5GC-Bench: A Framework for Stress-Testing and Benchmarking 5G Core VNFs
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866916963552329728 |
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| author | Panitsas, Ioannis Atalay, Tolga O. Stojadinovic, Dragoslav Stavrou, Angelos Tassiulas, Leandros |
| author_facet | Panitsas, Ioannis Atalay, Tolga O. Stojadinovic, Dragoslav Stavrou, Angelos Tassiulas, Leandros |
| contents | The disaggregated, cloud-native design of the 5G Core (5GC) enables flexibility and scalability but introduces significant challenges. Control-plane procedures involve complex interactions across multiple Virtual Network Functions (VNFs), while the user plane must sustain diverse and resource-intensive traffic. Existing tools often benchmark these dimensions in isolation, rely on synthetic workloads, or lack visibility into fine-grained resource usage. This paper presents 5GC-Bench, a modular framework for stress-testing the 5GC under realistic workloads. 5GC-Bench jointly emulates signaling and service traffic, supporting both VNF profiling and end-to-end service-chain analysis. By characterizing bottlenecks and resource demands, it provides actionable insights for capacity planning and performance optimization. We integrated 5GC-Bench with the OpenAirInterface (OAI) 5GC and deployed it on a real 5G testbed, demonstrating its ability to uncover resource constraints and expose cross-VNF dependencies under scenarios that mirror operational 5G deployments. To foster reproducibility and further research, we release publicly all the artifacts. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_18443 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | 5GC-Bench: A Framework for Stress-Testing and Benchmarking 5G Core VNFs Panitsas, Ioannis Atalay, Tolga O. Stojadinovic, Dragoslav Stavrou, Angelos Tassiulas, Leandros Networking and Internet Architecture The disaggregated, cloud-native design of the 5G Core (5GC) enables flexibility and scalability but introduces significant challenges. Control-plane procedures involve complex interactions across multiple Virtual Network Functions (VNFs), while the user plane must sustain diverse and resource-intensive traffic. Existing tools often benchmark these dimensions in isolation, rely on synthetic workloads, or lack visibility into fine-grained resource usage. This paper presents 5GC-Bench, a modular framework for stress-testing the 5GC under realistic workloads. 5GC-Bench jointly emulates signaling and service traffic, supporting both VNF profiling and end-to-end service-chain analysis. By characterizing bottlenecks and resource demands, it provides actionable insights for capacity planning and performance optimization. We integrated 5GC-Bench with the OpenAirInterface (OAI) 5GC and deployed it on a real 5G testbed, demonstrating its ability to uncover resource constraints and expose cross-VNF dependencies under scenarios that mirror operational 5G deployments. To foster reproducibility and further research, we release publicly all the artifacts. |
| title | 5GC-Bench: A Framework for Stress-Testing and Benchmarking 5G Core VNFs |
| topic | Networking and Internet Architecture |
| url | https://arxiv.org/abs/2509.18443 |