I am looking for good distributed RPC system, which can

1. Used in browser, nodejs. (Will be nice if it support golang, PHP or erlang)

2. Have "session" feature or at least can easily to build one.

I am currently looking into

- http://substack.net/dnode

- https://github.com/koding/kite

- http://crossbar.io/

Any others?

Any experiences?

Thanks