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https://issues.apache.org/jira/browse/TS-2729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13979425#comment-13979425
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Yunkai Zhang commented on TS-2729:
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@James,
I'm not working on ATS project at Taobao now, and be busy with another project.
I hope you and other developers can continue to improve SPDY/HTTP2.
The probe mechanism and configuration will be easy to refined, patch is welcome.
Moving from TS API to the internal API(IIUC, that is removing the dependency of
FetchSM) needs more hard work，and I don't think it's more urgent than
introducing HTTP/2 to ATS.
I believe that the supporting of HTTP/2 will make ATS grab much more market
share, that is really very important for this community.
So, I hope our community can go on to refine SPDY/HTTP2 patches, so that it can
be landed as much as quickly.
> 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: 5.0.0
>
> Attachments: draft11.patch, http2-0001.patch
>
>
> h2. Overview
> We, CDN team of Yahoo! JAPAN, have implemented HTTP/2 support in ATS core
> experimentally.
> Now, it supports HTTP/2 draft-10.
> http://tools.ietf.org/html/draft-ietf-httpbis-http2-10
> 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.
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