Cisco Cisco Packet Data Interworking Function (PDIF)
ECS Changes in Release 17
▀ ECS Enhancements for 17.0
▄ Release Change Reference, StarOS Release 17
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Feature Changes
Support for Configurable Micro Checkpoint Sync-up Timer
Micro Checkpoint Sync-up timer is an internal timer utilized by Rf and Gy modules to check point corresponding
billing information.
billing information.
Previous Behavior: Earlier, micro checkpoint sync-up timer was not configurable and was hardcoded with a value of
18 seconds for ICSR and 8 seconds for Session Recovery (SR).
18 seconds for ICSR and 8 seconds for Session Recovery (SR).
New Behavior: This enhancement reduces this timer value to ensure the accurate billing information during the ICSR
switchover event. Micro Checkpoint Sync-up timer is now made configurable with an expectation that it be set at a
value as low as 4 seconds.
switchover event. Micro Checkpoint Sync-up timer is now made configurable with an expectation that it be set at a
value as low as 4 seconds.
Customer Impact: This provides the operator with the flexibility to provision timer for accurate billing information in
case of session recovery or ICSR switchover. However, this is a performance impacting feature and the impact of the
micro checkpoint sync timer reduction needs to be carefully considered by the operator before provisioning a lower
value.
case of session recovery or ICSR switchover. However, this is a performance impacting feature and the impact of the
micro checkpoint sync timer reduction needs to be carefully considered by the operator before provisioning a lower
value.
Command Changes
check-point accounting sync-timer
This is a new command at service level to configure the micro checkpoint sync-up timer to as low as 4 seconds and max
60 seconds.
60 seconds.
configure
require active-charging
active-charging service service_name
check-point accounting sync-timer { icsr | sr } timer_value [ sr | icsr ]
timer_value
timer_value
no check-point accounting sync-timer { icsr | sr }
end
Notes:
sr
: Micro check-pointing for Session Recovery (SR)
icsr
: Micro check-pointing for ICSR
timer_value
: Time configured will be in multiples of 2 seconds. The default timer value will be 18 seconds.
Note that the timer value less than 4 seconds and greater than 60 seconds will not be accepted.
check-point accounting sync-timer
This is a new command at rulebase level to configure the micro checkpoint sync-up timer to as low as 4 seconds and
max 60 seconds.
max 60 seconds.
configure
require active-charging