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https://issues.apache.org/jira/browse/TS-2729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14029728#comment-14029728
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Leif Hedstrom commented on TS-2729:
-----------------------------------
Fwiw, I feel that HTTP/2 ought to be part of the core, such that it can
participate properly on client and server side. Also, there are some pretty
significant performance implications for certain types of plugins, which the
core does not suffer from. And in the core, it can integrate better with the
cache (if done properly).
> 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
> Labels: review
> Fix For: 5.1.0
>
> Attachments: draft11.patch, fix-handling-version-string.patch,
> http2-0002.patch, http2-0004.patch, ts2743.patch, ts2760.patch
>
>
> h2. Overview
> We, CDN team of Yahoo! JAPAN, have implemented HTTP/2 support in ATS core
> experimentally.
> Now, it supports HTTP/2 draft-12.
> http://tools.ietf.org/html/draft-ietf-httpbis-http2-12
> Our implementation similar to the SPDY implementation in ATS core(TS-2431)
> but we use nghttp2 library instead of spdylay to interpret HTTP/2 frames.
> https://github.com/tatsuhiro-t/nghttp2
> We tested NPN and ALPN negotiation.
> h2. How to test it
> * Install nghttp2 library, here is URL of this library:
> https://github.com/tatsuhiro-t/nghttp2
> * Use '--enable-http2' option to compile ATS:
> {noformat}
> $ ./configure --enable-http2
> $ make all && make install
> {noformat}
> * You can use '--with-openssl=<dir>' option.
> * Need not configure anything if you just want to test HTTP/2 without SSL.
> The code can recognize HTTP2, SPDY or HTTP by reading first to 3rd bytes of
> requests.
> * You can use nghttp in nghttp2 library(or other HTTP/2 client) to request,
> for example:
> {noformat}
> # HTTP/2 without SSL
> $ nghttp -v http://localhost/b.txt
> # HTTP/2 + SSL
> $ nghttp -v https://localhost/b.txt
> {noformat}
> h2. TODO
> * -Cleanup codes.-
> * Follow -http2 draft-12- and later.
> * -Support ALPN.-
> * Add settings related to HTTP/2 into records.config.
> ** it'll refer to configuration settings for SPDY on TS-2740
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