ATM switch in dual switch plane operation

Details ATM switch in dual switch plane operation ATM switch in dual switch plane operation

1994-07-14

1995-07-25

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 60, 370 601, H04L 122

Patent

active

054368863

ABSTRACT:
A novel ATM switch of dual switch plane operation and method of switching traffic in unit cells among ports in dual switch planes are disclosed. The ATM switch of the invention is plane protected in that a redundant switch plane is provided. In the switch, traffic cells are tagged either symmetric or asymmetric at an ingress port so that a destination port is able to properly gather correct cells even when switch planes develop faults or quality degradation.

REFERENCES:
patent: 5072440 (1991-12-01), Isono et al.
patent: 5103220 (1992-04-01), Brunle
patent: 5153578 (1992-10-01), Izawa et al.
patent: 5229990 (1993-07-01), Teraslinna
patent: 5274633 (1993-12-01), Kato et al.
patent: 5283782 (1994-02-01), Takase et al.
patent: 5285441 (1994-02-01), Bansal et al.
"The ATM Switch Concept and the ATM Pipe Switch" by M. Larsson et al, Ericsson Review, vol. 70, No. 1, pp. 12-20, Stockholm, Sweden, 1993.

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