Architectural Styles and
the Design of Network-based Software Architectures


submitted in partial satisfaction of the requirements for the degree of


in Information and Computer Science


Roy Thomas Fielding



Dissertation Committee:
Professor Richard N. Taylor, Chair
Professor Mark S. Ackerman
Professor David S. Rosenblum

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Table of Contents

Curriculum Vitae
Abstract of the Dissertation
CHAPTER 1: Software Architecture
1.1 Run-time Abstraction
1.2 Elements
1.3 Configurations
1.4 Properties
1.5 Styles
1.6 Patterns and Pattern Languages
1.8 Related Work
1.9 Summary
CHAPTER 2: Network-based Application Architectures
2.1 Scope
2.2 Evaluating the Design of Application Architectures
2.3 Architectural Properties of Key Interest
2.4 Summary
CHAPTER 3: Network-based Architectural Styles
3.1 Classification Methodology
3.2 Data-flow Styles
3.3 Replication Styles
3.4 Hierarchical Styles
3.5 Mobile Code Styles
3.6 Peer-to-Peer Styles
3.7 Limitations
3.8 Related Work
3.9 Summary
CHAPTER 4: Designing the Web Architecture: Problems and Insights
4.1 WWW Application Domain Requirements
4.2 Problem
4.3 Approach
4.4 Summary
CHAPTER 5: Representational State Transfer (REST)
5.1 Deriving REST
5.2 REST Architectural Elements
5.3 REST Architectural Views
5.4 Related Work
5.5 Summary
CHAPTER 6: Experience and Evaluation
6.1 Standardizing the Web
6.2 REST Applied to URI
6.3 REST Applied to HTTP
6.4 Technology Transfer
6.5 Architectural Lessons
6.6 Summary

List of Figures

Figure 5-1. Null Style
Figure 5-2. Client-Server
Figure 5-3. Client-Stateless-Server
Figure 5-4. Client-Cache-Stateless-Server
Figure 5-5. Early WWW Architecture Diagram
Figure 5-6. Uniform-Client-Cache-Stateless-Server
Figure 5-7. Uniform-Layered-Client-Cache-Stateless-Server
Figure 5-8. REST
Figure 5-9. REST Derivation by Style Constraints
Figure 5-10. Process View of a REST-based Architecture

List of Tables

Table 3-1. Evaluation of Data-flow Styles for Network-based Hypermedia
Table 3-2. Evaluation of Replication Styles for Network-based Hypermedia
Table 3-3. Evaluation of Hierarchical Styles for Network-based Hypermedia
Table 3-4. Evaluation of Mobile Code Styles for Network-based Hypermedia
Table 3-5. Evaluation of Peer-to-Peer Styles for Network-based Hypermedia
Table 3-6. Evaluation Summary
Table 5-1. REST Data Elements
Table 5-2. REST Connectors
Table 5-3. REST Components

[] © Roy Thomas Fielding, 2000. All rights reserved. [How to reference this work.]