Ethernet cross point switch with reduced connections by...

Details Ethernet cross point switch with reduced connections by... Ethernet cross point switch with reduced connections by...

2005-09-20

2005-09-20

Phunkulh, Bob A. (Department: 2661)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S369000, C370S380000

Reexamination Certificate

active

06947439

ABSTRACT:
One embodiment of the present invention is an arrangement for establishing connectivity between the inputs and outputs of n ports in a switching system includes first and second matrices of cross points and a control circuit. The first matrix includes n×n cross points, each first matrix cross point establishing a unilateral path between two of the n ports. The second matrix includes n×n cross points, each second matrix cross point establishing a unilateral path between two of the n ports. The control circuit is associated with a first cross point of the first matrix and a complementary cross point of the second matrix, the first cross point operable to establish a unilateral path from a source port (i) to the destination port (j), the complementary cross point operable to establish a unilateral path from the destination port (j) to the source port (i).

REFERENCES:
patent: 5345447 (1994-09-01), Noel
patent: 5467347 (1995-11-01), Petersen
patent: 5475383 (1995-12-01), Ohta et al.
patent: 5621893 (1997-04-01), Joh
patent: 5682383 (1997-10-01), Dahod et al.
patent: 5784003 (1998-07-01), Dahlgren
patent: 6026095 (2000-02-01), Sherer et al.
patent: 6601085 (2003-07-01), Wertheimer et al.

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