Routers connecting LANs through public network

Details Routers connecting LANs through public network Routers connecting LANs through public network

1996-01-26

1998-09-01

Bowler, Alyssa H.

Multiplex communications

Wide area network

Packet switching

39520068, 39520072, 370351, H04L 1228, H04L 1266

Patent

active

058023160

ABSTRACT:
A router includes a routing table containing flags each representing a public-network side or a LAN side. A path for a received packet is determined such that the packet is forwarded to the next node through the LAN according to the next node address when the flag corresponding to the specified destination represents the LAN side, and the packet is forwarded to the next node through the public network according to the next node address when the flag represents the public network side. When a change of the routing information sets is monitored, the routing table is searched for the second router having the flag representing the public network side and then the changed routing information sets are transmitted to the second router.

REFERENCES:
patent: 5351237 (1994-09-01), Shinohara et al.
patent: 5459719 (1995-10-01), Hayashi
patent: 5495480 (1996-02-01), Yoshida
patent: 5517620 (1996-05-01), Hashimoto et al.
patent: 5530963 (1996-06-01), Moore et al.
patent: 5583996 (1996-12-01), Tsuchiya

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