dynamically reconfigured. Challenges include a non-linearly degrading performance curve, whereby adding resources does not linearly increase performance which is a common problem with parallel computing and maintaining security. Companies companies offering unified or fabric computing systems include Avaya, Brocade, Cisco, Egenera, HPE, IBM, Liquid Computing Corporation, TIBCO, Unisys, and Xsigo Systems. See also Cloud computing Converged infrastructure Grid computing Omni-Path Parallel computing Massively parallel Massively parallel processor array (MPPA) References External links Cisco Unified Computing and Servers Flexible HPE Converged Systems What is a Switch Fabric Cloud computing Distributed computing architecture Computer networking