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A Network Architect's Guide to 5G

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Description

  • Copyright 2022
  • Edition: 1st
  • eBook (Watermarked)
  • ISBN-10: 0-13-737668-5
  • ISBN-13: 978-0-13-737668-1

THE NETWORK PROFESSIONALS 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 Architects 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 5Gs 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

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 Todays 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
    Whats 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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