System Management and Monitoring
Cross cutting concerns like transactions or security or even Service Level Agreement
(SLA) management and monitoring are just a few of a set of features apart from
business functionality that any enterprise class service ecosystem has to provide.
The ESB architectures provides enough hooks to attach similar services onto the bus
separate from normal business functionality. This ensures that these cross cutting
functionality can be applied to all services and also enable us to manage, monitor,
and control them centrally.
Enterprise Service Bus
Having understood the various integration problems, which can be addressed in
multiple ways, of which ESB is of the prime concern and is central to our discussion
in this book, we will try to understand the ESB better here.
Service in ESB
It is time now to understand "Service" in ESB. Why don't we call it Enterprise
Component Bus?
Why Enterprise Service Bus
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Services are exposed functionalities which are clearly defined, self contained, and
which will not depend on the state and context of peer services.
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