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1. HttpClient, a Java stand-alone program, connects to http://localhost:8912 through the URLConnection class. HttpClient sends the file request.xml to this port.
2. httpReceiver, an HTTP server, being a listener on http://localhost:8912 receives the message.
3. httpReceiver sends the message to stockQuote as specified in its destinationService property, via NMR.
4. stockQuote sends the message into another service, soapEndpoint, for processing.
5. soapEndpoint sends the response to stockQuote.
6. stockQuote sends the response to httpReceiver via NMR.
7. httpReceiver sends the response to http://localhost:8912.
8. HttpClient reads the response.
9. The response is printed on the console.

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