The first milestone demonstrate the interoperability between
- .NET - Microsoft WCF implementation
- Java - WSO2 Web Service Application Server (WSAS) implementation
- PHP - WSO2 Web Service Framework for PHP (WSF/PHP) implementation
Each of these technologies has implemented a Stock trader application with Business Service, Order Processor and Trader Client components. You will be able to assemble the application by mixing components from any of the above implementations.
It provides you a great sample on using basic web services features (SOAP, WSDL etc..) and WS-Security across the above platforms.
If you are interested, you can download the sources and binaries from here, http://www.apache.org/dist/incubator/stonehenge/. Installation guides and other documentations can be found from here, http://cwiki.apache.org/STONEHENGE/