Network Programmability and Automation Fundamentals (Networking Technology)

Description: Introduction xxix Part I Introduction Chapter 1 The Network Programmability and Automation Ecosystem 1 First, a Few Definitions 2 Your Network Programmability and Automation Toolbox 14 Software and Network Engineers: The New Era 19 Part II Linux Chapter 2 Linux Fundamentals 21 The Story of Linux 21 The Linux Boot Process 26 A Linux Command Shell Primer 28 Finding Help in Linux 31 Files and Directories in Linux 35 Input and Output Redirection 57 Archiving Utilities 67 Linux System Maintenance 73 Installing and Maintaining Software on Linux 94 Summary 118 Chapter 3 Linux Storage, Security, and Networks 119 Linux Storage 119 Linux Security 135 Linux Networking 158 Summary 181 Chapter 4 Linux Scripting 183 Regular Expressions and the grep Utility 184 The AWK Programming Language 193 The sed Utility 196 General Structure of Shell Scripts 203 Output and Input 207 Variables 215 Conditional Statements 223 Loops 232 The until-do Loop 237 Functions 238 Expect 242 Summary 246 Part III Python Chapter 5 Python Fundamentals 249 Scripting Languages Versus Programming Languages 250 Network Programmability 253 Computer Science Concepts 255 Python Fundamentals 260 Summary 309 References 310 Chapter 6 Python Applications 311 Organizing the Development Environment 311 The virtualenv Tool 331 Python Modules 333 Python Applications 336 Summary 385 Part IV Transport Chapter 7 HTTP and REST 387 HTTP Overview 387 The REST Framework 392 The HTTP Connection 394 HTTP Transactions 397 HTTP Messages 415 Resource Identification 431 Postman 436 HTTP and Bash 447 HTTP and Python 455 Summary 467 Chapter 8 Advanced HTTP 469 HTTP/1.1 Authentication 469 Transport Layer Security (TLS) and HTTPS 487 HTTP/2 503 Summary 508 Chapter 9 SSH 509 SSH Overview 509 Setting Up SSH 521 Enabling SSH on Cisco Devices 526 Secure File Transfer 540 Summary 551 References 551 Part V Encoding Chapter 10 XML 553 XML Overview, History, and Usage 553 XML Syntax and Components 554 Making XML Valid 562 Navigating XML Documents 574 XML Stylesheet Language Transformations (XSLT) 578 Processing XML Files with Python 580 Summary 588 Chapter 11 JSON 591 JavaScript Object Notation (JSON) 591 JSON Schema Definition (JSD) 595 Summary 614 Chapter 12 YAML 615 YAML Structure 616 Handling YAML Data Using Python 626 Summary 637 Part VI Modeling Chapter 13 YANG 639 A Data Modeling Primer 639 YANG Data Models 642 Types of YANG Modules 663 YANG Tools 673 Summary 688 Part VII Protocols Chapter 14 NETCONF and RESTCONF 689 NETCONF 689 RESTCONF 739 Summary 779 Chapter 15 gRPC, Protobuf, and gNMI 781 Requirements for Efficient Transport 781 History and Principles of gRPC 782 gRPC as a Transport 784 The Protocol Buffers Data Format 786 Working with gRPC and Protobuf in Python 790 The gNMI Specification 798 The Anatomy of gNMI 799 Managing Network Elements with gNMI/gRPC 814 Summary 818 Chapter 16 Service Provider Programmability 819 The SDN Framework for Service Providers 819 Segment Routing (SR) 823 BGP Link State (BGP-LS) 843 Path Computation Element Protocol (PCEP) 859 Summary 880 Part VIII Programmability Applications Chapter 17 Programming Cisco Platforms 881 API Classification 882 Network Platforms 883 Meraki 922 DNA Center 931 Collaboration Platforms 942 Summary 954 Chapter 18 Programming Non-Cisco Platforms 957 General Approaches to Programming Networks 957 Implementation Examples 962 Summary 987 Chapter 19 Ansible 989 Ansible Basics 989 Extending Ansible Capabilities 1003 Jinja2 Templates 1034 Using Ansible for Cisco IOS XE 1055 Using Ansible for Cisco IOS XR 1073 Using Ansible for Cisco NX-OS 1084 Using Ansible in Conjunction with NETCONF 1095 Summary 1108 Part IX Looking Ahead Chapter 20 Looking Ahead 1109 Some Rules of Thumb 1109 What Does All This Mean for Your Career? 1118 9781587145148, TOC, 4/1/2021

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