WebSphere Enterprise Service Bus – our main focus was to implement integration across a bunch of systems interacting separately with each other. In this context, IBM’s service bus came up to be good candidate for reducing the amount of relations between distributed systems. This feature has proved itself as a more or less easy to be set-up, tuned and customized for the specific company means.
WebSphere Process Server – while dealing with the problem of systems integration there often arises an opportunity to incorporate some company-specific business processes to the service bus. In case when a business process requires responses from a number of systems, requests to a number of systems to get some reference information or even some sort of human workflow to receive approval, etc. – then such processes may be implemented within one solid medium being able to interact with each and every system using specific adapters.