Architectures for Adaptive Software Systems: 5th International Conference on the Quality of Software Architectures, QoSA 2009, East Stroudsburg, PA, USA, June 24-26, 2009 Proceedings

front-matter.pdf......Page 1
Introduction......Page 10
Comparison of Debugging Processes......Page 11
CALICO Autonomic Control Loop......Page 13
CALICO Metamodels to Support Autonomic Systems......Page 14
QoS Metamodel......Page 15
Link between QoS Specification and QoS Sensors......Page 16
Adaptation Metamodel......Page 17
Application Loader Tool......Page 19
Implementation Status......Page 20
Evaluation......Page 21
Related Work......Page 23
References......Page 25
Introduction......Page 27
Overview of a Real-Time Component Middleware......Page 29
Inherent and Accidental Complexities in Deployment and Configuration......Page 30
Enhancing the Quality of DRE System Software Architectures......Page 31
Representative Case Study......Page 32
Heuristics-Based Model-Transformation Algorithm......Page 33
Resolving the Challenges in Optimizing QoS Configurations......Page 36
Experimental Setup and Empirical Results......Page 37
Discussion......Page 38
Related Work......Page 39
Concluding Remarks......Page 41
References......Page 42
Introduction......Page 45
Terms and Technology......Page 46
Approach......Page 48
Analysis Graph Extraction......Page 49
Analysis Graph Completion by Clustering......Page 52
Check Consistency Rules......Page 54
Matrix Framework......Page 55
Results and Interpretation......Page 56
Related Work......Page 57
Conclusion......Page 58
References......Page 59
Introduction......Page 61
Related Work......Page 63
Software Cartography......Page 64
Software Performance Prediction and Visualization......Page 65
Chosen Visualizations in the New Approach......Page 67
Applying the Software Cartography Approach to Visualizing Performance Information......Page 69
Evaluation......Page 71
Scenarios: Performance Design Decisions......Page 72
Phase 1 Results......Page 74
Phase 2 Results......Page 75
References......Page 76
Introduction......Page 79
Model Evolution with KAMI......Page 81
Introduction to Queueing Networks......Page 83
Queueing Networks for Open Systems......Page 85
Parameter Estimation and Run-Time Update......Page 86
A Running Example......Page 87
Related Work......Page 91
Conclusion and Future Work......Page 92
References......Page 93
Introduction......Page 95
Process Control Architectures......Page 96
Formal Semantics......Page 98
Compositional Semantics......Page 100
Grey-Box Components......Page 101
Black-Box Components......Page 103
Component Deployment......Page 105
Parametrized and Compositonal Verification......Page 107
Related Work and Conclusions......Page 108
References......Page 109
Introduction......Page 110
The Production Cell - a Running Example......Page 111
The Architecture Analysis and Design Language......Page 112
The Timed Abstract State Machines......Page 113
The AADL Behavior Annex Extension......Page 114
Translation Semantics......Page 115
Tool Support......Page 118
Simulation......Page 119
Related Work......Page 121
Conclusions and Further Work......Page 122
References......Page 123
Introduction......Page 125
IT Infrastructure......Page 127
Preliminary Research and Tool Selection......Page 128
Refactoring the Architecture......Page 130
Maintaining Visibility......Page 135
Lessons Learned......Page 136
References......Page 137
Introduction......Page 139
State of AK Sharing Practice......Page 140
AK Practices in Context......Page 145
Refined Model of Causality......Page 149
Threats to Validity......Page 151
Motivation and Emotion in Architectural Knowledge Sharing......Page 152
Conclusions......Page 153
References......Page 154
Introduction......Page 155
Definition......Page 156
Related Work......Page 157
Systems under Discussion......Page 158
Grid Architecture Recovery......Page 159
MIDAS Architecture Refactoring......Page 160
Connector Envy......Page 161
Scattered Parasitic Functionality......Page 164
Ambiguous Interfaces......Page 165
Extraneous Adjacent Connector......Page 167
Conclusion......Page 169
References......Page 170
Introduction......Page 172
Related Work......Page 173
Data-Center Description......Page 174
QN Model......Page 176
Formulation and Algorithm......Page 178
Formulation of the Consolidation Problem......Page 179
Heuristic Solution......Page 180
Minor Extensions......Page 181
Experimental Results......Page 182
Conclusions......Page 184
References......Page 185
Introduction......Page 186
The Challenge: Functional Overlap......Page 187
Systems under Study......Page 189
Application Domain......Page 190
Initial Architectures......Page 191
Extra-Functional Requirements......Page 192
Architecture Reconstruction and Documentation......Page 193
Extending a Remote Interface......Page 195
Designing a Product-Line Architecture......Page 196
Lessons Learned......Page 199
Conclusions......Page 200
References......Page 201
Introduction......Page 203
Common Component Architecture and Quantum Chemistry......Page 205
CQoS Infrastructure and Its Application in High-Performance Quantum Chemistry......Page 207
Training Data Collection for Scientific Components......Page 208
Database Components and Their Usage in Data Training......Page 209
Performance Analysis......Page 210
Adaptive Application Composition and Configuration......Page 212
MPQC......Page 213
GAMESS......Page 214
Conclusion and Future Work......Page 216
References......Page 218
back-matter.pdf......Page 221