Containers in Cisco IOS-XE, IOS-XR, and NX-OS

Foreword xxv

Introduction xxvii

PartI Virtualization and Containers

Chapter1 Introduction to Virtualization 1

History of Computer Evolution 1

History of Virtualization 2

Virtualization-Architecture Definition andTypes 6

Computing Virtualization Elements andTechniques 14

Virtualization Scale and DesignConsideration 18

Multitenancy in Virtualization 19

Summary 20

References in This Chapter 21

Chapter2 Virtualization and Cisco 23

History of Virtualization in Cisco 23

Virtualization in Enterprise and ServiceProvider Environments 30

The Era of Software-Defined Networking 32

SDN Enablers 33

Control Plane Virtualization 33

Summary 58

References in This Chapter 59

Chapter3 Container Orchestration and Management 61

Introduction to the Cloud-Native ReferenceModel 61

The Journey from Virtual Network Function(VNF) to Cloud Native Function (CNF) 63

Container Deployment and OrchestrationOverview 65

Container Deployment and Orchestration 81

Summary 95

References 95

Chapter4 Container Networking Concepts 97

Container Networking-Introduction andEssentials 97

Container Networking 99

Container Network Models and Interfaces 105

Setting Up Container Networking 115

Summary 136

References 137

PartII Container Deployment and Operation in Cisco Products

Chapter5 Container Orchestration in Cisco IOS-XE Platforms 139

Cisco IOS-XE Architecture 139

IOS-XE Architecture: Application Hosting146

IOx Applications 149

Developing and Hosting Applications 157

Licensing Requirements 185

Summary 186

References 187

Chapter6 Container Orchestration in Cisco IOS-XR Platforms 189

Cisco IOS-XR Architecture 189

Application Hosting Architecture 192

Hosting Environment Readiness 198

Types of Application Hosting in Cisco XRPlatform 201

Network Configuration and Verification 216

Docker Images and Registry 218

Network Configuration and Verification 224

Application Hosting in VRF Namespace 226

Container Management 232

Summary 234

References 234

Chapter7 Container Orchestration in Cisco NX-OS Platforms 235

Cisco NX-OS Software Architecture 235

Hosting Environment Readiness 239

Container Infrastructure Configuration andInstantiation 242

Bash 256

Summary 288

References 289

Chapter8 Application Developers' Tools and Resources 291

Cisco Development Tool Kits and Resources291

Open-Source and Commercial Tools 336

Building and Deploying Container Images 341

Configuration and Application ManagementTools 345

Summary 357

References 357

Chapter9 Container Deployment Use Cases 361

General Use Cases for Enterprise, ServiceProvider, and Data Center

IOS-XR Use Case: Disaggregated Seamless BFDas a Virtual Network Function for Rapid Failure Detection 384

Seamless BFD Overview 385

Creating and Hosting S-BFD as a VirtualNetwork Function 387

NX-OS Use Case: Control Plane Health CheckUsing an Anomaly Detector 391

NX-OS Use Case: NX-OS Docker Health Check398

Summary 404

Chapter10 Current NFV Offering and Future Trends in Containers 405

App Hosting Services 405

Cisco NFV Offerings 411

Containers and Service Chaining 418

Serverless Computing and Network Functions421

Summary 423

References 423

TOC, 9780135895757, 6/9/2020