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Open5GS - 开源5G核心网与EPC实现 (Release-17)
Open5GS is a C-language Open Source implementation for 5G Core and EPC, i.e. the core network of LTE/NR network (Release-17). This project provides a flexible and comprehensive open-source alternative for building and testing mobile core networks.
C
Added on 2025年6月21日2,097
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LanguageProject Introduction
Summary
Open5GS is an open-source reference implementation of the 3GPP Release-17 5G Core and Evolved Packet Core (EPC) in C language. It offers a robust and modular framework for researchers, developers, and organizations to build, experiment with, and deploy core network functions for LTE and 5G networks.
Problem Solved
Implementing and testing mobile core networks (5G and LTE) traditionally requires expensive proprietary software or complex setups. Open5GS provides an accessible, flexible, and open-source alternative for research, development, testing, and small-scale deployments, lowering barriers to entry and fostering innovation.
Core Features
Comprehensive Network Function Support
Supports key 5G Core Network Functions (AMF, SMF, UPF, AUSF, NSSF, UDM, PCF, NRF) and EPC Network Functions (MME, SGW, PGW, HSS, PCRF).
High-Performance C Implementation
Written primarily in C language for high performance and efficiency suitable for network processing.
Standards-Compliant Interfaces
Implements standard 3GPP interfaces (N1, N2, N3, N4, N6, N9, S1-AP, S11, S5/S8, SGi, S6a, Gx, Gy, Rx) allowing interoperability.
Modular Architecture
Designed with modular components, facilitating easier understanding, modification, and extension.
Tech Stack
C
MongoDB
Linux (various distributions)
libgtpnl
libopenflow
libmnl
libsctp
使用场景
Open5GS can be utilized in various scenarios where a flexible, open-source mobile core network is required:
场景一：互操作性与性能测试平台
Details
Deploying Open5GS in a lab environment to test the interoperability and performance of various gNB (base station) or UE (user equipment) implementations.
User Value
Provides a cost-effective and controllable environment for validating new hardware or software components in a mobile network.
场景二：构建私有LTE/5G网络
Details
Using Open5GS as the core network for a small-scale private LTE or 5G deployment within an enterprise, campus, or specific facility.
User Value
Enables customized network coverage and dedicated capacity for specific applications like industrial IoT, campus connectivity, or smart buildings.
场景三：电信研究与开发平台
Details
Leveraging the Open5GS codebase for research projects, simulations, or developing new features and protocols for mobile core networks.
User Value
Offers a real-world, modifiable implementation to experiment with network slicing, edge computing integration, or new security mechanisms.
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