Inhalt

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   Table of contents
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   List of figures
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   List of tables
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  1 Introduction
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   1.1 Software Ecosystems
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   1.2 Problem Statement
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   1.3 Overview of the Solution
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   1.4 Publication Overview
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   1.5 Structure of this Thesis
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  2 Foundations
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   2.1 Enterprise Architecture
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  2.2 Software Ecosystems
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   2.2.1 Definition of Software Ecosystem
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   2.2.2 Ecosystem Architecture
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   2.2.3 Ecosystem Health
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  2.3 Architectural Knowledge Management
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   2.3.1 Architectural Design Decisions
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   2.3.2 Pattern-Centric Architectural Knowledge
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   2.3.3 Architecture Framework
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   2.4 Software Product Line Engineering
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   2.4.1 Application Domain
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   2.4.2 Domain Engineering
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   2.5 Model-Driven Engineering
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   2.5.1 Meta-Object Facility
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   2.5.2 Model-Driven Architecture
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  3 Requirements and Related Work
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   3.1 Requirements
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  3.2 Related Work
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   3.2.1 An Architectural Knowledge Base
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   3.2.2 Methodical Architectural Guidance
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   3.3 Overall Problem Statement
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  4 Overall Research Approach of Developing the SecoArc Architecture Framework
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   4.1 Design Problem
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   4.2 Solution Approach
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   4.3 Chapters and Associated Research Questions
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  5 Architectural Commonalities of Software Ecosystems
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   5.1 Procedure of a Systematic Literature Review
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   5.2 Extraction Procedure using Grounded Theory
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   5.3 Primary Features of Software Ecosystems
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   5.4 Primary Feature Interrelations
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   5.5 Summary and Scientific Contributions
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  6 Architectural Variabilities of Software Ecosystems
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   6.1 A Variability Model for a Software Ecosystem Product Line
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   6.1.1 Taxonomy Development Approach
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   6.1.2 Variability Model: Variation Points and Variants
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   6.1.3 Variability Dependency Constraints
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   6.1.4 Relations to Ecosystem Architecture
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   6.1.5 Relations to Architectural Commonalities
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  6.2 Service Provision Scenarios in Software Ecosystems
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   6.2.1 Expert Interview
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   6.2.2 Service Provision Scenarios
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   6.3 Summary and Scientific Contributions
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   7 Architectural Patterns of Software Ecosystems
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   7.1 A Classification of Architectural Design Decisions
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   7.1.1 Investigation of 111 Existing Software Ecosystems
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   7.1.2 Classes of Recurrent Architectural Design Decisions
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   7.2 Classes of Recurrent Contextual Factors
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   7.3 Architectural Patterns of Software Ecosystems
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   7.3.1 Resale Software Ecosystem (RSE)
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   7.3.2 Partner-Based Software Ecosystem (PSE)
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   7.3.3 OSS-Based Software Ecosystem (OSE)
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   7.4 Pattern Relations
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  7.5 Analysis of Results
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   7.5.1 Pattern Popularity
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   7.5.2 Domain Analysis
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   7.6 Summary and Scientific Contributions
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  8 A Modeling Framework to Design and Analyze Ecosystem Architecture Models
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   8.1 Language Engineering Approach
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   8.2 Illustrative Example
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   8.3 Rule-Based Pattern Matching
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   8.4 A Design Process
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  8.5 Ecosystem Modeling
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   8.5.1 A Domain Model for Software Ecosystems
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   8.5.2 Visual Notation to Design Ecosystem Architecture
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   8.6 Architectural Analysis Technique
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   8.6.1 Architectural Perspectives
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   8.7 Tool Support
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   8.8 Summary and Scientific Contributions
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  9 Validation
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   9.1 Validation Overview
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   9.2 On-The-Fly Computing
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   9.2.1 Validation Questions
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   9.2.2 Study 1: On-The-Fly Computing Proof-of-Concept
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   9.2.3 Validation Questions Revisited
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  9.3 Examination of Existing Ecosystems
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   9.3.1 Validation Questions
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   9.3.2 Study 2: Comparative Analysis of Salesforce, Apple, Amazon AWS, Eclipse, and Amazon Alexa Ecosystems
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   9.3.3 Validation Questions Revisited
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   9.4 Threats to Validity
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   9.5 Discussion and Summary
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  10 Conclusion and Future Work
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   10.1 Summary of Contributions
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   10.2 Requirements Revisited
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   10.3 Future Work
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   References
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   Appendix A Interview Questionnaire
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   Appendix B Quality Attribute Workshop Scenarios
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   Appendix C List of Existing Ecosystems
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   Appendix D General Guide To SecoArc Visual Notation