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Chapter 3
Observing Behavior
is chapter is about observing the behavior of systems. Systems can be thought of
as comprised of two parts, a static or structural part, and a dynamic or behavioral
part. For example, consider an equity trading market. ere is a physical location
where the market resides (even “virtual” markets require some form of infrastruc-
ture to house the network servers and support personnel), and the operations that
are conducted to perform transactions. e static part of a system is usually more
accessible than the dynamic part, because the dynamic part is based on system
operation—requiring long-term observation to underst ...