1. A system comprising: a memory having computer readable instructions; and a processor for executing the computer readable instructions, the computer readable instructions comprising: identifying physical resources in a computer environment; allocating virtual resources to the physical resources; aggregating the virtual resources, as a virtual resource pool, at a per virtual machine level in the computer environment, wherein the virtual resource pool includes a total number of virtual resources assigned per virtual machine, wherein aggregating the virtual resources further comprises aggregating a number of virtual machines per load-balancer and aggregating a number of virtual machines per firewall; evaluating the virtual resources in the virtual resource pool against resource pool domain constraints, wherein the resource pool domain constraints comprise a maximum size of a hypervisor domain, a Layer 2 network adjacency domain size, a maximum available storage input/output operations per second value, a maximum inter-switch link hops value, a maximum number of virtual LANs, and a maximum number of virtual SANs; determining a resource allocation adjustment as a function of the evaluating; and adjusting the virtual resources based on the resource allocation adjustment to a desired level of computing performance based on quantifiable performance objectives, wherein the desired level of computing performance is a maximum specified virtual machine density.