Open Source Sasha Sirotkin 6.3.1 Key Ideas 6.3.2 Market Drivers 6.3.3 Open Source License 6.3.4 Software-Defined Radio 6.3.5 Open Source RAN Projects 6.3.5.1 srsLTE 299 6.3.5.2 OpenLTE 6.3.5.3 OpenBTS 6.3.5.4 Open Air Interface 6.3.5.5 TIP 301 Contents 6.3.5.6 O-RAN 6.3.6 Summary References 302 Multi-Access Edge Computing 303 Miltiadis Filippou and Dario Sabella 6.4.1 Key Ideas 304 6.4.2 Market Drivers 6.4.3 MEC Standard 6.4.3.1 ETSI MEC System Architecture 6.4.3.2 ETSI MEC APIs 6.4.3.3 Location API 6.4.4 ETSI MEC Deployment in 3GPP 5G Systems 6.4.4.1 MEC Deployment in a 5G Network 6.4.5 Inter-MEC System Communication 6.4.5.1 Possible Implementation 315 6.4.6 Flexible MEC Service Consumption 316 6.4.6.1 Edge Host Zoning in Multi-Vendor Environments 6.4.7 High Mobility Automotive Scenarios 6.4.7.1 MEC-Supported Cooperative Information 6.4.8 Further Reading References 323 Operations, Administration, and Management Vladimir Yanover 6.5.1 Introduction 6.5.2 Key Ideas 6.5.3 Service-Based Management Architecture 6.5.3.1 Examples of Management Services 6.5.3.2 Management Service Exposure 6.5.4 NG-RAN and 5GC Information Models 6.5.5 Performance Management 6.5.6 Management of Split NG-RAN 6.5.6.1 Background 332 6.5.6.2 Information Object Classes 6.5.7 O-RAN Alliance Management Architecture 6.5.8 Management of Network Slicing 6.5.8.1 Basic Concepts of Slicing Management 6.5.8.2 Support of Slicing Management in RAN Provisioning Service 6.5.8.3 Configuration and LCM of NSSI and NSI 6.5.8.4 NSI and NSSI Information Models (NRMs) 6.5.9 SON in 5G 6.5.9.1 SON Evolution 6.5.9.2 "Legacy" SON Use Cases 6.5.9.3 Multi-Domain SON with E2E Optimization 6.5.9.4 SON Enablers in 5G System 6.5.9.5 Distributed SON Contents 6.5.9.6 Hybrid SON 6.5.10 Further Reading References 345 Transport Network Yaakov (J.) Stein, Yuri Gittik, and Ron Insler 6.6.1 Key Ideas 6.6.2 Market Drivers 6.6.3 Defining the Problem 6.6.4 The Physical Layer 6.6.4.1 Achieving the Required Data Rates 6.6.4.2 Achieving the Required Latencies 6.6.4.3 Achieving the Requir