US Patent 8943123 Server apparatus, network access method, and computer program

A server apparatus having a plurality of interfaces to each of which a network is connected, the server apparatus includes an application identification device for identifying an application program which is a source of a packet, on the basis of information in the packet, when the packet is sent to a network connected to any one of the plurality of interfaces, an interface designation device for designating one interface which is previously caused to correspond to an identified application program, among the plurality of interfaces, as a sending interface which is used in routing of the packet, and an routing device for sending the packet to a network connected to a designated interface.