System, method, and server for keeping wireless local area network terminal online all the time

摘要

A system and method for keeping a Wireless Local Area Network (WLAN) terminal always online is provided. The method includes: the WLAN terminal, configured to receive and execute an online/offline strategy formulated by an online state server, and notify the online state server of its own state change when its own state has been switched into an online state or is about to be switched into an offline state; the online state server, configured to formulate and send the online/offline strategy to the WLAN terminal; and an online data caching server, configured to receive a notice about the online/offline state of the WLAN terminal, cache data sent by each data source to the WLAN terminal after the WLAN terminal is switched into the offline state, and transmit the cached data to the WLAN terminal after the WLAN terminal is switched into the online state.