服务器推送技术（又名“ COMET”，“ http服务器推送”，“ websockets”） [英] Server-Push Technology (aka. "COMET", "http server push", "websockets")

问题描述

MS / Azure通过服务器推送技术提供了什么？我的猜测是，目前还没有RTM产品。我相信该技术的面向Microsoft状态如下：

What does MS/Azure offer in the way of server push technology? My guess is that there is not, as yet, an RTM offering for this. The Microsoft-oriented status of this technology, I believe is as follows:

• WCF：提供TCP双工，但需要两个TCP套接字（其中在客户端上打开一个）。因此，这不是COMET（并且不能通过防火墙）


• WebSockets：可从Microsoft的 Html 5 Labs ，但仍处于开发阶段


• ASP.NET：提供了 反向ajax 。看起来很新。这是最接近MS推荐方法的东西吗？

• WCF: offers TCP duplexing, but requires two TCP sockets (where one is opened on the client). Ergo this is not COMET (and won't work through firewalls)
• WebSockets: Available from Microsoft's Html 5 Labs, but still very much under development
• ASP.NET: There is a "MS code samples" offering of "reverse ajax". It looks very new. Is this the closest thing to a MS recommended approach?

我还看到Azure在讨论 工人角色沟通，但由于它需要端口 80和443以外，因此不符合要求。

I also see an Azure discussion of "Worker Role Communication", but that does not qualify since it requires ports "other than 80 and 443."

那么这仍然是一个拭目以待的话题，还是我缺少了什么？

So is this still a "wait and see" topic, or is there something I'm missing?

推荐答案

看看 WebSync ；它不是来自微软本身，而是基于微软技术的彗星解决方案。

Take a look at WebSync; it's not from Microsoft itself, but it's a solution for comet based on Microsoft technology.

（免责声明：我在@Frozen Mountain工作）。

(Disclaimer: I work @ Frozen Mountain).

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