COMETS: Coordinated Multi-Destination Video Transmission with In-Network Rate Adaptation
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arXiv
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| Autores principales: | , , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866912849927864320 |
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| author | Zhang, Yulong Cui, Ying Meng, Zili Kumar, Abhishek Kutscher, Dirk |
| author_facet | Zhang, Yulong Cui, Ying Meng, Zili Kumar, Abhishek Kutscher, Dirk |
| contents | Large-scale video streaming events attract millions of simultaneous viewers, stressing existing delivery infrastructures. Client-driven adaptation reacts slowly to shared congestion, while server-based coordination introduces scalability bottlenecks and single points of failure. We present COMETS, a coordinated multi-destination video transmission framework that leverages information-centric networking principles such as request aggregation and in-network state awareness to enable scalable, fair, and adaptive rate control. COMETS introduces a novel range-interest protocol and distributed in-network decision process that aligns video quality across receiver groups while minimizing redundant transmissions. To achieve this, we develop a lightweight distributed optimization framework that guides per-hop quality adaptation without centralized control. Extensive emulation shows that COMETS consistently improves bandwidth utilization, fairness, and user-perceived quality of experience over DASH, MoQ, and ICN baselines, particularly under high concurrency. The results highlight COMETS as a practical, deployable approach for next-generation scalable video delivery. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_18670 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | COMETS: Coordinated Multi-Destination Video Transmission with In-Network Rate Adaptation Zhang, Yulong Cui, Ying Meng, Zili Kumar, Abhishek Kutscher, Dirk Networking and Internet Architecture Multimedia Image and Video Processing 90C27, 68M10, 68M14 C.2.1; C.2.4; H.5.1 Large-scale video streaming events attract millions of simultaneous viewers, stressing existing delivery infrastructures. Client-driven adaptation reacts slowly to shared congestion, while server-based coordination introduces scalability bottlenecks and single points of failure. We present COMETS, a coordinated multi-destination video transmission framework that leverages information-centric networking principles such as request aggregation and in-network state awareness to enable scalable, fair, and adaptive rate control. COMETS introduces a novel range-interest protocol and distributed in-network decision process that aligns video quality across receiver groups while minimizing redundant transmissions. To achieve this, we develop a lightweight distributed optimization framework that guides per-hop quality adaptation without centralized control. Extensive emulation shows that COMETS consistently improves bandwidth utilization, fairness, and user-perceived quality of experience over DASH, MoQ, and ICN baselines, particularly under high concurrency. The results highlight COMETS as a practical, deployable approach for next-generation scalable video delivery. |
| title | COMETS: Coordinated Multi-Destination Video Transmission with In-Network Rate Adaptation |
| topic | Networking and Internet Architecture Multimedia Image and Video Processing 90C27, 68M10, 68M14 C.2.1; C.2.4; H.5.1 |
| url | https://arxiv.org/abs/2601.18670 |