Cisco ASR 5500 System Administration Manual page 356

Session Subsystem
Task Description
mmemgr Mobility Management Entity
Manager
pccdemux Policy and Charging Control
Bindmux Manager
pccmgr Policy and Charging Control
Bindmux Manager
ASR 5500 System Administration Guide, StarOS Release 21.5
330
Function
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.
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.
Started as part of PCC service creation procedure. There is only one
instance of BindMux MGR in the chassis.
Handles multiplexing of the sessions across the available pccmgrs along
with the 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.
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.
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.
Maintains subscriber information while applying business logic.
Creates calline and corresponding APN session for each subscriber.
StarOS Tasks