It is more common to have a system that borrows from each of these approaches to create a chargeback procedure that is specifically tailored to the needs of a specific organization. For instance, a particular organization may look to implement a system that influences service objectives through the use of a tiered-based pricing with assurance adjustments on top of a fixed recurring subscription charge. Here the aim is to strengthen the control a Business Unit has over the quality and equitability of a service, while providing for a great deal of stability and predictability of cost.
In addition, a differentiation may exist between services bound to that organization’s infrastructure and those that are not. These infrastructure services can be positioned to do chargeback based on a specified allocation method as in a ‘per subscription’ basis, while chargeback for the other services can be based on actual consumption using a fixed rate.
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