Some of the delay resulted from their schedules, availability of resources, and other business constraints.
availability of resources
This method allows the infrastructure to be Shared among user requests, which leads to a greater availability of resources.
The cornucopian belief that human ingenuity will always find ways to increase the availability of resources is not a sure bet (see article).
The ODR can use its knowledge of response time goals and the relative availability of resources (CPU and memory) in different cluster members to perform dynamic workload management.