Multiple address security architecture

Details Multiple address security architecture Multiple address security architecture

1995-06-02

1997-06-17

Chin, Wellington

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370501, 380 49, H04L 900, H04L 1222

Patent

active

056403933

ABSTRACT:
A secure repeater implementing data packet masking includes a programmable and selective, on a per port basis, disrupt response responsive to any of several selectable qualifying conditions. A disrupt controller receives signals indicating various characteristics of fields of a data packet, and other conditions. A register bank includes a plurality of memories, one associated with each port and some of the conditions, assists the disrupt controller to determine the associated port's disrupt response to the data packet. Each memory stores a disrupt control code. When the disrupt control code for a particular port has a value indicating that the associated port is enabled, deassertion of a condition signal associated with that control code results in disruption of a data packet. A cell array permits simple, efficient scaling and formation of integrated semiconductor structures to implement complex disrupt logic equations.

REFERENCES:
patent: 5177788 (1993-01-01), Schanning et al.
patent: 5265123 (1993-11-01), Vijeh et al.
patent: 5353353 (1994-10-01), Vijeh et al.

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