An evaporator or distillation apparatus includes an inlet supply line for supplying an influent liquid, a heater configured to heat the influent liquid supplied by the inlet supply line, and a plurality of cells. The network planning process distributes the access links associated with the customer locations to the selected nodes of provider network such that overall latency goals for the network are met and such that the density of the connected customer locations to the network nodes in the network satisfy density requirements. The method may include identifying, at a device, an individual through facial recognition, voice recognition, or a unique RFID. The clamping portion is also used to tighten the wastegate actuator in place on the turbocharger body. In the third state, the new key may be used for generating signatures for outgoing packets and either one or both of the old key and new key may be used for authenticating signatures of incoming packets.