A communication control apparatus that enables a personal computer usually connected to a LAN when in use to be connected temporarily to the same LAN from a different location and via a different communication device, while ensuring security without time and effort spent on configuration. A communication...http://www.google.com.tw/patents/US7324463?utm_source=gb-gplus-share專利 US7324463 - Communication control apparatus and network management system using the same
