Web Service and BlazeDS Integration

We can Integrate web services and BlazeDS in flex application. We
need to follow some steps for setting the BlazeDS. Here is the
reference link:

http://learn.adobe.com/wiki/display/Flex/Creating+a+BlazeDS+web+servi...

For Amazon Web Services, it is providing the infrastructure for web services
platform only. We need the wsdl of AWS and write on the server side
configuartion xml file for BlazeDS.