Cisco ASR 5000 Series Administration Manual page 429

StarOS Tasks
Task Description
egtpemgrr Enhanced GPRS Tunneling
Protocol Egress Manager
egtpimgr Enhanced GPRS Tunneling
Protocol Ingress Manager
gtpcmgr GPRS Tunneling Protocol
Control (GTP-C) Message
Manager
Function
Created by the Session Controller for each context in which an egtp-service
of interface type sgw-egress or MME is configured.
Handles certain EGTP messages from SGW, PGW.
Maintains list of current EGTP sessions.
Maintains list of current Session Manager tasks which aids in session
recovery.
Handles GTP Echo messaging.
With session recovery (SR) enabled, this demux manager is usually
established on one of the CPUs on the first active packet processing card.
Created by Session Controller for each context in which an egtp-service
of interface type sgw-ingress or pgw-ingress is configured.
Receives EGTP sessions from MME/S4 SGSN/SGW and distributes them
to different Session Manager tasks for load balancing.
Maintains list of current EGTP sessions.
Maintains list of current Session Manager tasks which aids in session
recovery.
Handles GTP Echo messaging.
With session recovery (SR) enabled, this demux manager is usually
established on one of the CPUs on the first active packet processing card.
Created by the Session Controller for each context in which a GGSN
service is configured.
Receives the GTP sessions from the SGSN and distributes them to different
Session Manager tasks for load balancing.
Maintains a list of current Session Manager tasks to aid in system recovery.
Verifies validity of GTPC messages.
Maintains a list of current GTPC sessions.
Handles GTPC Echo messaging to/from SGSN.
ASR 5500 System Administration Guide, StarOS Release 21.4
Session Subsystem
397