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A Network Architect's Guide to 5G

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A Network Architect's Guide to 5G

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Description

  • Copyright 2022
  • Dimensions: 7" x 9-1/8"
  • Pages: 464
  • Edition: 1st
  • Book
  • ISBN-10: 0-13-737684-7
  • ISBN-13: 978-0-13-737684-1

THE NETWORK PROFESSIONAL’S GUIDE TO PLANNING, DESIGNING, AND DEPLOYING 5G TRANSPORT NETWORKS

As 5G transforms mobile usage and services, network professionals will need to significantly evolve their transport network architectures towards greater sophistication and stronger integration with radio networks, and facilitate transition towards cloud-native 5G mobile core. Until now, however, most 5G guides have foregrounded RF/radio and mobile core innovations, not its implications for data networks. A Network Architect’s Guide to 5G fills the gap, giving network architects, designers, and engineers essential knowledge for designing and planning their own 5G networks.

Drawing on decades of experience with global service providers and enterprise networks, the authors illuminate new and evolving network technologies necessary for building 5G-capable networks, such as segment routing, network slicing, timing and synchronization, edge computing, distributed data centers, integration with public cloud, and more. They explain how 5G blurs boundaries between mobile core, radio access, and transport, as well as the changes in the composition of a traditional cell site with the adoption of Open and Virtualized RAN resulting in a transition to mobile xHaul. Every chapter builds on earlier coverage, culminating in a “big picture” presentation of a complete 5G network design.

  • Understand the evolution of mobile technologies over the generation leading to 5G’s foundational concepts and principles.
  • Explore 5G changes to Radio Access Networks (RAN), the Mobile Core, Mobile Transport, and the need for tighter integration between them.
  • Use Segment Routing to architect simplified, SDN-capable networks, and enable network slicing for 5G.
  • Rethink transport design to incorporate Far-Edge, Edge, and public-cloud based data centers augmenting centralized DCs to support distributed peering and Multi-access Edge Compute.
  • Provide guidance to meet the criteria and requirements for various aspects of Fronthaul, Midhaul, and Backhaul architecture, such as transport protocol evaluation, latency consideration, routing design, QoS modeling, network device selection, and more.
  • Forge a cohesive 5G network architecture by combining mobile communications principles with advanced transport technologies.

Sample Content

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What’s a 5G Transport Service

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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

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