Quality-of-Experience-based Content Distribution Network Architecture

Overview

Based on a convergence of network technologies, the Next Generation Network (NGN) is being deployed to carry high quality video and voice data. In fact, the convergence of network technologies has been driven by the converging needs of end-users.
The perceived end-to-end quality is one of the main goals required by users that must be guaranteed by the network operators and the Internet Service Providers, through manufacturer equipment. This is referred to as the notion of ...
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Overview

Based on a convergence of network technologies, the Next Generation Network (NGN) is being deployed to carry high quality video and voice data. In fact, the convergence of network technologies has been driven by the converging needs of end-users.
The perceived end-to-end quality is one of the main goals required by users that must be guaranteed by the network operators and the Internet Service Providers, through manufacturer equipment. This is referred to as the notion of Quality of Experience (QoE) and is becoming commonly used to represent user perception. The QoE is not a technical metric, but rather a concept consisting of all elements of a user's perception of the network services. The authors of this book focus on the idea of how to integrate the QoE into a control-command chain in order to construct an adaptive network system. More precisely, in the context of Content-Oriented Networks used to redesign the current Internet architecture to accommodate content-oriented applications and services, they aim to describe an end-to-end QoE model applied to a Content Distribution Network architecture.

About the Authors

Abdelhamid Mellouk is Full Professor at University of Paris-Est C-VdM (UPEC), Networks & Telecommunications (N&T) Department and LiSSi Laboratory, France. Head of several executive national and international positions, he was the founder of the Network Control Research activity at UPEC with extensive international academic and industrial collaborations. His general area of research is in adaptive real-time control for high-speed new generation dynamic wired/wireless networks in order to maintain acceptable Quality of Service/Experience for added-value services. He is an active member of the IEEE Communications Society and has held several offices including leadership positions in IEEE Communications Society Technical Committees.
Said Hoceini is Associate Professor at University of Paris-Est C-VdM (UPEC), Networks & Telecommunications (N&T) Department and LiSSi Laboratory, France. His research focuses on routing algorithms, quality of service, quality of experience, and wireless sensor networks, as well as bio-inspired artificial intelligence approaches. His work has been published in several international conferences and journals and he serves on several TPCs.
Hai Anh Tran is Associate Professor at the Hanoi University of Science and Technology (HUST), Vietnam. His research focuses on QoE aspects, QoS adaptive control/command mechanisms, wired routing, as well as bio-inspired artificial intelligence approaches.

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Product Details

  • ISBN-13: 9781848215634
  • Publisher: Wiley
  • Publication date: 11/25/2013
  • Series: FOCUS Series
  • Edition number: 1
  • Pages: 235
  • Product dimensions: 6.10 (w) x 9.20 (h) x 0.80 (d)

Table of Contents

LIST OF FIGURES ix

PREFACE xiii

INTRODUCTION xv

CHAPTER 1. NETWORK CONTROL BASED ON SMART COMMUNICATION PARADIGM 1

1.1. Motivation 1

1.2. General framework 3

1.3. Main innovations 6

1.3.1. User perception metrics and affective computing 6

1.3.2. Knowledge dissemination 8

1.3.3. Bio-inspired approaches and control theory 9

1.4. Conclusion 10

CHAPTER 2. QUALITY OF EXPERIENCE 11

2.1. Motivation 11

2.2. QoE concept 12

2.3. Importance of QoE 14

2.4. QoE metrics 16

2.5. QoE measurement methods 20

2.6. QoS/QoE relationship 23

2.7. Impact of networking on QoE 26

2.7.1. Layered classification of impacts on QoE 26

2.7.2. Impact of user mobility on QoE 28

2.7.3. Impact of network resource utilization and management on QoE 29

2.7.4. Impact of billing and pricing 30

2.8. Conclusion 31

CHAPTER 3. CONTENT DISTRIBUTION NETWORK 33

3.1. Motivation 33

3.2. Routing layer 36

3.2.1. Routing in telecommunication network 36

3.2.2. Classical routing algorithms 37

3.2.3. QoS-based routing 38

3.3. Meta-routing layer 42

3.3.1. Server placement 43

3.3.2. Cache organization 45

3.3.3. Server selection 47

3.4. Conclusion 49

CHAPTER 4. USER-DRIVEN ROUTING ALGORITHM APPLICATION FOR CDN FLOW 51

4.1. Introduction 51

4.2. Reinforcement learning and Q-routing 53

4.2.1. Mathematical model of reinforcement learning 56

4.2.2. Value functions 57

4.3. Q-learning 60

4.4. Q-routing 61

4.5. Related works and motivation 62

4.6. QQAR routing algorithm 63

4.6.1. Formal parametric model 64

4.6.2. QQAR algorithm 65

4.6.3. Learning process 68

4.6.4. Simple use case-based example of QQAR 71

4.6.5. Selection process 78

4.7. Experimental results 79

4.7.1. Simulation setup 79

4.7.2. Experimental setup 89

4.7.3. Average MOS score 90

4.7.4. Convergence time 97

4.7.5. Capacity of convergence and fault tolerance 100

4.7.6. Control overheads 102

4.7.7. Packet delivery ratio 103

4.8. Conclusion 104

CHAPTER 5. USER-DRIVEN SERVER SELECTION ALGORITHM FOR CDN ARCHITECTURE 105

5.1. Introduction 105

5.2. Multi-armed bandit formalization 108

5.2.1. MAB paradigm 108

5.2.2. Applications of MAB 112

5.2.3. Algorithms for MAB 113

5.3. Server selection schemes 119

5.4. Our proposal for QoE-based server selection method 122

5.4.1. Proposed server selection scheme 122

5.4.2. Proposed UCB1-based server selection algorithm 125

5.5. Experimental results 126

5.5.1. Simulation results 126

5.5.2. Real platform results 132

5.6. Acknowledgment 133

5.7. Conclusion 135

CONCLUSION 137

BIBLIOGRAPHY 141

INDEX 155

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