Acronyms

The following table provides information about the acronyms and the terminology used in the document.

Table - Acronyms

Term Definition
3GPP 3rd Generation Partnership Project
5G-AN 5G Access Network
5GC 5G Core Network
5G System 3GPP system consisting of 5G Access Network (AN), 5G Core Network and UE
AMF Access and Mobility Management Function
API Gateway Application that sits in front of an application programming interface (API) and acts as a single point of entry for a defined group of micro services.
CBCF Cell Broadcast Center Function
CNE Cloud Native Environment
CDS Cache data Service. Caching Microservice which is responsible for syncing and caching the data.
Dimension Dimension is a tag of Metric filter. For Example, "ocnrf_nfRegister_rx_requests_total {{ OriginatorNfType }} {{NrfLevel }} {{NfInstanceId }}"

In the example above, OriginatorNfType, NrfLevel, and NfInstanceId are dimensions.

DNS Domain Name System
DRA Diameter Routing Agent
FQDN Fully Qualified Domain Name
ICSCF Interrogating Call Session Control Function
IMS_AS IP Multimedia Subsystem Application Server
K8s Kubernetes
KPI Key Performance Indicator
MME Mobility Management Entity
MMI Machine Machine Interface
MPS Messages Per Second
NDB Network Database
NF Network Function
NSSAAF Network Slice-Specific Authentication and Authorization Function
Network Function A functional building block within a network infrastructure, which has well defined external interfaces and well defined functional behavior. In practical terms, a network function is often a network node or physical appliance.
Network Slice A logical network that provides specific network capabilities and network characteristics.
Network Slice instance A set of Network Function instances and the required resources (For Example, compute, storage, and networking resources) which form a deployed Network Slice.
NF Consumer A generic way to refer to an NF which consumes services provided by another NF. For Example: An AMF acts as a Consumer NF that consumes AMPolicy services provided by the PCF.
NF Instance A specific instance of a network function type.
NF Producer or NF Provider A generic way to refer to an NF which provides services that can be consumed by another NF. For Example: A PCF acts as a Producer NF that provides AMPolicy Services to the AMF.
NRF Network Repository Function or Network Function Repository Function
PCF Policy Control Function
PLMN Public Land Mobile Network
Resiliency The ability of the NFV framework to limit disruption and return to normal or at a minimum acceptable service delivery level in the fame of a fault, failure, or an event that disrupts normal operation.
SCP Service Communication Proxy
SCEF Service Capability Exposure Function
SCSAS Security Assurance Specification
SEPP Security Edge Protection Proxy
SLF Subscriber Location Function
SMF Session Management Function
SOR_AF Steering of Roaming Application Function
SPAF Service Provider Application Function
URI Uniform Resource Identifier
UCMF UE Capability Management Function