Söze: One Network Telemetry Is All You Need for Per-flow Weighted Bandwidth Allocation at Scale
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866916780252856320 |
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| author | Wang, Weitao Ng, T. S. Eugene |
| author_facet | Wang, Weitao Ng, T. S. Eugene |
| contents | Weighted bandwidth allocation is a powerful abstraction that has a wide range of use cases in modern data center networks. However, realizing highly agile and precise weighted bandwidth allocation for large-scale cloud environments is fundamentally challenging. In this paper, we propose Söze, a lightweight decentralized weighted bandwidth allocation system that leverages simple network telemetry features of commodity Ethernet switches. Given the flow weights, Söze can effectively use the telemetry information to compute and enforce the weighted bandwidth allocations without per-flow, topology, or routing knowledge. We demonstrate the effectiveness of Söze through simulations and testbed experiments, improving TPC-H jobs completion time by up to $0.59\times$ and $0.79\times$ on average. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2506_00834 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Söze: One Network Telemetry Is All You Need for Per-flow Weighted Bandwidth Allocation at Scale Wang, Weitao Ng, T. S. Eugene Networking and Internet Architecture Operating Systems Weighted bandwidth allocation is a powerful abstraction that has a wide range of use cases in modern data center networks. However, realizing highly agile and precise weighted bandwidth allocation for large-scale cloud environments is fundamentally challenging. In this paper, we propose Söze, a lightweight decentralized weighted bandwidth allocation system that leverages simple network telemetry features of commodity Ethernet switches. Given the flow weights, Söze can effectively use the telemetry information to compute and enforce the weighted bandwidth allocations without per-flow, topology, or routing knowledge. We demonstrate the effectiveness of Söze through simulations and testbed experiments, improving TPC-H jobs completion time by up to $0.59\times$ and $0.79\times$ on average. |
| title | Söze: One Network Telemetry Is All You Need for Per-flow Weighted Bandwidth Allocation at Scale |
| topic | Networking and Internet Architecture Operating Systems |
| url | https://arxiv.org/abs/2506.00834 |