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Just a short one today folks. I wanted to indicate some exciting stuff that’s happened in the past few hours, and get you excited for how the web is shaping up.

今天只是一小部分人。 我想指出过去几个小时发生的令人兴奋的事情，并使您对网络的发展方式感到兴奋。

A few months ago I wrote a post about how iOS 9 was going to have HTTP/2 support, which you can . Since then, I started work on my new ambitious project: a pure-Python HTTP/2 stack that would work equally well as a client or a server. You can find this project .

几个月前，我写了一篇有关iOS 9如何具有HTTP / 2支持的文章，您可以 。 从那时起，我开始着手进行新的雄心勃勃的项目：一个纯Python HTTP / 2堆栈，该堆栈可以像客户端或服务器一样良好地工作。 您可以找到该项目。

For the moment the project ships with a basic example server, written for Twisted. This server does nothing much: if you hit the base path, it echoes back a JSON dictionary of the headers from the request. Very simple.

目前，该项目附带一个为Twisted编写的基本示例服务器。 该服务器无济于事：如果您击中了基本路径，它将回显请求中标头的JSON字典。 很简单。

Today, iOS 9 came out for real, and I decided I’d play around with it a bit. Using a custom version of Twisted containing , I made a few tiny changes to the Twisted example server to get it up and running with TLS and a self-signed certificate.

今天，iOS 9真正面世了，我决定自己尝试一下。 使用包含的Twisted的自定义版本，我对Twisted示例服务器进行了一些小改动，以使其启动并使用TLS和自签名证书运行。

The result is below: a series of pictures of modern web browsers speaking HTTP/2 to a HTTP/2 server written entirely in Python. There’s no C extensions here: just Python. Along with each image is the list of settings that HTTP/2 client explicitly sends.

结果如下：一系列现代Web浏览器的图片，这些图片在完全用Python编写的HTTP / 2和HTTP / 2服务器之间进行了HTTP / 2编程。 这里没有C扩展：只有Python。 与每个图像一起的是HTTP / 2客户端显式发送的设置列表。

The next few months of work on hyper-h2 should be really interesting. Come help me out! In the meantime, if you want to try it out yourself, the code is available : don’t forget to apply the Twisted patch!

关于hyper-h2的接下来的几个月的工作应该真的很有趣。 快来帮帮我！ 同时，如果您想自己尝试一下，可以找到代码：不要忘记应用Twisted补丁！

Safari（iOS 9） (Safari (iOS 9))

Settings:

设定：

• SETTINGS_HEADER_TABLE_SIZE: 4096
• SETTINGS_ENABLE_PUSH: 0 (this is sad: no server push for mobile Safari)
• SETTINGS_MAX_CONCURRENT_STREAMS: 100
• SETTINGS_INITIAL_WINDOW_SIZE: 65535

• SETTINGS_HEADER_TABLE_SIZE ：4096
• SETTINGS_ENABLE_PUSH ：0（这很可惜：没有用于移动Safari的服务器推送）
• SETTINGS_MAX_CONCURRENT_STREAMS ：100
• SETTINGS_INITIAL_WINDOW_SIZE ：65535

Safari（OS X El Capitan GM） (Safari (OS X El Capitan GM))

Settings:

设定：

• SETTINGS_HEADER_TABLE_SIZE: 4096
• SETTINGS_ENABLE_PUSH: 0 (No push for desktop either? Double sadness!)
• SETTINGS_MAX_CONCURRENT_STREAMS: 100
• SETTINGS_INITIAL_WINDOW_SIZE: 65535

• SETTINGS_HEADER_TABLE_SIZE ：4096
• SETTINGS_ENABLE_PUSH ：0（也不推动桌面使用？两次悲伤！）
• SETTINGS_MAX_CONCURRENT_STREAMS ：100
• SETTINGS_INITIAL_WINDOW_SIZE ：65535

Chrome（版本45.0.2454.85，OS X） (Chrome (Version 45.0.2454.85, OS X))

Settings:

设定：

• SETTINGS_MAX_CONCURRENT_STREAMS: 1000
• SETTINGS_INITIAL_WINDOW_SIZE: 6291456

• SETTINGS_MAX_CONCURRENT_STREAMS ：1000
• SETTINGS_INITIAL_WINDOW_SIZE ：6291456

Firefox（40.0.3，OS X） (Firefox (40.0.3, OS X))

• SETTINGS_INITIAL_WINDOW_SIZE: 131072
• SETTINGS_MAX_FRAME_SIZE: 16384

• SETTINGS_INITIAL_WINDOW_SIZE ：131072
• SETTINGS_MAX_FRAME_SIZE ：16384

翻译自:

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