Software from Data Synapse Inc, New York, NY (www.datasynapse.com) that treats the servers in the datacenter as a pool of operating system resources. It assigns applications to those resources in real time based on demand and is able to lower the priority of running applications or remove them entirely if necessary. Popular in the financial industry, FabricServer is a pioneering application that allocates prioritized applications in real time. The product falls under Data Synapse's "application virtualization" category; however, the servers may or may not use virtual machine techniques or other partitioning methods. See application virtualization.