RFC 9221 · PROPOSED STANDARD · 2022
SUN · 14 JUN 2026
An Unreliable Datagram Extension to QUIC
Overview
RFC 9221, “An Unreliable Datagram Extension to QUIC”, is a Proposed Standard document published in March 2022 by T. Pauly, E. Kinnear, D. Schinazi. The canonical text is published by the RFC Editor.
Abstract
This document defines an extension to the QUIC transport protocol to add support for sending and receiving unreliable datagrams over a QUIC connection.
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 9221 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
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