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IP, Ethernet and MPLS Networks: Resource and Fault Management

ISBN: 978-1-84821-285-5
288 pages
May 2011, Wiley-ISTE
IP, Ethernet and MPLS Networks: Resource and Fault Management (1848212852) cover image
This book summarizes the key Quality of Service technologies deployed in telecommunications networks: Ethernet, IP, and MPLS. The QoS of the network is made up of two parts: fault and resource management.

Network operation quality is among the functions to be fulfilled in order to offer QoS to the end user. It is characterized by four parameters: packet loss, delay, jitter or the variation of delay over time, and availability. Resource management employs mechanisms that enable the first three parameters to be guaranteed or optimized. Fault management aims to ensure continuity of service.

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Preface xi

Chapter 1. Network Operation 1

1.1. Basic concepts 1

1.2. IP technology 9

1.3. The MPLS technology 14

1.4. The ICMP 19

1.5. Ethernet technology 22

Chapter 2. Characterizing Quality of Service 27

2.1. Quality of service functions 27

2.2. Quality of network operation 29

2.3. Requirements of applications 36

2.4. The service contract 44

Chapter 3. Transport Protocols 51

3.1. Introduction 51

3.2. The TCP 52

3.3. The UDP 59

3.4. The RTP 60

3.5. The RTCP 62

3.6. The DCCP 65

3.7. The SCTP 70

Chapter 4. Implementing Operation Quality 77

4.1. The architectural framework 77

4.2. Implementation of resource management 77

4.3. Implementing fault management 96

Chapter 5. IP Technology – Resource Management 101

5.1. Introduction 101

5.2. The DiffServ model 102

5.3. The IntServ model 109

5.4. The ARSVP protocol 123

Chapter 6. IP Technology – Fault Management 127

6.1. Introduction127

6.2. Hot Standby Router Protocol 128

6.3. Virtual Router Redundancy Protocol 132

6.4. OSPF protocol 134

6.5. Border Gateway Protocol 144

Chapter 7. MPLS Technology – Resource Management 153

7.1. Introduction 153

7.2. Support for DiffServ 154

7.3. Traffic engineering 158

Chapter 8. MPLS Technology – Fault Management 177

8.1. Introduction 177

8.2. The LDP 178

8.3. The RSVP-TE protocol 189

8.4. The FRR mechanism 193

Chapter 9. Ethernet Technology – Resource Management 203

9.1. Introduction 203

9.2. Priority management 204

9.3. Resource reservation 207

9.4. Flow control 216

9.5. The access network 217

9.6. The aggregation network 224

Chapter 10. Ethernet Technology – Fault Management 227

10.1. Introduction 227

10.2. The STP 228

10.3. The RSTP 233

10.4. The MSTP 237

10.5. Link aggregation 242

10.6. The aggregation network 246

Conclusion 251

Bibliography 255

Abbreviations 259

Index 265

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