On Aug 4, 2013, at 5:39 PM, Mark Hahn <m...@reevuit.com> wrote:

> As you said, ZeroMQ, Faye, etc. require a 3rd party library.

Faye doesn't require a 3rd-party library.  http://faye.jcoglan.com

> I'm already using Socket.io but I don't think it solves my problem and I 
> think it requires redis be installed separately. There is virtually no 
> documentation on socket.io with redis.

They're complimentary, and socket.io doesn't require Redis at all.  Socket.io 
and SockJS provide two-way eventing/message-passing between separate Node.js 
processes or browsers.  You could easily create a hub that publishes messages 
to subscribers using simple strings for "topics".

> Postal.js falls into that category of pub/sub modules that make no mention as 
> to whether they work across different node processes with IPC.  A blog entry 
> talks about cross-frames in the browser but that is quite different.  I guess 
> I'll have to dive into the code to figure this out.  Or I'll ask in an issue.

Node's IPC between a parent process and spawned processes is just a pair of 
EventEmitters working together.  Either the parent or child can send() an 
object to its peer, or listen for the "message" event.  IPC is extremely 
simple; you're not going to get anything automatically.

--
Brian Lalor
bla...@bravo5.org
http://github.com/blalor

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