Cisco Cisco Tunnel Terminating Gateway (TTG)
StarOS Tasks
▀ Subsystem Tasks
▄ ASR 5000 System Administration Guide, StarOS Release 17
390
Task
Description
Function
mmedemux
Mobility Management
Entity Demux Manager
Entity Demux Manager
Started as part of MME service creation procedure. There is only one mmedemux
in the chassis.
in the chassis.
Distributes incoming S1-MME SCTP connections to mmemgr tasks in the system.
Remains aware of all the active MME services in the system.
With session recovery (SR) enabled, this demux manager is usually established on
one of the CPUs on the first active packet processing card.
one of the CPUs on the first active packet processing card.
mmemgr
Mobility Management
Entity Manager
Entity Manager
Starts when an MME service configuration is detected. There can be multiple
instances of this task for load sharing. All mmemgrs will have all the Active MME
Services configured and will be identical in configuration and capabilities.
instances of this task for load sharing. All mmemgrs will have all the Active MME
Services configured and will be identical in configuration and capabilities.
Runs the SCTP protocol stack.
Handles the SCTP associations.
Maintains TA List.
Manage eNodeB databases.
Provides nodal functions for S1-MME protocol.
With session recovery (SR) enabled, this demux manager is usually established on
one of the CPUs on the first active packet processing card.
one of the CPUs on the first active packet processing card.
pccdemux
Policy and Charging
Control Bindmux
Manager
Control Bindmux
Manager
Started as part of PCC service creation procedure. There is only one instance of
BindMux MGR in the chassis.
BindMux MGR in the chassis.
Handles multiplexing of the sessions across the available pccmgrs along with the
session binding functions
session binding functions
Monitors load on pccmgrs.
Distributes incoming IP-CAN connections across pccmgrs in the system.
Performs session binding; binds IP-CAN/Gateway session with the AF-Session.
Ensures all messaging for an IMSI across various interfaces is directed towards the
selected pccmgr.
selected pccmgr.
Remains aware of all the active PCC services in the system.
With session recovery (SR) enabled, this demux manager is usually established on
one of the CPUs on the first active packet processing card.
one of the CPUs on the first active packet processing card.
pccmgr
Policy and Charging
Control Bindmux
Manager
Control Bindmux
Manager
pccmgr is part of a Session Manager instance.
Handles all PCRF service sessions.
Interfaces with PCC-Core while processing different events associated with
individual subscriber sessions.
individual subscriber sessions.
Maintains subscriber information while applying business logic.
Creates calline and corresponding APN session for each subscriber.