From: ilya@...
Date: 2014-11-29T21:42:09+00:00
Subject: [ruby-core:66573] [ruby-trunk - Feature #9390] Support for the ALPN	TLS extension

Issue #9390 has been updated by Ilya Grigorik.


Carsten Bormann wrote:
> Note that RFC 7301 has published:  http://tools.ietf.org/html/rfc7301
> 
> HTTP/2 is nearing completion and requires ALPN, so if Ruby wants to play in this space, ALPN needs to be done with high priority now.

+1. Anything we can do to move this forward?


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Feature #9390: Support for the ALPN TLS extension
https://bugs.ruby-lang.org/issues/9390#change-50188

* Author: Ilya Grigorik
* Status: Assigned
* Priority: Normal
* Assignee: Martin Bosslet
* Category: ext/openssl
* Target version: 
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ALPN [1] is a successor [2] to NPN, support for which was added in 2.0.0 [3].

HTTP/2 [4] is using ALPN to negotiate protocol support, and the spec is moving fast -- it'd be great to have ALPN support in one of the upcoming Ruby releases. Current status of ALPN support in various TLS libraries and languages: https://github.com/http2/http2-spec/wiki/ALPN-Status. 

As a side note, for anyone interested, I have an implementation of draft-06 http/2 spec: https://github.com/igrigorik/http-2

[1] http://tools.ietf.org/html/draft-friedl-tls-applayerprotoneg-02
[2] https://www.imperialviolet.org/2013/03/20/alpn.html
[3] https://bugs.ruby-lang.org/issues/6503
[4] http://tools.ietf.org/html/draft-ietf-httpbis-http2-00



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