Design Priorities
To provide guidance for the ITO when making design decisions, the Company prioritized the major features of the system. These priorities give the ITO the freedom to implement the best possible system while carefully considering the business requirements of the Company. TABLE 6-2 lists the priorities. The ITO uses these priorities to resolve the decision when the design involves a trade-off between two major features.
| Feature | Priority |
|---|---|
| Availability | 1 |
| Reliability | 2 |
| Serviceability | 3 |
| Security | 4 |
| Recovery | 5 |
| Cost | 6 |
| Performance | 7 |
Availability
Availability is the highest priority. The Company realizes that many external users have direct system access. The availability of the service provided to these ...
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