Patent ID: 8605731
Filing Date: 2013-12-10
Classification: H04L,H04Q

Abstract:
1. A network system comprising: a network connection device having a plurality of ports; a network equipment connected to the network connection device via one of the plurality of ports; and a server connected to the network connection device, wherein the server includes a storage part for storing a first correspondence between a physical location of a connection destination of the port and an identifier of the port, and a second correspondence between a network address of the network equipment and an identifier of a user of the network equipment, wherein a plurality of the network equipments is registered for the one user; wherein the network connection device includes a storage part for storing a third correspondence between the identifier of the port, and the network address of the network equipment connected to the port, wherein the server receives the third correspondence from the network connection device and obtains a fourth correspondence between the physical location of the network equipment connected to the port and the identifier of a user of the network equipment, based on the first, second, and third correspondences, wherein the fourth correspondence includes a time information related to when the third correspondence including the network address of the network equipment is received, and the server identifies a last-used network equipment among said plurality of network equipments based on the time information of the fourth correspondence.