| 摘要 |
<p>A method is disclosed for subscriber tracing in a communications system. The method comprises receiving, in a gateway apparatus (GGSN, PGW) from an O&M unit, a command message for triggering a subscriber tracing functionality. The gateway apparatus (GGSN, PGW) instructs a network node to clone each packet having a certain IP address or TEID value, in order the network node to replicate each user plane packet belonging to a session to be monitored and to send the replicated packets directly to the O&M unit for further analysis. The gateway apparatus (GGSN, PGW) collects control plane data related to the session to be monitored, and transmits the collected control plane data directly to the O&M unit in order the collected control plane data to be correlated in the O&M unit to user plane data.</p> |
