What's New in This Guide

This section introduces the documentation updates for release 23.4.x.

Release 23.4.9 - F85046-13, February 2025

There are no updates for this release.

Release 23.4.8 - F85046-12, November 2024

There are no updates for this release.

Release 23.4.7 - F85046-11, October 2024

Updated IMS Emergency Session Support with the service configuration of PCF Policy Authorization service.

Release 23.4.6 - F85046-10, September 2024

There are no updates for this release.

Release 23.4.5 - F85046-09, August 2024

• Added Support for DNN Exclusion section to describe the DNN exclusion functionality for communication from SM service with Binding service, Bulwark service, and PDS.
• Updated PCF Session Management with the details of the following advanced setting keys:
  • USER.allDataTypes.excludeDnns
  • BINDING.excludeDnns
  • BULWARK.excludeDnns

Release 23.4.4 - F85046-08, July 2024

There are no updates for this release.

Release 23.4.3 - F85046-07, April 2024

There are no updates for this release.

Release 23.4.2 - F85046-06, March 2024

There are no updates for this release.

Release 23.4.0 - F85046-05, March 2024

Updated Migrating Subscribers from OCPM to PCRF Deployment section under Usage Monitoring on Gx Interface to add details on

• Migrating Subscribers from OCUDR to CnUDR
• Diverting the Sh Traffic from OCPM to CnUDR
• Configuring CnPCRF to fetch the data from CnUDR

Release 23.4.1 - F85046-04, February 2024

There are no updates for this release.

Release 23.4.0 - F85046-03, February 2024

• Updated Stale Session Handling section with details of handling stale Sd sessions.
• Updated Load Shedding through Admission Control in PCRF-Core section with diameter_outstanding_msg_count metric information.

Release 23.4.0 - F85046-01, December 2023

• Made the following updates in the UE Policy Enhancements feature:
  • Updated the feature description with support for Policy evaluation on AMF Notification on N1Notify and N1N2NotifyFailure in UE Policy Enhancements section.
  • Added the metric n1_message_policy_evaluation metric in UE Service Metrics section.
• Made the following updates in the UE Policy Enhancements feature:
  • Updated the feature description with N1 Message Retransmission Settings error details in UE Policy Enhancements section.
  • Updated the CNC Console N1 Message Retransmission Settings group fields On T 3501 Timer Expiry, On Transaction Failure Notification, and On UE Policy Command Reject in PCF UE Policy Service page with following new error fields:
    • Action
    • Max Number of Re-transmissions
    • Re-transmission Failure Behavior

    For more information, see PCF UE Policy section.

• Made the following updates in the Supports UDR Discovery using Group Id feature:
  • Added the feature description in Supports UDR Discovery Using Group Id section.
  • Added the following metrics in UDR Metrics section:
    • ocpm_nfDiscovery_request_total
    • ocpm_nfDiscovery_response_total
    • occnp_group_id_list_discovery_header_sent
• Made the following updates in the Diameter Session Retry feature:
  • The feature is enhanced to support:
    • Multiple retries to send failed diameter messages
    • Peer cycle back retry
    • Default error handling configurations
    • Handling error based on originator peer
  • Updated the Error Configurations page Advanced Settings in the CNC Console with following fields:
    • DIAMETER.ErrorHandler.MaxRetryCount.Rx.RAR
    • DIAMETER.ErrorHandler.CycleBackRetry.Rx.RAR
    • DIAMETER.ErrorHandler.MaxRetryCount.Rx.ASR
    • DIAMETER.ErrorHandler.CycleBackRetry.Rx.ASR
  • The following new alerts are added:
    • RAA_RX_FAIL_COUNT_EXCEEDS_CRITICAL_THRESHOLD
    • RAA_RX_FAIL_COUNT_EXCEEDS_MAJOR_THRESHOLD
    • RAA_RX_FAIL_COUNT_EXCEEDS_MINOR_THRESHOLD
    • ASA_RX_FAIL_COUNT_EXCEEDS_CRITICAL_THRESHOLD
    • ASA_RX_FAIL_COUNT_EXCEEDS_MAJOR_THRESHOLD
    • ASA_RX_FAIL_COUNT_EXCEEDS_MINOR_THRESHOLD

• Made the following updates for new Bulwark Pod Congestion Control feature:
  • Added the feature description in Bulwark Pod Congestion Control section.
  • Added the CNC Console Configurations details at Bulwark Pod Congestion Control section.
  • Updated the SM service Advanced Settings in the CNC Console with following fields:
    • USE_TGPP_SBI_MSG_PRIORITY
    • REQUEST_PRIORITY_FOR_SM_DELETE
    • REQUEST_PRIORITY_FOR_SM_UPDATE
    • REQUEST_PRIORITY_FOR_SM_UPDATE_NOTIFY
    • REQUEST_PRIORITY_FOR_SM_CLEANUP
    • REQUEST_PRIORITY_FOR_SM_CREATE

    For more information, see PCF Session Management section.

• Added Support for Listing and Comparing UPSIs Received from UDR to describe Policy blockly support for various UE Policy conditions and actions.
• Removed the STAFailCountExceedsThreshold alert.
• Updated details of Remote Subscriber State Variable in UDR as a PATCH request in Remote Subscriber State Variable.
• Added details of UPDATE_SSV_DATASOURCE_INFO_ON_CHANGE to PDS Settings.
• Updated Overload Control and Overload Control- Diameter sections with details of the enhanced discard policy with option to discard diameter sessions based on both priority and priority percentage.
• Updated Load Shedding Profiles with configuration details to discard diameter sessions based on priority and priority percentage.
• Added RAA Error Code Handling section to describe RAA error code handling.
• Updated Error Configurations section with error configuration details of PA service.
• Added the following metrics in SM Service Metrics section:
  • error_handler_in_total
  • error_handler_exec_total
  • error_handler_out_total
• Added the following Timer metrics to various Policy services:
  • occnp_binding_service_overall_processing_time and occnp_bindingservice_db_operation_time in Binding Service Metrics section.
  • occnp_policy_userservice_overall_processing_time in User Service Metrics section.
  • occnp_pcf_smservice_overall_processing_time in SM Service Metrics section.
  • occnp_diam_connector_overall_processing_time in Diameter Connector Service Metrics section.
  • occnp_policyds_overall_processing_time in Policy DS Metrics section.
  • occnp_config_server_overall_processing_time and occnp_config_server_db_operation_time in Config Server Metrics section.
• Added details of network policies for Policy deployment in Network Policies.
• Updated Support for Resource Allocation for PCC Rules section with details when SM create contains flow status set as 'removed' for any of the media components.
• Added details of handling race condition between Gx and Sy sessions over two sites in Handling Race Condition Between Gx and Sy Sessions in two sites.
• Added details of USER.ocsSpendingLimit.resetContextOnGxCreate key to PCRF Core Settings.
• Added the details support for SUPI based NRF discovery optimization and response caching from UDR feature in Support for SUPI based NRF Discovery Optimization and Response Caching from UDR.
• Updated the PCF User Connector section with the following Advanced Settings to enable and configure the support for SUPI based NRF discovery optimization and response caching from UDR feature:
  • UDR_NF_PROFILE_COOKIE_ENABLED
  • UDR_NF_PROFILE_COOKIE_COMPRESS
  • UDR_NF_PROFILE_COOKIE_LIMIT
  • UDR_GET_USE_RELATED_RESOURCE
• Updated PDS Settings section with the following Advanced Settings to enable and configure the support for SUPI based NRF discovery optimization and response caching from UDR feature:
  • UDR_FETCH_RELATED_RESOURCE
  • UPDATE_SSV_DATASOURCE_INFO_ON_CHANGE
• Updated the Policy DS Metrics support for SUPI based NRF discovery optimization and response caching from UDR feature:
  • occnp_nf_cookie_forwarded_total
  • occnp_nf_cookie_recieved_total
• Updated the User Service Metrics support for SUPI based NRF discovery optimization and response caching from UDR feature:
  • occnp_udr_nf_cookie_enabled_total
  • occnp_udr_use_related_resource
• Added the following details for non-SUPI based on-demand discovery caching feature:
  • Added feature description in Support for Non-SUPI based On-Demand Discovery Caching of NF Profiles.
  • Added the following fields for On Demand Discovery Caching in NRF Agent:
    • Enable Caching
    • Query Parameters
    • Retention Period (in ms)
    • Refresh Before Expiry Time (in ms)
    • Cached entry limit
    • Auditor Scheduler Interval (in ms)
    • Auditor Purge Percentage
  • Added the following fields for On-Demand Discovery Caching in NF Communication Profiles:
    • Force Discovery
    • Retention Period (in ms)
  • The following metrics are added to NRF Client Metrics:
    • nrfclient.discovery.cache.support.force.discovery
    • nrfclient.discovery.cache.support.cache.hit
    • nrfclient.discovery.cache.support.about.to.expire
    • nrfclient.discovery.cache.support.expired
    • nrfclient.discovery.cache.support.failover
    • nrfclient.discovery.cache.support.non.cache
    • nrfclient.discovery.cache.support.empty.response
    • nrfclient.discovery.cache.support.cache.lookup
    • nrfclient.discovery.cache.support.backend.response
    • nrfclient.discovery.cache.support.backend.response
    • discovery.cache.support.profiles.per.response
• Added Support for Concurrency Handling using Bulwark Service in AM section to describe concurrenct handling using bulwark service in AM.
• Added Support for Concurrency Handling using Bulwark Service in UE section to describe concurrenct handling using bulwark service in UE.
• Updated the PCF Access and Mobility and PCF UE Policy Service sections with the following keys in the Advanced Settings to configure concurrency handling for AM and UE service, respectively:
  • CONCURRENCY.BULWARK_SERVICE_ENABLED
  • CONCURRENCY.N15.CREATE.ENABLED
  • CONCURRENCY.N15.CREATE.LOCK_LEASE_DURATION
  • CONCURRENCY.N15.CREATE.LOCK_WAIT_DURATION
  • CONCURRENCY.N15.CREATE.LOCK_REQUEST_RETRY_COUNT
  • CONCURRENCY.N15.CREATE.LOCK_REQUEST_RETRY_BACKOFF
  • CONCURRENCY.N15.TERMINATE.ENABLED
  • CONCURRENCY.N15.TERMINATE.LOCK_LEASE_DURATION
  • CONCURRENCY.N15.TERMINATE.LOCK_REQUEST_RETRY_BACKOFF
  • CONCURRENCY.N15.TERMINATE.LOCK_REQUEST_RETRY_COUNT
  • CONCURRENCY.N15.TERMINATE.LOCK_WAIT_DURATION
  • CONCURRENCY.N15.UPDATE.ENABLED
  • CONCURRENCY.N15.UPDATE.LOCK_LEASE_DURATION
  • CONCURRENCY.N15.UPDATE.LOCK_REQUEST_RETRY_BACKOFF
  • CONCURRENCY.N15.UPDATE.LOCK_REQUEST_RETRY_COUNT
  • CONCURRENCY.N15.UPDATE.LOCK_WAIT_DURATION
  • CONCURRENCY.N15.UPDATE_NOTIFY.ENABLED
  • CONCURRENCY.N15.UPDATE_NOTIFY.LOCK_LEASE_DURATION
  • CONCURRENCY.N15.UPDATE_NOTIFY.LOCK_REQUEST_RETRY_BACKOFF
  • CONCURRENCY.N15.UPDATE_NOTIFY.LOCK_REQUEST_RETRY_COUNT
  • CONCURRENCY.N15.UPDATE_NOTIFY.LOCK_WAIT_DURATION
  • RESOURCEID.SUFFIXLIST
• Added details of the updates to Usage Monitoring on Gx Interface feature in the following sections:
  • Updated the Usage Monitoring on Gx Interface section with the details of the following:
    • Support for flexible billing day change
    • Usage monitoring support at PCC rule level
    • Pro-Rating of Monthly quota
    • Quota Policy conditions
    • Pass modification
    • Pass deletion
    • Top-up modification
    • Top-up deletion
    • Migration of subscribers from OCPM to CnPCRF deployment
    • Support for data compression on Usage Monitoring database
  • Updated Configuring Usage Monitoring with the details of the following parameters:
    • Enable Quota Migration
    • Enable Pro-rated Data at The Time of Activation
    • Enable Pro-rated Data at The Time of Billing Day Change
    • Apply Billing Day / Data Plan Change
    • Data Compression Scheme
  • Updated Data Limit Profiles section with the details of the following parameters:
    • Monitoring Key
    • Validity Duration
• Added Wi-Fi Support using RAT-Type AVPs to explain support for Wi-Fi (WLAN) and voice over Wi-Fi using RAT-Type AVPs.
• Added details of PCRF Core service to Subscriber State Variables in Policy and Local Subscriber State Variable.