I'd definatly have a look at XML-RPC (http://www.xml-rpc.com/)
While implementations are not available in every language (of note, Java, Perl, and Python have implementations), it's simple enough to write your own easily.
I've writtern a few programs using it with Python and Delphi, with great results.
In essence, it's doing a procedure call, with the parameters and return values in an XML format, over HTTP. If you're famliar with both, it's dead simple to do, if not, it's a great excuse to learn:)
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I'd definatly have a look at XML-RPC (http://www.xml-rpc.com/)
While implementations are not available in every language (of note, Java, Perl, and Python have implementations), it's simple enough to write your own easily.
I've writtern a few programs using it with Python and Delphi, with great results.
In essence, it's doing a procedure call, with the parameters and return values in an XML format, over HTTP. If you're famliar with both, it's dead simple to do, if not, it's a great excuse to learn :)