Patent ID: 6871068

Claim:
A telecommunication network having at least one database of functions for controlling the network, said database comprising at least a data function and a data control function; characterised in that: the database is replicated a plurality of times, the database of one of said replicated databases is a primary database, the data control function of which is arranged to generate signals for synchronised updating of all of said replicated databases, at least a second database is a primary standby database, the data control function of which is arranged to generate signals for synchronised updating of all of said replicated databases in the event of a failure of said primary database, and at least one secondary database other than said primary database and said primary standby database, wherein the at least secondary database is arranged to signal to said primary and/or said primary standby database when it has been updated in response to the updating signals from said primary database or said primary standby database.