Growth Considerations

When sizing a system and performing a capacity planning exercise, accounting for future growth is crucial. In fact, capacity planning is all about system growth. But as with the previous sections in this chapter, the calculations needed to calculate future growth depend heavily on the data that you put into these calculations. If you are not given sufficient information to anticipate the system growth, then you will be completely unable to anticipate system problems.

For this reason, it is important that the IT staff communicates with its customer. This customer might be the accounting group, the call center, or another user community. Your customer must provide you with a projection of future system usage. If your system ...

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