Shared terminal identification system using a network packet and processing method thereof

A shared terminal identification system for identifying and managing terminals sharing a single Internet line in a network environment in which traffic of all subscribers connected to a wideband network and using Internet is monitored and analyzed, the shared terminal identification system comprising:

• a management server for analyzing the traffic of the subscribers and detecting sharer users;
• an accounting server for identifying the sharer users and determining a number of terminals using a sharer;
• a central server for providing marketing data;
• a central authentication gateway server for managing and linking to authentication information;
• and
• a proxy server for managing and linking to a customer database,
• wherein the management server for detecting the sharer user comprises:
• a subscriber line authentication unit for identifying all subscribers using Internet;
• a packet collection unit for detecting a first GET packet requesting a web page;
• a first packet analyzing unit for analyzing a header of the first GET packet requesting a web page;
• an identification packet transmission unit for generating a first response packet in response to the first GET packet, and transmitting the first respose packet to the terminal wherein the first response packet includes the terminal identification value;
• a second packet analyzing unit for analyzing a second GET packet requesting an element of the web page;
• an element packet transmission unit for generating and transmitting a second response packet in response to the second GET packet;
• a data management unit for managing subscriber authentication data, an IP and URL, and the terminal identification value;
• and
• a terminal determination unit for determining terminals sharing a single line and a number of the terminals based on the terminal identification value.