A DCM/FCM manager detects the coincidence of modules by comparing a device control module and a device function module transferred from a DCM/FCM memory of other device with a content in the inside of a DCM/FCM memory of its own device. One of coincident modules is deleted and this deletion is stored...http://www.google.de/patents/US6694363?utm_source=gb-gplus-sharePatent US6694363 - Network equipment and networking method
