Patent ID: 9477559
Filing Date: 2016-10-25
CPC Classification: G06F

Claim Text:
1. A control device included in a sub-system of a plurality of sub-systems included in a fault tolerant system, the control device comprising: a packet reception unit that receives data from a processor unit included in the plurality of sub-systems, each of the sub-systems including: a processor unit operable in a lockstep synchronous state of the plurality of sub-systems and in a lockstep asynchronous state of the plurality of sub-systems, an input-output unit connected with the processor unit, and a signal transmission path connecting the plurality of sub-systems to one another through the control device, the signal transmission path including a plurality of signal transmission paths, the control device being connected between the processor unit and the input-output unit; and a transmission unit that transmits wherein the transmission unit performs control in which, when the processor unit is in the lockstep synchronous state,