SCION Path Performance Toolkit and Benchmark for Advancing Machine Learning in Next-Generation Networks: ScionPathML
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arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866912576959414272 |
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| author | Rossi, Damien Herschbach, Lars Keshvadi, Sina |
| author_facet | Rossi, Damien Herschbach, Lars Keshvadi, Sina |
| contents | Path-aware networks promise enhanced performance and resilience through multipath transport, but a lack of empirical data on their real-world dynamics hinders the design of effective protocols. This paper presents a longitudinal measurement study of the SCION architecture on the global SCIONLab testbed, characterizing the path stability, diversity, and performance crucial for protocols like Multipath QUIC (MPQUIC). Our measurements reveal a dynamic environment, with significant control-plane churn and short path lifetimes in parts of the testbed. We identify and characterize path discrepancy, a phenomenon where routing policies create asymmetric path availability between endpoints. Furthermore, we observe a performance trade-off where concurrent multipath transmissions can improve aggregate throughput but may degrade the latency and reliability of individual paths. These findings demonstrate that protocols such as MPQUIC should explicitly account for high churn and path asymmetry, challenging common assumptions in multipath protocol design. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_07154 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | SCION Path Performance Toolkit and Benchmark for Advancing Machine Learning in Next-Generation Networks: ScionPathML Rossi, Damien Herschbach, Lars Keshvadi, Sina Networking and Internet Architecture C.2.1; C.2.3 Path-aware networks promise enhanced performance and resilience through multipath transport, but a lack of empirical data on their real-world dynamics hinders the design of effective protocols. This paper presents a longitudinal measurement study of the SCION architecture on the global SCIONLab testbed, characterizing the path stability, diversity, and performance crucial for protocols like Multipath QUIC (MPQUIC). Our measurements reveal a dynamic environment, with significant control-plane churn and short path lifetimes in parts of the testbed. We identify and characterize path discrepancy, a phenomenon where routing policies create asymmetric path availability between endpoints. Furthermore, we observe a performance trade-off where concurrent multipath transmissions can improve aggregate throughput but may degrade the latency and reliability of individual paths. These findings demonstrate that protocols such as MPQUIC should explicitly account for high churn and path asymmetry, challenging common assumptions in multipath protocol design. |
| title | SCION Path Performance Toolkit and Benchmark for Advancing Machine Learning in Next-Generation Networks: ScionPathML |
| topic | Networking and Internet Architecture C.2.1; C.2.3 |
| url | https://arxiv.org/abs/2509.07154 |