The invention relates to a method for warming up a spare process in parallel with an active process in a replicated real-time switching system, in particular in a telephone exchange. The switching system comprises an active control unit (WP) having, permanently or when necessary, a replicating hot-standby...http://www.google.de/patents/US5963634?utm_source=gb-gplus-sharePatent US5963634 - Method for warming up a spare process in a replicated real-time system, in particular in a telephone exchange