Cisco Cisco Tunnel Terminating Gateway (TTG)
StarOS Tasks
▀ Subsystem Tasks
▄ VPC-VSM System Administration Guide, StarOS Release 19
318
Task
Description
Function
Handles nodal SS7, Iu, and Gb functionality.
Implements master linkmgr functionality for SS7 route status aggregation.
Implements master linkmgr functionality for RNC and BSC status aggregation.
With session recovery (SR) enabled, this demux manager is usually established on one
of the CPUs on the first active demux packet processing card.
of the CPUs on the first active demux packet processing card.
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.
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.
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.
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.
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.
of the CPUs on the first active packet processing card.
pccmgr
Policy and Charging
Control Bindmux
Control Bindmux
pccmgr is part of a Session Manager instance.
Handles all PCRF service sessions.