для Cisco Cisco Packet Data Gateway (PDG)

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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. 
 
mmedemux
 
Mobility Management 
Entity Demux Manager 
 
Started as part of MME service creation procedure. There is only one mmedemux 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. 
 
mmemgr
 
Mobility Management 
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.
 
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.
 
pccdemux
 
Policy and Charging 
Control Bindmux 
Manager 
 
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
 
Policy and Charging 
Control Bindmux 
pccmgr is part of a Session Manager instance. 
 
Handles all PCRF service sessions.