Acronyms

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

Table 1-1 Acronyms

Field	Description
AMF	Access and Mobility Management Function
NEF	Network Exposure Function
NF	Network Function
NRF	Network Repository Function
NSI ID	Network Slice Instance Identifier
NSSAI	Network Slice Selection Assistance Information
NSSF	Network Slice Selection Function
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 (e.g. compute, storage and networking resources) which form a deployed Network Slice
NF service	A functionality exposed by a NF through a service based interface and consumed by other authorized NFs.
NSSP	Network Slice Selection Policy
PLMN	Public Land Mobile Network
Requested NSSAI	NSSAI provided by the UE to the Serving PLMN during registration.
Allowed NSSAI	NSSAI provided by the Serving PLMN during e.g. a Registration procedure, indicating the S-NSSAIs values the UE could use in the Serving PLMN for the current registration area.
Configured NSSAI	NSSAI provisioned in the UE applicable to one or more PLMNs.
SEPP	Security Edge Protection Proxy
SST	Slice/Service type
SD	Slice Differentiator
S-NSSAI	Single Network Slice Selection Assistance Information