Switch system employing a N:M switch circuit for routing packets

Details Switch system employing a N:M switch circuit for routing packets Switch system employing a N:M switch circuit for routing packets

1997-03-05

1999-08-03

Olms, Douglas W.

Multiplex communications

Pathfinding or routing

Through a circuit switch

370392, 370419, 370415, 370446, 395311, H04L 1250, H04Q 1100

Patent

active

059334274

ABSTRACT:
It is disclosed hereby that a switch system comprises a N:M switch circuit, a plurality of layer 2 switches, each comprising a plurality of packet processing channels, and a plurality of network interfaces, each comprising a fixed number of pairs of ports to be directly connected to the same number of devices. The N:M switch is coupled with the N number of the packet processing channels of the layer 2 switches at the N-side and with the M number of the ports of the network interfaces at the M-side. When a packet containing a destination to a receiving device sent by a sending device arrives at the network interface, the N:M switch establishes an electronic connection between an available packet processing channel and a port to which the sending device is connected, the packet passes through to the packet processing channel in which the packet is processed and stored. The N:M switch establishes another connection between the packet processing channel and a new port of the network interface to which the receiving device is connected to, thereby the stored packet passes through to the receiving device to finish a transmission of the packet between the sending device and the receiving device.

REFERENCES:
patent: 5319644 (1994-06-01), Chao-Yuliang
patent: 5440547 (1995-08-01), Easki et al.
patent: 5568300 (1996-10-01), Ishibashi
patent: 5757795 (1998-05-01), Schnell
patent: 5790546 (1998-08-01), Dobbins et al.

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