Main uses
The idea of resource allocation is found in several domains such as transportation, operations management, workflows, business rules, etc. The framework itself doesn't make an assumptions about the underlying domain model.
The principal use tough, is donde in the workflow domain, where tasks are to be distributed or allocated to resources (roles or individual people).
Depending on the workflow type you can use on policy or another. For example in businesses where a permanent and stable contact is required, the CaseHandlingPolicy is very adequate. The same person will received the same company or person to contact (thinking the CRM way).
In the sales enviroment the ShortestQueuePolicy is very useful. You want to assign the work to whoever is the least occupied. We can came up with many examples more, but you can get the point. Search for the policies and if none of them is suitable for your need, just write or extend one of the existing. The writing of a policy is a very easy process.