- This paper describes the architectural considerations in the design of a web services B2B application. A component design is presented which exploits the postulated advantages of object oriented and web services technologies. Our main focus has been to design interim measures to overcome the limitations of current web services architecture and standards. We discuss our interim design with reference to our approach to load balancing and the design of application based error handling to support both the load balancing requirements and the web services architecture. The design issues surrounding application based concurrency control in a B2B web services environment are also described. Our concurrency control approach presents a practical adaptation of a pessimistic scheme supporting a nested transaction model.
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