Cisco ASR 5500 System Administration Manual page 349

StarOS Tasks
Task Description
a11mgr A11 Manager
aaamgr Authorization, Authentication,
and Accounting (AAA)
Manager
aaaproxy Authorization, Authentication,
and Accounting (AAA) Proxy
Manager
Function
Created by the Session Controller for each context in which a PDSN service
is configured.
Receives the R-P sessions from the PCF and distributes them to different
Session Manager tasks for load balancing.
Maintains a list of current Session Manager tasks to aid in system recovery.
The A11 Manager task is also known as the Signaling De-multiplexing
task (SDT).
With session recovery (SR) enabled, this demux manager is usually
established on one of the CPUs on the first active packet processing card.
Paired with Session Managers.
Performs all AAA protocol operations and functions for subscribers and
administrative users within the system.
Acts as a AAA client to AAA servers.
Manages GTP Prime (GTP') messaging with charging gateway functions
(CGFs).
Multiple AAA Managers can run on a single CPU and/or can be distributed
throughout any CPU present in the system.
AAA operations for the CLI are done through a AAA Manager running
on the active management card.
Starts whenever the Global Configuration mode gtpp single-source
command is configured.
When GTPP single-sourcing is enabled, aaaproxy generates requests to
the accounting server using a single UDP source port number, instead of
having each AAA Manager generate independent requests with unique
UDP source port numbers.
Runs on a demux card when session recovery is enabled. If session
recovery is not enabled, the Global Configuration mode require demux
card command starts aaaproxy on the designated demux card.
Writes CDRs to a file in its VRAM-disk. The enqueued CDRs are then
periodically synchronized with a HDD for transfer.
ASR 5500 System Administration Guide, StarOS Release 21.5
Session Subsystem
323