Duplexed processor system

Details Duplexed processor system Duplexed processor system

G - Physics

06

F

G06F 15/163 (2006.01) G06F 11/20 (2006.01) G06F 13/38 (2006.01)

Patent

CA 2423723

-27- A high-performance and miniaturizable duplexed processor system is provided. In communications between respective corresponding processor units on 0- and 1-system processor cards C0 and C1, a sequence number is added to transmission data to assess the continuity of the transmission data, and to thereby retransmit missing data. Also, in communications between processor units on the same processor card, interprocessor connection units PC0 and PC1 autonomously transfer data. Furthermore, each processor card is equipped with an input/output unit (an input/output switching unit and an input/output interface unit) , so that each input/output switching unit IC0 and IC1 switches input data paths according to operating states of the processor card equipped therewith.

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