RFC 9204 · PROPOSED STANDARD · 2022
SUN · 14 JUN 2026
QPACK: Field Compression for HTTP/3
Overview
RFC 9204, “QPACK: Field Compression for HTTP/3”, is a Proposed Standard document published in June 2022 by C. Krasic, M. Bishop, A. Frindell. The canonical text is published by the RFC Editor.
Abstract
This specification defines QPACK: a compression format for efficiently representing HTTP fields that is to be used in HTTP/3. This is a variation of HPACK compression that seeks to reduce head-of-line blocking.
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 9204 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
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