Working example of Rails 3.1 + Juggernaut Instant Messenger?

Are there any decent example apps for an ruby on rails 3 instant Messenger app based on any of the publish-subscribe messaging system Juggernaut?

• 1-1 chat with method of adding 2 users to a "co开发者_运维问答nversation"
• Ways to protect the 1-1 conversation to only visible to those 2 persons in it
• basic frontend implementation

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Here is an example which might help you:

https://github.com/maccman/holla

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If you are not already aware of it you may also be interested in pusher.com as a 'hassle free' alternative. The only drawbacks are that their free version is limited to a maximum of 20 connections and 100,000 messages per day.

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I will be using Faye since it supports direct push. Juggernaut still seems a very nice solution also though