Internetworking router

Details Internetworking router Internetworking router

1997-09-10

2000-08-08

Kizou, Hassan

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370255, 370353, 370397, 709220, H04L 1228, H04L 1266, H04L 1256

Patent

active

061011886

ABSTRACT:
The object of the present invention is to accommodate physical segments of LANs into a switching hub substituting them for virtual LANs without modifying software of terminals or setting of the terminal and provide a routing function of the third layer without deteriorating the degree of freedom in virtual LAN setting of the switching hub. The internetworking router of the present invention includes LAN controlling means 1, packet memory 2, bridge processing means 3, table memory 4, routing processing means 5, table memory 6, free buffer queue 7, reception buffer queue 8 and transmission buffer queue 9 between LAN controlling means 1 and bridge processing means 3, and reception buffer queue 10 and transmission buffer queue 11 between bridge processing means 3 and routing processing means 5. Table memory 4 includes bridge group table 41 and address learning tables 42.sub.1 to 42.sub.n. Table memory 6 includes routing table 61 and ARP table 62.

REFERENCES:
patent: 5088090 (1992-02-01), Yacoby
patent: 5151897 (1992-09-01), Suzuki
patent: 5790541 (1998-08-01), Patrick et al.
patent: 5933412 (1999-08-01), Choudhury et al.
"Virtual LANs Get Real Ethernet Switch Makers Are Taking The Lead in Deploying Virtual LANs Across Campus Networks", Mar. 1995, vol. 24, No. 3, pp. 87-92, 94,96,98 and 100, Data Communications, New York, US.
"Information technology--Telecommunications and information exchange between systems--Local area networks--Media access control (MAC) bridges"--International StandardISO/IEC 10038 : ANSI/IEEE Std 802.1D, 1993 edition, pp. 17-179.

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