Network Programmability with YANG: The Structure of Network Automation with YANG, NETCONF, RESTCONF, and gNMI

Table of contents

1. Cover Page
2. About This eBook
3. Half-Title Page
4. Title Page
5. Copyright Page
6. Credits
7. Dedication Page
8. Table of Contents
9. Feedback Information
10. Acknowledgments
11. About the Authors
    1. About the Technical Reviewers
12. Command Syntax Conventions
13. Introduction
    1. Goals and Methods
    2. Who Should Read This Book?
    3. How This Book Is Organized
14. Chapter 1. The Network Management World Must Change: Why Should You Care?
    1. Introduction
    2. The Industry Has Changed: What Are the Trends?
    3. Existing Network Management Practices and Related Limitations
    4. Data Modeling Is Key for Automation
    5. Interview with the Experts
    6. Summary
    7. References in This Chapter
    8. Endnotes
15. Chapter 2. Data Model–Driven Management
    1. The Beginning: A New Set of Requirements
    2. Network Management Is Dead, Long Live Network Management
    3. YANG: The Data Modeling Language
    4. The Key to Automation? Data Models
    5. The Management Architecture
    6. Data Model–Driven Management Components
    7. The Encoding (Protocol Binding and Serialization)
    8. The Server Architecture: Datastore
    9. The Protocols
    10. The Programming Language
    11. Telemetry
    12. The Bigger Picture: Using NETCONF to Manage a Network
    13. Interview with the Experts
    14. Summary
    15. References in This Chapter
    16. Endnotes
16. Chapter 3. YANG Explained
    1. Introduction
    2. Describe Your World of Data
    3. Describing Possible Events
    4. Separating Configuration from Operational Data
    5. Constraints Keep Things Meaningful
    6. Augmenting, Extending, and Possibly Deviating
    7. Network Management Datastore Architecture (NMDA)
    8. Interview with the Expert
    9. Summary
    10. References in This Chapter
17. Chapter 4. NETCONF, RESTCONF, and gNMI Explained
    1. Introduction
    2. NETCONF
    3. RESTCONF
    4. OpenConfig and gNMI
    5. Interview with the Expert
    6. Summary
    7. References in This Chapter
18. Chapter 5. Telemetry Explained
    1. Introduction
    2. Data Model–Driven Telemetry
    3. Moving Away from SNMP to Telemetry
    4. Telemetry Use Cases
    5. Telemetry Components
    6. Telemetry Standard Mechanisms
    7. Interview with the Experts
    8. Summary
    9. References in This Chapter
    10. Endnotes
19. Chapter 6. YANG Data Modeling Developments in the Industry
    1. Introduction
    2. The Beginning: The IETF
    3. Embracing YANG Throughout the Industry
    4. The OpenConfig YANG Model
    5. Industry Coordination Is Required
    6. Interoperability Testing
    7. Implementing More Than One YANG Model for a Specific Functionality
    8. Interview with the Expert
    9. Summary
    10. References in This Chapter
    11. Endnotes
20. Chapter 7. Automation Is as Good as the Data Models, Their Related Metadata, and the Tools: For the Network Architect and Operator
    1. Introduction
    2. Getting to Know the Structure of a YANG Module
    3. Finding the Right Modules Using the YANG Catalog
    4. Interacting with Devices
    5. Interview with the Experts
    6. Summary
    7. Endnotes
21. Chapter 8. Automation Is as Good as the Data Models, Their Related Metadata, and the Tools: For the Module Author
    1. Introduction
    2. Designing Modules
    3. Understanding Your Module’s Impact
    4. Interview with the Expert
    5. Summary
    6. Endnotes
22. Chapter 9. Automation Is as Good as the Data Models, Their Related Metadata, and the Tools: For the Application Developer
    1. Introduction
    2. Working with YANG Modules
    3. Interacting with the Network
    4. Making YANG Language Native
    5. Interview with the Expert
    6. Summary
    7. Endnotes
23. Chapter 10. Using NETCONF and YANG
    1. Introduction
    2. So the Story Goes
    3. Top-Down Service Model
    4. Bottom-Up Device Templates
    5. Service Logic Connecting the Dots
    6. Setting Up NETCONF on a Device
    7. Discovering What’s on a Device
    8. Managing Services
    9. Manager Synchronization with Devices
    10. Network-Wide Transactions
    11. Interview with the Experts
    12. Summary
24. Chapter 11. YANG Model Design
    1. Introduction
    2. Modeling Strategy
    3. YANG Modeling Tips
    4. Common YANG Mistakes
    5. Backward Compatibility
    6. Interview with the Experts
    7. Summary
    8. References in This Chapter
25. Index
26. Code Snippets