1. A non-transitory computer-readable storage medium comprising computer executable instructions, which when executed by a processor, perform the following steps: receiving a first request for an external primary memory allocation, the first request received from an application logic unit of a device, wherein the first request for the external primary memory allocation is a request for memory that is external to the device but that is primary memory to the device; determining an allocation strategy for the external primary memory allocation in response to receipt of the first request, the allocation strategy comprising identification of a memory appliance on which to allocate a region of memory; and sending, over a network via a communication interface, a second request for allocation of the region of memory on the identified memory appliance.