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Managing and Monitoring
Managing and monitoring an integration solution after it has been built is an
important consideration that is often overlooked. This management involves
much more than simply dealing with exceptions generated from the various
pieces of code you rely on. Monitoring in an enterprise integration context not
only means making sure that no technical or performance issues exist, it also
means answering business-related questions such as these:
Where is message x currently?
Why did system B not receive message x?
Where are the bottlenecks in the business process that involves sys-
tems A, B, and C?
The term for this is Business Activity Monitoring (BAM). BAM is a logical
extension of the technical monitoring level you need to keep the system
healthy. If you automate a system, the data you gather about how the underly-
ing technology performs can be used to analyze the system itself. This technical
data provides the basis for business analysis. If you track each message as it
enters and exits a piece of code and you know the function of that code, you
can transfer that data into business terms. For example, if you have a component
that provides an approval service and you know the time that each message is
sent to and returned from this component, you can determine the average time
spent approving a message. This information can be extremely useful information
to a business.
In this chapter, we will look at several techniques to examine both the
ongoing state of a solution and how that data can be used in a BAM context.

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