RFC 7541 · PROPOSED STANDARD · 2015
SUN · 14 JUN 2026
HPACK: Header Compression for HTTP/2
Overview
RFC 7541, “HPACK: Header Compression for HTTP/2”, is a Proposed Standard document published in May 2015 by R. Peon, H. Ruellan. The canonical text is published by the RFC Editor.
Abstract
This specification defines HPACK, a compression format for efficiently representing HTTP header fields, to be used in HTTP/2.
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 7541 is hosted at rfc-editor.org. Available in TXT,HTML.
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