Patent ID: 9385990
Filing Date: 2016-07-05
CPC Classification: H04L

Claim Text:
1. A relay server comprising: an address filter information storage unit configured to store a first routing target address and a second routing target address, the first routing target address being an address of a first routing target device that is located in a first LAN and to which the relay server is able to forward a packet, the second routing target address being an address of a second routing target device that is located in a second LAN and to which a second relay server is able to forward a packet; a virtual address assignment information storage unit configured to store a second routing target address in association with a virtual address assigned to the second routing target address; a VPN group information storage unit configured to store VPN group information that is information concerning a relay server that has been selected as a routing point; and a control unit programmed and configured to perform control to: