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RFC 9842: Compression Dictionary Transport

In plain English — editorial summary, not part of the RFC

This document specifies a mechanism for dictionary-based compression in the Hypertext Transfer Protocol (HTTP). By utilizing this technique, clients and servers can reduce the size of transmitted data, leading to improved performance and reduced bandwidth consumption. This document extends existing HTTP compression methods and provides guidelines for the delivery and use of compression dictionaries within the HTTP protocol.

Document record

Document ID
RFC9842
Published
September 2025
Authors
P. Meenan; Y. Weiss
Status
PROPOSED STANDARD
Stream
IETF
Area
wit
Pages
17
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The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

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