name: UDR
full_form: Unified Data Repository
context: Service operation name: Nudr_DM_Subscribe. Description: NF service consumer performs the subscription to notification to data modified in the UDR. The events can be changes on existing data, addition of data. Inputs, Required: Data Set Identifier as defined in clause 5.2.12.2.1, Notification Target Address (+ Notification Correlation ID). Inputs, Optional: Target of Event Reporting as defined in clause 5.2.12.2.1, Data Subset Identifier(s) as defined in clause 5.2.12.2.1, Data Key(s), Subscription Correlation ID (in the case of modification of the event subscription). Outputs, Required: When the subscription is accepted: Subscription Correlation ID. Outputs, Optional: None.
description: The Unified Data Repository (UDR) is a network function that serves as a centralized data storage and management system within the 5G core architecture. It enables the efficient handling of subscription requests to notifications for data modifications, supporting various inputs such as Data Set Identifier, Notification Target Address, and optional parameters like Target of Event Reporting and Data Subset Identifier(s). The UDR plays a critical role in managing data changes, additions, and event subscriptions, ensuring that relevant network functions are notified accordingly.
explanation: UDR is classified as a Network Function because it acts as a key component in the 5G core architecture for managing and storing data, facilitating subscription requests to notifications for data modifications. This aligns with the 3GPP's specifications for efficient data management and event handling within the network.
section_title: 5.2.12.2.6 Nudr_DM_Subscribe service operation
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