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
Central DNS resolver/server:
A DNS resolver/server centrally deployed by the 5GC operator or 3rd party and is responsible for resolving the UE DNS queries into suitable Edge Application Server (EAS) IP address(es).
Edge Application Server:
An Application Server resident in the Edge Hosting Environment.
Edge Hosting Environment:
An environment providing support required for Edge Application Server's execution.
Local part of DN:
The set of network entities of a DN that are deployed locally. The local access to the DN provides access to the local part of DN.
Local DNS resolver/server:
A DNS resolver/server that may be locally deployed by 5GC operator or 3rd parties within the Local DN, and is responsible for resolving UE DNS queries into suitable EAS IP address(es) within the local DN. The L-DNS resolvers/servers may or may not have connectivity with C-DNS depending on the deployment.
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
Central PSA UPF
Edge Application Server
Edge Application Server Discovery Function
Edge Hosting Environment
Local part of DN
Local PSA UPF