24.1 Migration preparation This section describes the tasks to be performed before the broker component migration. Figure 24-1 illustrates the AIX broker V5.0 scenario before and after migration. Before the migration After the migration AIX User Name Server V5.0 Server Broker V5.0 Broker BKA1 AIX User Name Server V6.0 Server Broker V6.0 Broker BKA1 Broker V5.0 Broker V2.1 BKA2 BKW2 Configuration Manager V6.0 ConfigMgr Broker V5.0 Broker V2.1 BKA2 BKW2 WebSphere MQ DB2 WebSphere MQ DB2