Worst-Case Conditions
For many Windows or Web browser applications this type of operating environment represents worst-case conditions:
When you are deploying to worst-case conditions there are a number of very significant performance risks that you face.
It is important when designing and implementing any application to identify your best case and worst case operating conditions as early as possible and to then assess the risks that exist in the gap between them.
See A Risk Check List for help in identifying and assessing some of your possible risks.