Therefore, it is prudent to include various business and technology
scenarios in the service life cycle to accommodate these unpredictable incidents. Stock market
volatility, for example, can spur high unemployment and affect interest rates. Consequently, these
events can lower investor demand for equities and increase interest in fixed-income investments.
A service-oriented life cycle that is tuned to such unstable market scenarios can offer better
38 Ch. 2 Service-Oriented Life Cycle Model
Service Life Cycle Timeline
Start End
Service Life Cycle Events
Planning a
Stage S
Design
Stage
Construction
Stage
Deployment
Stage
Support
Stage
EXHIBIT 2.6 SERVICE-ORIENTED LIFE CYCLE WITH SDLC STYLE STAGED EVENTS
strategies to address business agility and technological flexibility. In this case, one solution would
be to strengthen the fixed-income service support to accommodate its rising consumption demand.
???Support??? means increase in funding or boosting service technical capabilities, such as scalability
and high availability.
Accommodating Life Cycle Unpredictable Events. Special attention should be given to unpredictable
business and technology events when carving out a service-oriented life cycle strategy.
How is it possible to establish a service life cycle that is driven by events that are hard to forecast?
Are business events indeed hard to foresee? The answers to these questions depend on the
organization??™s ability to conduct risk analysis and provide proper strategies to cope with unpredictability
and market uncertainty.
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