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QUALITY-BASED CONTENT DELIVERY OVER THE INTERNET2025|PDF|Epub|mobi|kindle电子书版本百度云盘下载

XIANG LI JIANHUA LI 著
出版社： SPRINGER
ISBN：731306716X
出版时间：2011
标注页数：139页
文件大小：99MB
文件页数：40543747页
主题词：计算机网络－数据传输－研究－英文

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图书目录

1 Introduction1

1.1 Background1

1.2 Challenges3

1.3 Research Topics3

1.4 Focus of This Book4

1.5 Book Outline5

2 Related Work7

2.1 New Challenges to Web Content Delivery7

2.2 Overview of Active Network8

2.3 Basic Technologies in Active Network10

2.3.1 Basic Proxy Caching11

2.3.2 Transcoding for Pervasive Internet Access12

2.3.3 Adaptive Content Delivery14

2.4 Adaptive Web Content Delivery Systems Built23

2.4.1 IBM’s Transcoding Proxy23

2.4.2 Berkeley’s Pythia and TranSend24

2.4.3 Rice’s Puppeteer24

2.5 Special-Purpose Proxies25

2.5.1 Compression Proxy25

2.5.2 WAP Gateway26

2.5.3 Single Point Transform Server，ASP26

2.5.4 Blocking and Filtering26

2.6 Analysis of Existing Adaptive Content Delivery Frameworks and Systems27

2.7 Summary28

References28

3 Chunk-Level Performance Study for Web Page Latency37

3.1 Introduction37

3.2 Basic Latency Dependence Model39

3.3 Web Page Retrieval Latency43

3.4 Experimental Study and Analysis47

3.4.1 Experimental Environment47

3.4.2 Web Page Latency Breakdown48

3.4.3 Object Retrieval Parallelism50

3.4.4 Definition Time and its Rescheduling53

3.5 Discussion about Validity of Observed Results Under Different Environments55

3.6 Conclusion56

References56

4 Accelerating Web Page Retrieval Through Reduction in Data Chunk Dependence59

4.1 Introduction59

4.2 Pre-requistes for Rescheduling of Embedded Object Retrieval60

4.3 Intra-Page Rescheduling for Web Page Retrieval63

4.3.1 Object Declaration Mechanism （OD）63

4.3.2 History-Based Page Structure Table Mechanism （PST）66

4.3.3 Analysis of Object Declaration and History-Based PST Mechanisms69

4.4 Experimental Study70

4.4.1 Potentials of Push-Forward and Parallelism Effect in Web Page Retrieval72

4.4.2 Effect of Object Declaration Mechanism74

4.4.3 Effect of History-Based Page Structure Table （PST） Mechanism77

4.4.4 Effect of Integrated OD and PST Mechanism79

4.5 Conclusion82

References82

5 Modes of Real-Time Content Transformation for Web Intermediaries in Active Network85

5.1 Introduction85

5.2 Basic Web Content Transformation Model88

5.3 Modes of Content Transformation on Streaming Web Data90

5.3.1 Byte-Streaming Transformation Mode91

5.3.2 Whole-File Buffering Transformation Mode92

5.3.3 Chunk-Streaming Transformation Mode93

5.4 Discussion of the Impact of Transformation Mode on Web Page Latency94

5.5 Experimental Study96

5.5.1 Regrouping and Push-Backward Effects on Object Perceived Time97

5.5.2 Regrouping and Push-Backward Effects on Page Retrieval Time98

5.5.3 Regrouping and Push-Backward Effects in the Presence of Proxy Cache99

5.6 Conclusion101

References101

6 System Framework for Web Content Adaptation and Intermediary Services：Design and Implementation103

6.1 Introduction103

6.2 Basic Proxy Cache104

6.2.1 DataFlow Path of Proxy Cache104

6.2.2 DataFlow Path in SQUID Proxy Cache106

6.3 Four-Stage AXform Framework108

6.3.1 Stage 1 of AXform Framework：Client Request Stage109

6.3.2 Stage 2 of AXform Framework：Server Request Stage111

6.3.3 Stage 3 of AXform Framework：Server Data Stage114

6.3.4 Stage 4 of AXform Framework：Client Data Stage117

6.3.5 Summary119

6.4 System Implementation Considerations for AXform Framework120

6.4.1 Handling of Working Space120

6.4.2 Accessing Other System Resources123

6.4.3 Client Information Collection123

6.4.4 Server Information Collection125

6.4.5 Environment Parameters Collection126

6.4.6 Client Request Modification127

6.4.7 HTTP Reply Header Modification127

6.4.8 HTTP Body Modification128

6.4.9 Cache Related Module129

6.5 Conclusion130

Reference130

7 Conclusion131

7.1 Conclusion of the Book131

7.1.1 Performance Model131

7.1.2 Improving the Delivery by Reducing the Object Dependence132

7.1.3 Transformation Model133

7.1.4 System Framework and Requirements133

7.2 Future Research134

7.2.1 APIs Definition134

7.2.2 Unified Data Format134

7.2.3 Data Integrity and Security135

7.2.4 Protocol Design135

Index137