Patent ID: 6363072
Filing Date: 2002-03-26
Classification: H04L

Abstract:
A communication control system including a route server and an ATM switch provided on an ATM network, and edge switches for connecting the ATM network and other IP sub-networks to control a connection between an arbitrary one of said edge switches and said ATM switch, whereinsaid route server comprising: information accumulation means for collecting and accumulating, from every said edge switches on said ATM network, an ATM address of the edge switch and information regarding said IP sub-network directly or indirectly reachable through the edge switch; and information processing means for generating a table putting relationships between said IP sub-network reachable and an ATM address of a device to be passed through for reaching the IP sub-network together by using information accumulated in said information accumulation means and transmitting the table to all said ATM network; said edge switch comprising: information notification means for notifying said route server of an ATM address of the device of its own and information regarding said IP sub-network directly or indirectly reachable through the device of its own; address search means for searching network addresses of a destination of a packet for an ATM address of a device to be passed through with reference to a table sent from said route server; and connection setting means for setting necessary connections including a switched virtual channel based on a search result obtained by said address search means.