1. A system comprising: a first processing node; a second processing node; and a network switching device including: a first multifunction module coupled to the first processing node via a first interface, the first multifunction module accessible to the first processing node via a first function of the first multifunction module, the first multifunction module including a first network interface accessible to the first processing node via a second function of the first multifunction module, the first network interface to provide network access to the first processing node, the first multifunction module comprising a first Peripheral Component Interconnect Express (PCIe) multifunction endpoint; a second multifunction module coupled to the second processing node via a second interface, the second multifunction module accessible to the second processing node via a first function of the second multifunction module, the second multifunction module including a second network interface accessible to the second processing node via a second function of the second multifunction module, the second network interface to provide network access to the second processing node, the second multifunction module comprising a second PCIe multifunction endpoint; a management controller coupled to the first multifunction module to provide out-of-band management functions to the first processing node, and coupled to the second multifunction module to provide the out-of-band management functions to the second processing node, the management controller accessible to the first processing node via a third function of the first multifunction module and accessible to the second processing node via a third function of the second multifunction module; a message passing interface device coupled to the first multifunction module and the second multifunction module to provide message passing between the first processing node and the second processing node, the message passing interface device accessible to the first processing node via a fourth function of the first multifunction module and accessible to the second processing node via a fourth function of the second multifunction module; a storage interface device coupled to the first multifunction module to provide a storage capacity to the first processing node and coupled to the second multifunction module to provide the storage capacity to the second processing node, the storage interface device accessible to the first processing node via a fifth function of the first multifunction module and accessible to the second processing node via a fifth function of the second multifunction module; and a remote component controller coupled to the first multifunction module and the second multifunction module, the remote component controller accessible to the first processing node via a sixth function of the first multifunction module and accessible to the second processing node via a sixth function of the second multifunction module.