Again, we will look at the CTU business case started in the previous chapter. While the Brazilian CIO was busy re-engineering and implementing order fulfillment in a Pan-American way, urgent needs for a lightweight service broker for mobile OSS/BSS operations were expressed in the Chile regional office.
A new project named Extended Data Interchange (XDI) was started independently. Initial requirements were to cover message brokering between ERP (Oracle EBS R11) and mobile/network equipment providers, routing purchase orders to different suppliers. Direct communication was impossible for the following two reasons:
OeBS R11 was able to post messages as SOAP 1.1, where most of the suppliers required SOAP 1.2.
Supplier endpoint maintenance was considered impractical in the core ERP and the need for a middleware layer was expressed. The solution had to be compact enough to be moved out from the production to the communication zone or even to the DMZ. Basic security...