The 5G Core Network is responsible for managing and allocating network resources, such as bandwidth, to ensure efficient and reliable communication between devices.

The Access and Mobility Management Function (AMF) is responsible for managing user authentication and authorization, as well as mobility management, such as handover between different cells.

The Session Management Function (SMF) is responsible for establishing and managing user sessions, including session setup, modification, and termination.

The Policy Control Function (PCF) is responsible for providing QoS and policy control, such as traffic prioritization and shaping, to ensure that network resources are used efficiently.

The User Plane Function (UPF) is responsible for providing connectivity between devices and the internet, as well as forwarding user data packets between the core network and the access network.

The Charging Function (CHF) is responsible for handling charging and billing, including the collection and processing of usage data and the generation of invoices.

The Network Repository Function (NRF) is responsible for storing and managing network information, such as the location of network elements and the capabilities of different network segments.

The Security Function (SEAF) is responsible for providing security and authentication services, such as encryption, integrity protection, and authentication.

The Unified Data Management (UDM) is responsible for storing and managing user data, such as subscriber profiles, service subscriptions, and usage history.

The Network Slice Selection Function (NSSF) is responsible for controlling and optimizing network traffic by selecting the most appropriate network slice for each user session.

The Authentication Server Function (AUSF) is responsible for providing security and authentication services, such as generating and verifying authentication tokens.

The Access and Mobility Management Function (AMF) is responsible for managing mobility between different cells, including handover and cell selection.

The Policy Control and Charging Rules Function (PCRF) is responsible for providing QoS and policy control, such as traffic prioritization and shaping, based on user profiles and service requirements.

The Network Slice Management Function (NSMF) is responsible for managing network slices, including the creation, modification, and deletion of slices, as well as the allocation of resources to each slice.

The Unified Data Repository (UDR) is responsible for storing and managing user data, such as subscriber profiles, service subscriptions, and usage history, in a centralized location.