Contents

• Contents
• List of Tables
• List of Figures
• 1. Introduction
  • 1.1 The Heart of the Problem
  • 1.2 Thesis Contribution
  • 1.3 Thesis Contents
• 2. Dependence Management
  • 2.1 Automatic Configuration
  • 2.2 Dynamic Reconfiguration
  • 2.3 Fault-Tolerance
  • 2.4 Adaptation
• 3. Overall Architecture
  • 3.1 The Big Picture
  • 3.2 Automatic Configuration
    • 3.2.1 Prerequisites
  • 3.3 Component Configurator
  • 3.4 Reconfiguration and Inspection Agents
• 4. Automatic Configuration Service
  • 4.1 A Flexible Framework
  • 4.2 A Concrete Implementation
    • 4.2.1 SPDF
    • 4.2.2 Simple Resolver and Caching Resolver
  • 4.3 Interactions with Resource Management Services
  • 4.4 Use Cases
• 5. Component Configurators
  • 5.1 Separation of Concerns
  • 5.2 Implementation
    • 5.2.1 C++
    • 5.2.2 Java
    • 5.2.3 CORBA
  • 5.3 Customization
    • 5.3.1 An Application-Specific Customization
    • 5.3.2 Locking Configurator
    • 5.3.3 Dependency Attributes
    • 5.3.4 Supporting Consistent Dynamic Reconfiguration
  • 5.4 Use Cases
• 6. Reconfiguration Agents
  • 6.1 Implementation
    • 6.1.1 Java Agents
  • 6.2 Security
  • 6.3 Fault-Tolerance and Consistency
• 7. Application Scenarios
  • 7.1 dynamicTAO
    • 7.1.1 A Reflective ORB
    • 7.1.2 Reconfiguration Interfaces
    • 7.1.3 Consistency
    • 7.1.4 dynamicTAO and this Thesis
  • 7.2 Scalable Multimedia Distribution
    • 7.2.1 The Reflector
    • 7.2.2 Data Distribution Protocols
    • 7.2.3 Experience and Lessons Learned
    • 7.2.4 Dynamic Configuration of QoS-Sensitive Systems
  • 7.3 Other Applications
• 8. Experimental Results
  • 8.1 Automatic Configuration Service
    • 8.1.1 Loading Multiple Components
    • 8.1.2 Loading Components of Different Sizes
  • 8.2 Dynamic Reconfiguration Using Component Configurators
  • 8.3 Mobile Agents for Reconfiguration, Inspection, and Code Distribution
• 9. Related Work
  • 9.1 Programming Models
    • 9.1.1 Reflective Programming
    • 9.1.2 Aspect-Oriented Programming
  • 9.2 Component Architectures
    • 9.2.1 Enterprise Java Beans and Jini
    • 9.2.2 CORBA Component Model (CCM)
    • 9.2.3 ActiveX Controls, COM, and DCOM
    • 9.2.4 OpenDoc and OpenStep
  • 9.3 Prerequisites
    • 9.3.1 Job Control Languages
    • 9.3.2 SOS
    • 9.3.3 Dynamically Loadable Libraries
    • 9.3.4 Globus and RSL
  • 9.4 WYNIWYG in Operating Systems
    • 9.4.1 Customizable Operating Systems
    • 9.4.2 Microkernels
    • 9.4.3 Exokernels
    • 9.4.4 Comparison with our Approach
  • 9.5 Software Architecture
    • 9.5.1 Software Buses
    • 9.5.2 Architectural-Awareness
    • 9.5.3 Architectural Description Languages
    • 9.5.4 Comparison with our Approach
  • 9.6 Dynamic Configuration
  • 9.7 Application Scenarios
    • 9.7.1 Multimedia Distribution System
    • 9.7.2 dynamicTAO
• 10. Future Work
  • 10.1 Libraries of Customized Component Configurators
  • 10.2 Automatic Prerequisite Generation and Verification
  • 10.3 Dynamic Adaptability
  • 10.4 Integration with ADLs
  • 10.5 Component Repository
  • 10.6 Security
  • 10.7 Concurrency
• 11. Conclusions
  • 11.1 Original Contributions
  • 11.2 Perspectives
• Bibliography
• 12. Vita
• Index