System Design
Based on the requirements, SOAP is an obvious choice as base technology for the exposed API. Figure 15.1 shows the high-level structure of the application in relation to potential external clients.
Figure 15.1. Public order processing system high-level overview.
SOAP Considerations
SOAP is an XML-based Remote Procedure Call protocol that was originally intended to be served via HTTP requests. Each SOAP request is logically mapped to a method invocation on a server object. The object processes the arguments that were passed in by the SOAP client, then sends a result that the client reads as an HTTP response.
Like HTTP, SOAP calls are ...
Get Strategic XML now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
