GTP–U and Charging Management Messages
|
Message Type
G-PDU
Node Alive Request/Respon |
Used
By |
Description |
|
GTP-C, GTP-U |
GPRS Packet data unit delivery message. |
|
|
se GTP-C, GTP-U |
Used to inform rest of network when a node starts service. |
|
|
Redirection Request/Re- sponse |
GTP-C, GTP-U |
Used to divert the flow of CDRs from the CDFs to another CGF when the sender is being removed, or they are used when the CGF has lost its connection to a downstream system. |
|
Data Record Transfer Request/Response |
GTP-C, GTP-U |
Used to reliably transport CDRs from the point of generation (SGSN/GGSN) to non-volatile storage in the CGF |
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