A processing unit is configured to establish a driver relationship between a network interface driver and a network interface device, the network interface device being configured to carry out multiple functions through the operating system. The X and Y values are distances, which when smoothly connected by an appropriate continuing curve, define airfoil profile sections at each distance Z. The cavity has a given diameter along a first length of the body, and of reducing diameter along a second length of the body. One implementation conforms to one or more variants of the IEEE 802. The node sends traffic to the other nodes whether the node is in the full receive state or the isolated receive state.