GEFAZ mbH is developing software since 1992 and has over 25 years of experience within this area. The most important industrial sectors for GEFAZ are: “automation technology” and “medical technology”. GEFAZ also executes unit-, system- and integration tests for the mentioned industrial sectors. As an own product GEFAZ develops an intelligent software solution for PC and embedded platforms which helps to create redundant, high available automation technology solutions. Because of duplicated CPUs and redundant periphery a failure of a steering component can be compensated. This leads to the fact that the process can be continued, production downtimes can be avoided.