Capacity planning

In 2014, when the payments deadline approached for Her Majesty's Revenue and customs, the banking system, operated by Citibank collapses under the weight of transactions total £1 million a minute. The bank has failed to plan its capacity, despite the obvious deadline. Capacity planning, of hardware, networking and storage is critical to maintaining availability. It involves not only understanding what the current system capacity is, and whether it is used effectively, but also working with the business to predict what capacity changes might be required from increases in customers, new products, mergers etc.

Tasks
Define capacity planning. Outline the ITIL approach to capacity planning. Why is it important? Explain some of the tools needed for capacity planning. How can the decision making for capacity planning be supported? What do you need to measure? Describe a case study of capacity management (for example, Domino's Pizzas - see slides) Contrast replacement versus upgrades. Explain how IT asset management relates to capacity planning.