The present document describes closed loop assurance solution enabling a service provider or an operator to continuously deliver the requested level of communication service quality to the customer and is part of a TS-family covering the 3rd Generation Partnership Project Technical Specification Group Services and System Aspects Management and orchestration of networks, as identified below:
Management Services for Communication Service Assurance; Requirements
Management Services for Communication Service Assurance; Stage 2 and stage 3
The solution described builds upon the management services specifications as identified below:
Management and orchestration; Concepts, use cases and requirements
Management and orchestration; Architecture framework
Management and orchestration; Generic management services
Management and orchestration; 5G Network Resource Model (NRM); Stage 1
Management and orchestration; 5G Network Resource Model (NRM); Stage 2 and stage 3
Management and orchestration; Provisioning
Management and orchestration; Fault Supervision (FS)
Management and orchestration; Performance assurance
Management and orchestration; 5G performance measurements
Management and orchestration; 5G End to end Key Performance Indicators (KPI)
The present document describes, concepts and background, and specifies use cases and requirements for closed loop communication service assurance solution that adjusts and optimizes the services provided by NG-RAN and 5GC.
The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
References are either specific (identified by date of publication, edition number, version number, etc.) or non specific.
For a specific reference, subsequent revisions do not apply.
For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
For the purposes of the present document, the terms given in TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.
subset of 3GPP defined services. Examples of 3GPP services (e.g. 5G LAN, URLLC) can be found in TS 22.261.
service level specification:
specification of the minimum acceptable standard of service.
service and network requirements derived from SLAs.
For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
Communication Service Assurance
Communication Service Customer
Communication Service Provider
enhanced Mobile BroadBand
Key Performance Indicator
Management Data Analytics Service
NetworkSlice Subnet Instance
Network Data Analytics Function
Quality of Experience
Service Level agreement
Service Level Specification
Single Network Slice Selection Assistance Information