A method and apparatus for encasing a carrier pipe using PVC sections. A prompt message corresponding to a scheduled time is acquired and then played to remind a user, when the scheduled time set in a notepad is consistent with a real time after a comparison. The packets are stored in a buffer of the network device as they are processed by the network device. The interaction data is aggregated using the mapping of the device identifier to the plurality of third party identifiers. A service component which communicates with the control component has access to the file register and the file definition component.