Cisco ASR 5500 Administration Manual page 361

StarOS Tasks
Task
hamgr
hnbdemux
hnbmgr
Description Function
Home Agent (HA) Created by the Session Controller for each context in which
Manager an HA service is configured.
Receives Mobile IP sessions from the Foreign Agents (FAs)
and distributes them to different Session Manager tasks.
Maintains a list of current Session Manager tasks that aids
in system recovery.
Functions as the DemuxMgr – handles all the PMIP signaling
packets.
Functions as the Demuxmgr for MIPv6/MIPv4 HA.
With session recovery (SR) enabled, this demux manager is
usually established on one of the CPUs on the first active
packet processing card.
Home NodeB (HNB) Started as part of HNB-GW service creation procedure. There
Demux Manager is only one hnbdemux in the chassis.
Distributes incoming Iuh connections to HNB Managers in
the system.
Remains aware of all the active HNB-GW 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.
Home NodeB (HNB) Starts when an HNB-GW service configuration is detected.
Manager There can be multiple instances of this task for load sharing.
All HNB Managers have all the Active HNB-GW Services
configured and be identical in configuration and capabilities.
Runs the SCTP protocol stack.
Handles the SCTP associations.
Maintains Home-NodeB databases.
Provides nodal functions for Iuh interface on SCTP protocol.
With session recovery (SR) enabled, this manager is usually
established on one of the CPUs on the first active packet
processing card.
ASR 5500 System Administration Guide, StarOS Release 19
Session Subsystem
333