Cisco Cisco ASR 5000
S4-SGSN Suspend-Resume Feature
▀ How it Works
▄ SGSN Administration Guide, StarOS Release 18
Intra-SGSN Suspend Procedure with Resume as the Subsequent Procedure
The intra-SGSN Suspend procedure with Resume as the subsequent procedure is illustrated in the following diagram.
When a 2G SGSN receives a Suspend Request from the BSS and if the subscriber is already attached to the 2G
SGSN, the PDPs shall be suspended. The SGSN then sends a Suspend Notification to the SGW, which
subsequently is sent to the PGW to stop all data transmissions on non-GBR bearers.
subsequently is sent to the PGW to stop all data transmissions on non-GBR bearers.
When a 2G SGSN receives a Resume Request from the BSS, and if the subscriber that is already suspended is
attached to the 2G SGSN, the PDPs are resumed. The SGSN then sends a Resume Notification to the SGW,
which subsequently is sent to the PGW to resume all data transmissions on non-GBR bearers.
which subsequently is sent to the PGW to resume all data transmissions on non-GBR bearers.