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NSDI Pyrrha: Congestion-Root-Based Flow Control to Eliminate Head-of-Line Blocking in Datacenter Kexin Liu, Zhaochen Zhang, Chang Liu, Yizhi Wang, Qingyue Wang, Vamsi Addanki, Stefan Schmid, Wei Chen, Xiaoliang Wang, Jiaqi Zheng, Wenhao Sun, Tao Wu, Ke Meng, Fei Chen, Weiguang Wang, Wanchun Dou, Guihai Chen, and Chen Tian. 22nd USENIX Symposium on Networked Systems Design and Implementation (NSDI 25), Philadelphia, PA, 2025. Paper Abstract BibTeX
@inproceedings{pyrrha25, author = {Liu, Kexin and Zhang, Zhaochen and Liu, Chang and Wang, Yizhi and Wang, Qingyue and Addanki, Vamsi and Schmid, Stefan and Chen, Wei and Wang, Xiaoliang and Zheng, Jiaqi and Sun, Wenhao and Wu, Tao and Meng, Ke and Chen, Fei and Wang, Weiguang and Dou, Wanchun and Chen, Guihai and Tian, Chen}, title = {Pyrrha: Congestion-Root-Based Flow Control to Eliminate Head-of-Line Blocking in Datacenter}, booktitle = {22nd USENIX Symposium on Networked Systems Design and Implementation (NSDI 25)}, year = {2025}, address = {Philadelphia, PA}, publisher = {USENIX Association} }
LEO-NET Starlink Performance through the Edge Router Lens Sarah-Michelle Hammer, Vamsi Addanki, Max Franke, and Stefan Schmid. Proceedings of the 2nd ACM Workshop on LEO Networking and Communication 2024, Washington, DC., USA, 2024. Paper Abstract BibTeX
@inproceedings{starlinkleonet24, author = {Hammer, Sarah-Michelle and Addanki, Vamsi and Franke, Max and Schmid, Stefan}, title = {Starlink Performance through the Edge Router Lens}, booktitle = {Proceedings of the 2nd ACM Workshop on LEO Networking and Communication 2024}, year = {2024}, address = {Washington, DC., USA} }
NSDI Credence: Augmenting Datacenter Switch Buffer Sharing with ML Predictions Vamsi Addanki, Maciej Pacut, and Stefan Schmid. 21st USENIX Symposium on Networked Systems Design and Implementation (NSDI 24), Santa Clara, CA, 2024. Paper Slides Video Code Abstract BibTeX
@inproceedings{credencensdi24, author = {Addanki, Vamsi and Pacut, Maciej and Schmid, Stefan}, title = {Credence: Augmenting Datacenter Switch Buffer Sharing with ML Predictions}, booktitle = {21st USENIX Symposium on Networked Systems Design and Implementation (NSDI 24)}, year = {2024}, address = {Santa Clara, CA}, url = {https://www.usenix.org/conference/nsdi24/presentation/addanki-credence}, publisher = {USENIX Association} }
NSDI Reverie: Low Pass Filter-Based Switch Buffer Sharing for Datacenters with RDMA and TCP Traffic Vamsi Addanki, Wei Bai, Stefan Schmid, and Maria Apostolaki. 21st USENIX Symposium on Networked Systems Design and Implementation (NSDI 24), Santa Clara, CA, 2024. Paper Slides Video Code Abstract BibTeX
@inproceedings{reveriensdi24, author = {Addanki, Vamsi and Bai, Wei and Schmid, Stefan and Apostolaki, Maria}, title = {Reverie: Low Pass Filter-Based Switch Buffer Sharing for Datacenters with RDMA and TCP Traffic}, booktitle = {21st USENIX Symposium on Networked Systems Design and Implementation (NSDI 24)}, year = {2024}, address = {Santa Clara, CA}, url = {https://www.usenix.org/conference/nsdi24/presentation/addanki-reverie}, publisher = {USENIX Association} }
eBPF TCP’s Third-Eye: Leveraging eBPF for Telemetry-Powered Congestion Control Jörn-Thorben Hinz, Vamsi Addanki, Csaba Györgyi, Theo Jepsen, and Stefan Schmid. Proceedings of the 1st Workshop on eBPF and Kernel Extensions, ACM SIGCOMM 2023 Conference, New York, USA, 2023. Paper Slides Code Abstract BibTeX
@inproceedings{ebpf23, author = {Hinz, J\"{o}rn-Thorben and Addanki, Vamsi and Gy\"{o}rgyi, Csaba and Jepsen, Theo and Schmid, Stefan}, title = {TCP's Third-Eye: Leveraging eBPF for Telemetry-Powered Congestion Control}, year = {2023}, booktitle = {Proceedings of the 1st Workshop on eBPF and Kernel Extensions, ACM SIGCOMM 2023 Conference} }
SIGMETRICS Mars: Near-Optimal Throughput with Shallow Buffers in Reconfigurable Datacenter Networks Vamsi Addanki, Chen Avin, and Stefan Schmid. Proc. ACM Meas. Anal. Comput. Syst, ACM SIGMETRICS, Orlando, Florida, USA, 2023. Paper Slides Abstract BibTeX
@inproceedings{mars23, author = {Addanki, Vamsi and Avin, Chen and Schmid, Stefan}, title = {Mars: Near-Optimal Throughput with Shallow Buffers in Reconfigurable Datacenter Networks}, year = {2023}, booktitle = {Proc. ACM Meas. Anal. Comput. Syst, ACM SIGMETRICS}, url = {https://doi.org/10.1145/3579312} }
INFOCOM Self-Adjusting Partially Ordered Lists Vamsi Addanki, Maciej Pacut, Arash Pourdamghani, Gábor Rétvári, Stefan Schmid, and Juan Vanerio. Proceedings of the IEEE INFOCOM 2023 Conference, New York, USA, 2023. Paper Abstract BibTeX
@inproceedings{salists, author = {Addanki, Vamsi and Pacut, Maciej and Pourdamghani, Arash and R{\'{e}}tv{\'{a}}ri, G{\'{a}}bor and Schmid, Stefan and Vanerio, Juan}, title = {Self-Adjusting Partially Ordered Lists}, year = {2023}, booktitle = {Proceedings of the IEEE INFOCOM 2023 Conference} }
SIGCOMM ABM: Active Buffer Management in Datacenters Vamsi Addanki, Maria Apostolaki, Manya Ghobadi, Stefan Schmid, and Laurent Vanbever. Proceedings of the ACM SIGCOMM 2022 Conference, Amsterdam, Netherlands, 2022. Paper Slides Video Code Abstract BibTeX
@inproceedings{abm, author = {Addanki, Vamsi and Apostolaki, Maria and Ghobadi, Manya and Schmid, Stefan and Vanbever, Laurent}, title = {ABM: Active Buffer Management in Datacenters}, year = {2022}, booktitle = {Proceedings of the ACM SIGCOMM 2022 Conference} }
NSDI PowerTCP: Pushing the Performance Limits of Datacenter Networks Vamsi Addanki, Oliver Michel, and Stefan Schmid. 19th USENIX Symposium on Networked Systems Design and Implementation (NSDI 22), Renton, WA, 2022. Paper Slides Video Website Code Abstract BibTeX
@inproceedings{nsdi22, author = {Addanki, Vamsi and Michel, Oliver and Schmid, Stefan}, title = {{PowerTCP}: Pushing the Performance Limits of Datacenter Networks}, booktitle = {19th USENIX Symposium on Networked Systems Design and Implementation (NSDI 22)}, year = {2022}, address = {Renton, WA}, url = {https://www.usenix.org/conference/nsdi22/presentation/addanki}, publisher = {USENIX Association} }
Networking Moving a step forward in the quest for Deterministic Networks (DetNet) Vamsi Addanki and Luigi Iannone. 2020 IFIP Networking Conference (Networking), Paris, France, 2020. Paper Slides Code Abstract BibTeX
@inproceedings{detnetnetworking20, author = {Addanki, Vamsi and Iannone, Luigi}, booktitle = {2020 IFIP Networking Conference (Networking)}, title = {Moving a step forward in the quest for Deterministic Networks (DetNet)}, year = {2020}, volume = {}, number = {}, pages = {458-466}, doi = {} }
PAM Alias Resolution Based on ICMP Rate Limiting Kevin Vermeulen, Burim Ljuma, Vamsi Addanki, Matthieu Gouel, Olivier Fourmaux, Timur Friedman, and Reza Rejaie. Passive and Active Measurement, 2020. Paper Abstract BibTeX
@inproceedings{aliaspam20, author = {Vermeulen, Kevin and Ljuma, Burim and Addanki, Vamsi and Gouel, Matthieu and Fourmaux, Olivier and Friedman, Timur and Rejaie, Reza}, editor = {Sperotto, Anna and Dainotti, Alberto and Stiller, Burkhard}, title = {Alias Resolution Based on ICMP Rate Limiting}, booktitle = {Passive and Active Measurement}, year = {2020}, publisher = {Springer International Publishing}, address = {Cham}, pages = {231--248}, isbn = {978-3-030-44081-7} }
Networking Controlling software router resource sharing by fair packet dropping Vamsi Addanki, Leonardo Linguaglossa, James Roberts, and Dario Rossi. IFIP Networking Conference (IFIP Networking) and Workshops, Zurich, Switzerland, 2018. Paper Code Abstract BibTeX
@inproceedings{fairdropnetworking18, author = {Addanki, Vamsi and Linguaglossa, Leonardo and Roberts, James and Rossi, Dario}, booktitle = {IFIP Networking Conference (IFIP Networking) and Workshops}, title = {Controlling software router resource sharing by fair packet dropping}, year = {2018}, volume = {}, number = {}, pages = {1-9}, doi = {10.23919/IFIPNetworking.2018.8696549} }
arXiv Challenging the Need for Packet Spraying in Large-Scale Distributed Training Vamsi Addanki, Prateesh Goyal, and Ilias Marinos. CoRR, 2024. Paper Abstract BibTeX
@article{ethereal24, author = {Addanki, Vamsi and Goyal, Prateesh and Marinos, Ilias}, url = {https://arxiv.org/abs/2407.00550}, title = {Challenging the Need for Packet Spraying in Large-Scale Distributed Training}, journal = {CoRR}, volume = {abs/2407.00550}, year = {2024}, eprinttype = {arXiv}, eprint = {2407.00550} }
arXiv Understanding the Throughput Bounds of Reconfigurable Datacenter Networks Vamsi Addanki, Chen Avin, and Stefan Schmid. CoRR, 2024. Paper Abstract BibTeX
@article{demandawarethroughput24, author = {Addanki, Vamsi and Avin, Chen and Schmid, Stefan}, url = {https://arxiv.org/abs/2405.20869}, title = {Understanding the Throughput Bounds of Reconfigurable Datacenter Networks}, journal = {CoRR}, volume = {abs/2405.20869}, year = {2024}, eprinttype = {arXiv}, eprint = {2405.20869} }
arXiv FB: A Flexible Buffer Management Scheme for Data Center Switches Maria Apostolaki, Vamsi Addanki, Manya Ghobadi, and Laurent Vanbever. CoRR, 2021. Paper Abstract BibTeX
@article{bufferfbreview21, author = {Apostolaki, Maria and Addanki, Vamsi and Ghobadi, Manya and Vanbever, Laurent}, url = {https://arxiv.org/abs/2105.10553}, title = {{FB:} {A} Flexible Buffer Management Scheme for Data Center Switches}, journal = {CoRR}, volume = {abs/2105.10553}, year = {2021}, eprinttype = {arXiv}, eprint = {2105.10553} }
arXiv Self-Adjusting Packet Classification Maciej Pacut, Juan Vanerio, Vamsi Addanki, Arash Pourdamghani, Gábor Rétvári, and Stefan Schmid. CoRR, 2021. Paper Abstract BibTeX
@article{firewallreview21, author = {Pacut, Maciej and Vanerio, Juan and Addanki, Vamsi and Pourdamghani, Arash and R{\'{e}}tv{\'{a}}ri, G{\'{a}}bor and Schmid, Stefan}, title = {Self-Adjusting Packet Classification}, journal = {CoRR}, volume = {abs/2109.15090}, year = {2021}, url = {https://arxiv.org/abs/2109.15090}, eprinttype = {arXiv}, eprint = {2109.15090} }
arXiv Online List Access with Precedence Constraints Maciej Pacut, Juan Vanerio, Vamsi Addanki, Arash Pourdamghani, Gábor Rétvári, and Stefan Schmid. CoRR, 2021. Paper Abstract BibTeX
@article{listaccessreview21, author = {Pacut, Maciej and Vanerio, Juan and Addanki, Vamsi and Pourdamghani, Arash and R{\'{e}}tv{\'{a}}ri, G{\'{a}}bor and Schmid, Stefan}, title = {Online List Access with Precedence Constraints}, journal = {CoRR}, volume = {abs/2104.08949}, year = {2021}, url = {https://arxiv.org/abs/2104.08949}, eprinttype = {arXiv}, eprint = {2104.08949} }
SIGCOMM Fair Dropping for Multi-Resource Fairness in Software Routers Extended Abstract Vamsi Addanki, Leonardo Linguaglossa, James Roberts, and Dario Rossi. Proceedings of the ACM SIGCOMM 2018 Conference on Posters and Demos, Budapest, Hungary, 2018. Paper Poster Video Video-contd. Abstract BibTeX
@inproceedings{fairdropsigcomm18, author = {Addanki, Vamsi and Linguaglossa, Leonardo and Roberts, James and Rossi, Dario}, title = {Fair Dropping for Multi-Resource Fairness in Software Routers Extended Abstract}, year = {2018}, isbn = {9781450359153}, publisher = {Association for Computing Machinery}, address = {New York, NY, USA}, url = {https://doi.org/10.1145/3234200.3234210}, doi = {10.1145/3234200.3234210}, booktitle = {Proceedings of the ACM SIGCOMM 2018 Conference on Posters and Demos}, pages = {132–134}, numpages = {3}, keywords = {vector packet processing (VPP), fair dropping, multi-resource fairness, Linux Foundation FD.io project}, series = {SIGCOMM '18} }
Masters Thesis Plasticine: A flexible buffer management scheme for data center networks Vamsi Addanki. Supervisors: Laurent Vanbever, Maria Apostalaki, Sebastien Tixeuil. ETH Zurich, aug, 2020. Paper Slides Abstract BibTeX
@thesis{masterthesis, thesis = {Masters Thesis}, title = {Plasticine: A flexible buffer management scheme for data center networks}, author = {Addanki, Vamsi}, year = {2020} }
Bachelors Thesis Vectorized Packet Processing Vamsi Addanki. Supervisors: Dario Rossi, Leonardo Linguaglossa. Telecom Paris, jul, 2017. Paper Abstract BibTeX
@thesis{bachelorthesis, thesis = {Bachelors Thesis}, title = {Vectorized Packet Processing}, author = {Addanki, Vamsi}, year = {2017} }