> is it possible to have a GWT application make RPC calls to a RPC
> server that has been developed independent from GWT?
> If yes, can I still use GWT's RemoteService and RemoteServiceServlet
> or do I have to implement RPC communication from scratch?
> Can I find an example somewhere, how to communicate between a GWT
> client and a non-GWT RPC server?
Use websockets. There can be two way exchange of binary data.
Specifically, object graphs can be exchanged. TO my knowledge,
Chrome,Firefox,IE, Opera, Opera mobile support web sockets.
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