RFC 9911 · PROPOSED STANDARD · 2025
WED · 29 JUL 2026
Common YANG Data Types
Overview
RFC 9911, “Common YANG Data Types”, is a Proposed Standard document published in December 2025 by J. Schönwälder. It obsoletes RFC 6991. The canonical text is published by the RFC Editor.
Abstract
This document defines a collection of common data types to be used with the YANG data modeling language. It includes several new type definitions and obsoletes RFC 6991.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 9911 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
Relationships to other RFCs
Other RFCs from 2025
- RFC 9909 Internet X.509 Public Key Infrastructure -- Algorithm Identifiers for the Stateless Hash-Based Digital Signature Algorithm
- RFC 9906 Deprecate Usage of ECC-GOST within DNSSEC
- RFC 9905 Deprecating the Use of SHA-1 in DNSSEC Signature Algorithms
- RFC 9904 DNSSEC Cryptographic Algorithm Recommendation Update Process
- RFC 9903 A YANG Data Model for OSPF Segment Routing over the MPLS Data Plane
- RFC 9902 A YANG Data Model for IS-IS Segment Routing over the MPLS Data Plane
- RFC 9901 Selective Disclosure for JSON Web Tokens
- RFC 9900 Updates to NETCONF Transport Port Numbers