Inhalt

•  
   Introduction
•  
   The Znn.com System
•  
   Problem Statement
•  
   Self-Adaptive System Performance Modeling
•  
   Metrics for Scalability and Elasticity
•  
   Prediction of Scalability and Elasticity
•  
   Scientific Contribution
•  
   Overview
•  
   Uncertainty, Imprecision, and Gradedness in Software Engineering
•  
   Definitions and Examples
•  
   Uncertainty
•  
   Imprecision
•  
   Gradedness
•  
  Applications in Software Engineering
•  
  Requirements Engineering
•  
   RELAX Requirements Language
•  
   Design
•  
   Self-Adaptive Systems
•  
   Quality Assurance
•  
   Implementation
•  
   Cloud Computing
•  
   Software Performance Engineering Foundations
•  
   Model-Driven Software Engineering
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   View-Based Modeling
•  
   Model Transformations
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   Software Metrics and Predictions
•  
   Model-Driven Software Performance Engineering
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   Palladio
•  
   Palladio Component Model
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   Palladio Bench
•  
   Self-Adaptive System Performance Modeling
•  
   Scientific Contributions
•  
   Modeling Requirements
•  
   General Requirements
•  
  Scope of the Viewpoints
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   System Type Viewpoint
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   Run-time Viewpoint
•  
   Self-Adaptation Viewpoint
•  
   Related Work
•  
   Self-Adaptive System Performance Modeling Overview
•  
   Modeling Viewpoints
•  
   Modeling Roles
•  
   Modeling Process
•  
  System Type Viewpoint
•  
   System Architecture Types
•  
   System Resource Context
•  
  Run-Time Viewpoint
•  
   Initial System Architecture Configuration
•  
   Initial System Deployment
•  
   System Usage Context
•  
   Self-Adaptation Viewpoint
•  
   Service Level Objectives
•  
   Monitor Repository
•  
   Reconfigurations
•  
   Evaluation
•  
   Questions
•  
   Setup
•  
   Results
•  
   Discussion
•  
  Threats to Validity
•  
   Dependency on PCM
•  
   Selection of the Modeling Case
•  
   Selection of the Participant
•  
   Conclusion
•  
   Scalability and Elasticity Prediction Methods
•  
   Scientific Contribution
•  
   Prediction Method Requirements
•  
   General Requirements
•  
   Requirements for Scalability and Elasticity Prediction
•  
   Related Work
•  
   Prediction Methods Overview
•  
   Self-Adaptive System Formalization
•  
   Structure
•  
   Behavior
•  
   State and State Transitions
•  
   Reconfiguration Space
•  
   Service Level Objective Formalization
•  
   Derivation of Service Level Objectives
•  
   Relaxation of Time
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   Relaxation of Accuracy
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   Exact Accuracy
•  
   Strict Accuracy
•  
   Tolerant Accuracy
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   Vague Accuracy
•  
  Scalability Prediction
•  
   Formalization
•  
   Metric Definition
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   Metric Implementation
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   Assumptions and Limitations
•  
  Elasticity Prediction
•  
   Formalization
•  
   Metric Definitions
•  
   Metric Implementation
•  
   Assumptions and Limitations
•  
   Evaluation
•  
   Question
•  
   Setup
•  
   Results
•  
   Discussion
•  
  Threats to Validity
•  
   Selection of the Case
•  
   Case Study Setup
•  
   Conclusion
•  
   Tool Support
•  
  Architecture Overview
•  
   Main Components
•  
   External Dependencies
•  
   User Interface
•  
   Modeling Viewpoints
•  
   System Type Viewpoint
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   Run-Time Viewpoint
•  
   Self-Adaptation Viewpoint
•  
   Performance Analysis Tool
•  
   Performance Model Interpreter
•  
   Performance Simulation
•  
   Reconfiguration Manager
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   Scalability and Elasticity Prediction
•  
   Scalability Prediction
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   Elasticity Prediction
•  
   Prediction Result Visualization
•  
   Conclusion
•  
  Results and Conclusions
•  
   Self-Adaptive System Performance Modeling
•  
   Metrics for Scalability and Elasticity
•  
   Prediction of Scalability and Elasticity
•  
   Follow-Up Work
•  
   CloudScale and Architectural Templates
•  
   Cactos and CactoSIM
•  
  Future Work
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   Additional Metrics
•  
   Reconfiguration Performance
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   Uncertainty in Usage Contexts
•  
   Design Space Exploration
•  
   Evaluation
•  
  Bibliography
•  
   Own Publications
•  
   Supervised Theses
•  
   Literature
•  
   Websites and Standards
•  
   List of Figures, Tables, and Listings
•  
   Complete Znn.com Example
•  
  System Element Type View
•  
   System Architecture Types
•  
   System Resource Context
•  
  Initial Configuration View
•  
   Initial System Architecture Configuration
•  
   Initial System Deployment
•  
   System Usage Context
•  
  Reconfiguration View
•  
   Service Level Objectives
•  
   Monitor Repository
•  
   Reconfigurations
•  
   Auxiliary Formalization