Tech-invite3GPPspaceIETF RFCsSIP
Quick21222324252627282931323334353637384‑5x

Content for  TS 23.548  Word version:  17.0.0

Top   Top   None   None   Next
1…   4…

 

1  ScopeWord‑p. 6

The present document defines the Stage 2 specifications for enhancements of 5G System to support Edge Computing.

2  References

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.
[1]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
TS 23.501: "System architecture for the 5G System (5GS); Stage 2".
[3]
TS 23.502: "Procedures for the 5G System; Stage 2".
[4]
TS 23.503: "Policy and Charging Control Framework for the 5G System; Stage 2".
[5]
TS 23.558: "Architecture for enabling Edge Applications (EA)".
[6]
RFC 7871:  "Client Subnet in DNS Queries".
[7]
TS 24.301: "Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS); Stage 3".
[8]
TS 24.526: "User Equipment (UE) policies for 5G System (5GS); Stage 3".
[9]
TS 29.500: "Technical Realization of Service Based Architecture; Stage 3".
[10]
TS 23.288: "Architecture enhancements for 5G System (5GS) to support network data analytics services".
Up

3  Definitions of terms, symbols and abbreviations

3.1  Terms

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.
Up

3.2  AbbreviationsWord‑p. 7

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.
C-DNS
Central DNS
C-NEF
Central NEF
C-PSA UPF
Central PSA UPF
EAS
Edge Application Server
EASDF
Edge Application Server Discovery Function
EHE
Edge Hosting Environment
L-DN
Local part of DN
L-DNS
Local DNS
L-NEF
Local NEF
L-PSA UPF
Local PSA UPF
Up

Up   Top   ToC