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| 5gc_smf [2025/03/29 14:03] – created kkaragoz | 5gc_smf [2025/03/29 14:05] (current) – kkaragoz | ||
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| SMF is a critical 5G core component that performs a fundamental role in the 5G Service-Based Architecture (SBA). The SMF is primarily responsible for interacting with the decoupled data plane, creating, updating, and removing Protocol Data Unit (PDU) sessions and managing session context with User Plane Function (UPF). | SMF is a critical 5G core component that performs a fundamental role in the 5G Service-Based Architecture (SBA). The SMF is primarily responsible for interacting with the decoupled data plane, creating, updating, and removing Protocol Data Unit (PDU) sessions and managing session context with User Plane Function (UPF). | ||
| - | The most fundamental function of SMF is PDU session management and you can take all other functions as subsidiary functions to better manage | + | The most fundamental function of SMF is PDU session management and you can take all other functions as subsidiary functions to better manage PDU s ession. |
| - | PDU s | + | |
| - | ession. | + | |
| - | SMF Functionalities [[https://www.sharetechnote.com/ | + | ==== Quick Review: ==== |
| + | |||
| + | Types of SMF: | ||
| + | |||
| + | * Centralized SMF: Manages sessions for multiple UPFs, providing a centralized point of control. | ||
| + | |||
| + | * Distributed SMF: A distributed SMF is co-located with the UPF, providing a decentralized point of control and reducing latency. | ||
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| + | Key Functions: | ||
| + | |||
| + | * Session establishment | ||
| + | * Session modification | ||
| + | * Session release | ||
| + | * QoS Management | ||
| + | * Charging and Billing | ||
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| + | SMF Procedures: | ||
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| + | * Session Establishment Procedure | ||
| + | * Session Modification Procedure | ||
| + | * Session Release Procedure | ||
| + | * QoS Management Procedure | ||
| + | |||
| + | In summary SMF plays a vital role and provide high-quality user experience, efficient resource allocation, and accurate billing. | ||
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| + | ==== SMF Functionalities | ||
| * PDU Session Establishment | * PDU Session Establishment | ||