Integrated multiport switch having management information base (

Details Integrated multiport switch having management information base ( Integrated multiport switch having management information base (

1997-12-18

2000-10-10

Pham, Chi H.

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370252, 370470, 370422, H04L 1228

Patent

active

061308919

ABSTRACT:
An integrated multiport switch having an interface connected between the MAC of each port and a MIB report bus, whereby MIB reports for the plurality of switch ports are transmitted individually to a switch MIB engine, fed by the MIB report bus, on a time shared basis. The interface prioritizes transmission of the MIB reports to the MIB engine in accordance with the transmission characteristics associated with the respective ports. A FIFO storage buffer in interface temporarily holds MIB report data, received from lower priority ports on a time-slot allotted sequence synchronized to a clock signal, during periods in which MIB report data from higher priority ports are given preference for output to the MIB report bus.

REFERENCES:
patent: 5515376 (1996-05-01), Murthy et al.
patent: 5682552 (1997-10-01), Kuboki et al.
patent: 6002675 (1999-12-01), Ben-Michael et al.
Wright, M., "Network-switch ICs simplify design and slash per-port costs" EDN-Electrical Design News, vol. 40, No. 24, Nov. 23, 1995, pp. 53-56, 58 and 60, XP000546015.
Saunders, S., "An Ethernet Switch With a View", Data Communications, vol. 24, No. 4, Mar. 21, 1995, pp. 37-38, XP000502887.
Newman, D. et al., "Ethernet Switches: Quantity, Not Commodity", Data Communications, vol. 25, No. 15, Nov. 1996, pp. 85-94, 96 and 98, XP000639962.

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