Abstract: According to an embodiment of present invention server grouping device includes a packet collection module for collecting or capturing communication packets transceiving between at least one wireless terminals and servers; a pattern grouping module grouping the servers into one or more groups by analyzing the packets; a matching information detecting module for detecting, from the at least one wireless terminals, server matching information corresponding to a service or an application; and a server grouping module for matching the service or the application to each groups based on the server matching information.

Abstract: A system for operating network traffic reduction policy in an overloaded area includes a storage medium for storing policy agent identification information disposed at a wireless terminal apparatus in response to the wireless terminal apparatus identification information; a communication unit for receiving the wireless terminal apparatus identification information positioned at an overloaded area from a communication server; a confirmation unit for confirming the policy agent identification information disposed at the wireless terminal apparatus corresponding to the received wireless terminal apparatus identification information by the storage medium; and a processing unit for transmitting network usage cutoff policy information included with a timer for clearing network usage cutoff to policy agents corresponding to the policy agent identification information confirmed by the confirmation unit.

Abstract: Provided is a device and method for server grouping, and the device for server grouping includes a packet collection module for collecting or capturing communication packets for transceiving between at least one wireless terminals and servers, for mapping packet collection or capture time information with server address information, and for including domain names of the servers being transmitted with the packets in the server address information; and a pattern grouping module for identifying address information of the servers connected within predetermined time for each wireless terminal for the mapped packets according to the packet collection or capture time information, connecting the servers connected for each wireless terminal within predetermined time, counting the number of the wireless terminal corresponding to the connection between the servers, and grouping at least one servers connecting the servers having the number of the counted wireless terminal larger than the predetermined number into the gro

Abstract: A device for detecting periodicity includes a collection unit for collecting or capturing a plurality of packets for mutually transceiving between a plurality of wireless terminal and a plurality of servers through a communication network; a preprocessing unit for connecting the packets and packet collection or capture time information collected or captured by the collection unit to each wireless terminals IP and servers IP/PORT and mapping the connected them; a modeling processing unit for processing at least one data modeling and grouping for each packet generation patterns, for the mapped packets; a pattern detection unit for detecting similar data models within the margin of defined error as repetition generation pattern types by mutual lengths between a plurality of data models grouped for each packet generation pattern; and a periodicity detection unit for determining periodic section when the detected repetition generation pattern types are successively generated above n times and the sections successi