描述
开 本: 16开纸 张: 胶版纸包 装: 精装是否套装: 否国际标准书号ISBN: 9787313067166
try to illustrate the Internet content delivery mechanism. And
based on this mechanism we propose an adaptive content delivery
framework which can greatly help Internet Service Providers and
Internet Content Providers to achieve quality-based content
delivery service. This book can be used as an introduction for
Internet content based technology researchers, and can also be used
as a reference book for graduate students.
This book is the refined wisdom from the
Institute of Information Security Engineering, Shanghai Jiao Tong
University. We appreciate all of our colleagues for their great
help in this book. And we would also express our sincere
appreciation towards Shanghai Jiao Tong University Press. Without
their help, we would never have this book published so
smoothly.
1 Introduction
1.1 Background
1.2 Challenges
1.3 Research Topics
1.4 Focus of This Book
1.5 Book Outline
2 Related Work
2.1 New Challenges to Web Content
Delivery
2.2 Overview of Active Network
2.3 Basic Technologies in Active
Network
2.3.1 Basic Proxy Caching
2.3.2 Transcoding for Pervasive
Intemet Access
2.3.3 Adaptive Content
Delivery
2.4 Adaptive Web Content Delivery Systems
Built
2.4.1 IBM’s Transcoding Proxy
2.4.2 Berkeley’s Pythia and
TranSend
2.4.3 Rice’s Puppeteer
2.5 Special-Purpose Proxies
2.5.1 Compression Proxy
2.5.2 WAP Gateway
2.5.3 Single Point Transform
Server, ASP
2.5.4 Blocking and
Filtering
2.6 Analysis of Existing Adaptive Content
Delivery Frameworks and Systems
2.7 Summary
References
3 Chunk-Level Performance Study for Web Page
Latency
3.1 Introduction
3.2 Basic Latency Dependence Model
3.3 Web Page Retrieval Latency
3.4 Experimental Study and Analysis
3.4.1 Experimental
Environment
3.4.2 Web Page Latency
Breakdown
3.4.3 Object Retrieval
Parallelism
3.4.4 Definition Time and its
Rescheduling
3.5 Discussion about Validity of Observed
Results Under Different Environments
3.6 Conclusion
References
4 Accelerating Web Page Retrieval Through Reduction in
Data Chunk Dependence
4.1 Introduction
4.2 Pre-requistes for Rescheduling of
Embedded Object Retrieval
4.3 Intra-Page Rescheduling for Web Page
Retrieval
4.3.1 Object Declaration
Mechanism (OD)
4.3.2 History-Based Page
Structure Table Mechanism (PST)
4.3.3 Analysis of Object
Declaration and History-Based PST Mechanisms
4.4 Experimental Study
4.4.1 Potentials of Push-Forward
and Parallelism Effect in Web Page Retrieval
4.4.2 Effect of Object
Declaration Mechanism
4.4.3 Effect of History-Based
Page Structure Table (PST) Mechanism
4.4.4 Effect of Integrated OD
and PST Mechanism
4.5 Conclusion
References
5 Modes of Real-Time Content Transformation for Web
Intermediaries in Active Network
5.1 Introduction
5.2 Basic Web Content Transformation
Model
5.3 Modes of Content Transformation on
Streaming Web Data
5.3.1 Byte-Streaming
Transformation Mode
5.3.2 Whole-File Buffering
Transformation Mode
5.3.3 Chunk-Streaming
Transformation Mode
5.4 Discussion of the Impact of
Transformation Mode on Web Page Latency
5.5 Experimental Study
5.5.1 Regrouping and
Push-Backward Effects on Object Perceived Time
5.5.2 Regrouping and
Push-Backward Effects on Page Retrieval Time
5.5.3 Regrouping and
Push-Backward Effects in the Presence of Proxy Cache
5.6 Conclusion
References
6 System Framework for Web Content Adaptation and
Intermediary Services: Design and Implementation
6.1 Introduction
6.2 Basic Proxy Cache
6.2.1 DataFlow Path of Proxy
Cache
6.2.2 DataFlow Path in SQUID
Proxy Cache
6.3 Four-Stage AXform Framework
6.3.1 Stage 1 of AXform
Framework: Client Request Stage
6.3.2 Stage 2 of AXform
Framework: Server Request Stage
6.3.3 Stage 3 of AXform
Framework: Server Data Stage
6.3.4 Stage 4 of AXform
Framework: Client Data Stage
6.3.5 Summary
6.4 System Implementation Considerations for
AXform Framework
6.4.1 Handling of Working
Space
6.4.2 Accessing Other System
Resources
6.4.3 Client Information
Collection
6.4.4 Server Information
Collection
6.4.5 Environment Parameters
Collection
6.4.6 Client Request
Modification
6.4.7 HTTP Reply Header
Modification
6.4.8 HTTP Body
Modification
6.4.9 Cache Related Module
6.5 Conclusion
Reference
7 Conclusion
7.1 Conclusion of the Book
7.1.1 Performance Model
7.1.2 Improving the Delivery by
Reducing the Object Dependence
7.1.3 Transformation Model
7.1.4 System Framework and
Requirements
7.2 Future Research
7.2.1 APIs Definition
7.2.2 Unified Data Format
7.2.3 Data Integrity and
Security
7.2.4 Protocol Design
Index
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