2oo2. Double Module Redundance, dual modular redundancy. In the field of computerized systems in security, it is an architecture of two independent computers, connected in parallel and used for the same process, in which security is guaranteed by comparing the outputs of the same computers carried out by independent hardware. This architecture generally comprises two pairs of two processors, in which one pair is the reserve of the other; this is necessary to have the continuity of the mission by the system
Link... for your business