLIOGRAPHY [10] B. W. Boehm, Soft
Page 235 and 236: BIBLIOGRAPHY [37] A. Eden and R. Ka
Page 237 and 238: BIBLIOGRAPHY [62] J. D. Herbsleb an
Page 239 and 240: BIBLIOGRAPHY [89] N. Lassing, D. Ri
Page 241 and 242: BIBLIOGRAPHY [115] D. L. Parnas,
Page 243 and 244: BIBLIOGRAPHY [142] Z. Simsek and J.
Page 245 and 246: BIBLIOGRAPHY [167] W. F. Tichy, N.
Page 247 and 248: Appendix A AREL Tool User Manual 1
Page 249 and 250: 4.1 AREL Check Model When the Check
Page 251: 4.2 AREL Model Tracing AREL model t
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Page 259 and 260: Useful Definitions The following ar
Page 261 and 262: ) Some projects only c) Not at all
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Page 265 and 266: Complaint Procedure If you have any
Page 267 and 268: Privacy Protection Only investigato
Page 269 and 270: B. Exploring design reasoning. 1. W
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Page 275: IEEE Computer Society Press. A. Tan
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