Compression Dictionaries for HTTP/2

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Document Type Expired Internet-Draft (individual)
Author Vlad Krasnov 
Last updated 2017-09-14 (latest revision 2017-03-13)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document specifies a new HTTP/2 frame type and new HTTP/2 settings values that would enable the use of previously transferred data as compression dictionaries, significantly improving overall compression ratio for a given connection. In addition, this document proposes to define a set of industry standard, static, dictionaries to be used with any Lempel-Ziv based compression for the common textual MIME types prevalent on the web.


Vlad Krasnov (

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