name: EDN
full_form: Edge Data Network
context: Figure 6.22.2-1: Authorization during the EDN relocation Pre-requisite: - The S-EDN stores the signing key used for token computation. And the T-EDN stores the verification key used for token verification. The two keys could be pre-configured or shared by the same service application or DN-AAA. - The T-EDN trusts that the UE has already been authorized by the S-EDN, if the token including the UE ID, the IDs of S-EDN and T-EDN provided by the S-EDN is successfully verified. Step 1. UE sends the Registration request to the AMF and registers in the network. Step 2. UE initiates the PDU session1 establishment procedure. It is assumed that secondary authentication is performed during the PDU session establishment procedure. Step 3. SMF detects that EDN relocation is required, and determines the T-EDN info. NOTE 1: Void NOTE 2: EDN relocation detection and T-EDN info determination will be decided in the TR 23.748 [3], and are out of scope of the present document. Step 4. SMF selects the
description: The Edge Data Network (EDN) is a network entity that processes and stores data at the edge of the network, closer to user equipment (UE). It handles authorization and relocation procedures.
explanation: EDN is classified as a Network because it facilitates data handling and participates in network functions like authorization and relocation, as stated in the provided context.
section_title: 6.22.2	Solution details
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