Question

‘Bottom up’ or ‘top down’?

First I used top down but I felt to much design options that didn’t have any implementation or validation.

Now my approach is ‘bottom up’ heaven when a create a new service.

• Bottom-up: when you use the code to make the web-service.
• Top-Down: when you create and use the wsdl file to make the web-service and generate some code.

Answer 1

I use ‘contract first’ – start with a schema describing the XML messages and work out from there. Generate the WSDL from that, and have the endpoints deal with XML. You can do ‘duck typing’ that way.