B2B Integration : A Practical Guide to Collaborative E-commerce

336 B2B Integration — A Practical Guide to Collaborative E-commerce
Figure 11.4. — Example of Web Services in B2B applications
Supplier C
• Described using WSDL;
• Published using UDDI;
• Found using UDDI;
• Bound using SOAP (or HTTP GET /POST);
• Invoked using SOAP (or HTTP GET/POST); and
• Composed with other services into new services using WSFL.
Figure 11.4 shows an example of actual use of Web services in a
B2B application, where a buyer gets information about Web services of
suppliers using private UDDI registry and invokes these services over
the Internet to get quotes for a specific item.
11.8. Essential Features of a Web Services
Framework
A Web services framework for EAI and B2Bi has to provide an
integrated development environment and platform for easily building
and deploying Web Services and service components. There are a few
essential features that Web Services solution vendors will have to
incorporate in order to successfully support Web Services, without
which their use and adoption within companies is not possible. They
are (see Figure 11.5):
• Easy and secured connectivity to private and public UDDI, or any
other repository;