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https://issues.apache.org/jira/browse/TS-2729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14316888#comment-14316888
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Bryan Call commented on TS-2729:
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I looked over the patch and it looks pretty good. I think it is good to add
into the ATS tree in its current state.
> Add HTTP/2 support to ATS
> -------------------------
>
> Key: TS-2729
> URL: https://issues.apache.org/jira/browse/TS-2729
> Project: Traffic Server
> Issue Type: New Feature
> Components: HTTP/2
> Reporter: Ryo Okubo
> Assignee: James Peach
> Labels: review
> Fix For: 5.3.0
>
> Attachments: 0003-h2-prototype.patch, 0004-h2-prototype.patch,
> h2c_upgrade.patch, hpack.patch, http2-0004.patch, improve-mime.patch
>
>
> h2. Overview
> Support HTTP/2 as a client side L7 protocol. This feature is implemented into
> ATS core.
> Now, it supports the latest HTTP/2 draft version, h2-16.
> https://tools.ietf.org/html/draft-ietf-httpbis-http2-16
> h2. How to test
> # Build ATS codes normally. you need neither any build option nor external
> HTTP/2 library.
> # Configure settings to use https.
> # Add settings to records.config to use http2.
> {noformat}
> CONFIG proxy.config.http2.enabled INT 1
> {noformat}
> # Access to ATS by HTTP/2 client.
> h2. Descriptions of current attached patches.
> * 0003-h2-prototype.patch
> ** For experiment. Please don't merge it. It enables to interpret HTTP/2
> requests and respond for it. But now this code is unsafe and dirty. More
> refactoring is required.
> h2. DONE
> * Fundamental HTTP/2 frame handling
> * Flow control
> * Some error handlings
> h2. TODO
> * Refactoring
> * More debugging
> * Write documents
> * Add test tools for HPACK, HTTP/2 frames
> h2. No plan
> * [Server
> Push|https://tools.ietf.org/html/draft-ietf-httpbis-http2-16#section-8.2]
> This would probably require support for [Link
> preload|http://w3c.github.io/preload/#interoperability-with-http-link-header]?
> * [Stream
> Priority|https://tools.ietf.org/html/draft-ietf-httpbis-http2-16#section-5.3]
> * [Alternative
> Services|https://tools.ietf.org/html/draft-ietf-httpbis-alt-svc-06]
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