This book summarizes the key Quality of Service technologies
deployed in telecommunications networks: Ethernet, IP, and MPLS.
The Qo S 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 Qo S 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.
表中的内容
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 Diff Serv model 102
5.3. The Int Serv 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 Diff Serv 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
关于作者
André Perez is a consultant and trainer in networks and telecommunications who defines the implementation of operator networks. He also teaches Qo S technologies in engineering schools.
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