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Engineering self-adaptive systems with simulation-based performance prediction / Matthias Wilhelm Becker. Paderborn, 2017
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
View-Based Modeling
Model Transformations
Software Metrics and Predictions
Model-Driven Software Performance Engineering
Palladio
Palladio Component Model
Palladio Bench
Self-Adaptive System Performance Modeling
Scientific Contributions
Modeling Requirements
General Requirements
Scope of the Viewpoints
System Type Viewpoint
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
Relaxation of Accuracy
Exact Accuracy
Strict Accuracy
Tolerant Accuracy
Vague Accuracy
Scalability Prediction
Formalization
Metric Definition
Metric Implementation
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
Run-Time Viewpoint
Self-Adaptation Viewpoint
Performance Analysis Tool
Performance Model Interpreter
Performance Simulation
Reconfiguration Manager
Scalability and Elasticity Prediction
Scalability Prediction
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
Additional Metrics
Reconfiguration Performance
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
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