Description
Book SynopsisSyed Farrukh Hassan has been designing and deploying networks for over 20 years. In his current role as principal telecommunications architect at Red Hat, Syed provides consultancy services to global 5G customers. Prior to that, Syed worked as a senior solutions architect in the Cisco professional and consulting services organization, providing guidance, strategy, and planning support to various Internet, cloud, and mobile service providers in their adoption of innovating networking technologies and transformation of their networks to new architectures. Syed co-authored one of the first books on NFV and SDN, has been a regular speaker in public forums and conferences, and is recognized as a Cisco Live Distinguished Speaker. Syed is a double CCIE in Service Provider and Data Center technologies (#21617), Google Certified Professional Cloud Networking Engineer, and Certified Kubernetes Administrator (CKA). He holds a bachelor's degree in engineering from NED Universit
Table of Contents
Introduction xx
Chapter 1: A Peek at the Past 2
Brief History of Pre-Cellular Mobile Networks. . . . . . . . . . . . . . . . . 2
The Very First Cellular Networks: 1G.. . . . . . . . . . . . . . . . . . . . 5
Second Generation (2G) Cellular Networks. . . . . . . . . . . . . . . . . 10
Generation Two and a Half (2.5G). . . . . . . . . . . . . . . . . . . . . 15
Enhanced Data Rates for GSM Evolution (EDGE). . . . . . . . . . . . . . . 17
Third Generation (3G).. . . . . . . . . . . . . . . . . . . . . . . . . . 17
Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
References.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Chapter 2: Anatomy of Mobile Communication Networks 28
Understanding Radio Access Network.. . . . . . . . . . . . . . . . . . . 28
Mobile Transport and Backhaul.. . . . . . . . . . . . . . . . . . . . . . 41
Mobile Core Concepts.. . . . . . . . . . . . . . . . . . . . . . . . . 51
Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
References.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Chapter 3: Mobile Networks Today 76
3GPP Releases and Evolved Packet System.. . . . . . . . . . . . . . . . 77
Evolved Packet Core (EPC) Architecture.. . . . . . . . . . . . . . . . . . 79
RAN Evolution.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Modern Mobile Backhaul Networks. . . . . . . . . . . . . . . . . . . . 102
Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
References.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Chapter 4: The Promise of 5G 120
Emerging Trends and Expectations from Mobile Networks.. . . . . . . . . . 121
5G Technology Enablers.. . . . . . . . . . . . . . . . . . . . . . . . 126
5G Service Offerings.. . . . . . . . . . . . . . . . . . . . . . . . . . 131
Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
References.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Chapter 5: 5G Fundamentals 138
5G Radio Access Network.. . . . . . . . . . . . . . . . . . . . . . . 138
5G Core Network.. . . . . . . . . . . . . . . . . . . . . . . . . . . 179
5G Transport Network.. . . . . . . . . . . . . . . . . . . . . . . . . 195
Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
References.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Chapter 6: Emerging Technologies for 5G-Ready Networks: Segment Routing 212
Complexity in Today’s Network.. . . . . . . . . . . . . . . . . . . . . 212
Introducing Segment Routing. . . . . . . . . . . . . . . . . . . . . . 214
Segment Routing Traffic Engineering (SR-TE). . . . . . . . . . . . . . . . 222
Software-Defined Transport with Segment Routing.. . . . . . . . . . . . . 228
5G Transport Network Slicing. . . . . . . . . . . . . . . . . . . . . . 232
Redundancy and High Availability with Segment Routing.. . . . . . . . . . . 238
Segment Routing for IPv6 (SRv6). . . . . . . . . . . . . . . . . . . . . 242
Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
References.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Chapter 7: Essential Technologies for 5G-Ready Networks:
DC Architecture and Edge Computing 250
Data Center Basics.. . . . . . . . . . . . . . . . . . . . . . . . . . 250
From Centralized to Distributed to Cloud Data Centers. . . . . . . . . . . . 257
Deploying Data Centers.. . . . . . . . . . . . . . . . . . . . . . . . 260
Optimizing Compute Resources. . . . . . . . . . . . . . . . . . . . . 267
Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
References.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
Chapter 8: Essential Technologies for 5G-Ready Networks: Transport Services 274
What’s a 5G Transport Service?.. . . . . . . . . . . . . . . . . . . . . 274
VPN Services.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Transport Services Across MCN. . . . . . . . . . . . . . . . . . . . . 297
Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
References.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
Chapter 9: Essential Technologies for 5G-Ready Networks: Timing and Synchronization 302
Types of Synchronization.. . . . . . . . . . . . . . . . . . . . . . . . 304
Why Synchronization Is Important in 5G.. . . . . . . . . . . . . . . . . . 306
Synchronization Sources and Clock Types.. . . . . . . . . . . . . . . . . 308
Implementing Timing in Mobile Networks.. . . . . . . . . . . . . . . . . 311
Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
References.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332
Chapter 10: Designing and Implementing 5G Network Architecture 334
5G Architecture Recap.. . . . . . . . . . . . . . . . . . . . . . . . . 334
5G Fronthaul Considerations.. . . . . . . . . . . . . . . . . . . . . . 336
xHaul Transport Technology Choices. . . . . . . . . . . . . . . . . . . 345
Designing the Mobile Transport Network. . . . . . . . . . . . . . . . . . 346
Routing Design Simplification. . . . . . . . . . . . . . . . . . . . . . 361
Transport Services for 5G MCN.. . . . . . . . . . . . . . . . . . . . . 370
Taking MCN to the Cloud.. . . . . . . . . . . . . . . . . . . . . . . . 372
Automation in 5G Networks.. . . . . . . . . . . . . . . . . . . . . . . 376
Deciphering 5G Mobile Requirements.. . . . . . . . . . . . . . . . . . . 380
Summary.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383
References.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384
Afterword: Beyond 5G 386
9780137376841, TOC, 4/14/2022
