~/conference

NSDI '25

The 22nd USENIX Symposium on Networked Systems Design and Implementation (NSDI '25) will take place April 28–30, 2025, at the Philadelphia Marriott Downtown in Philadelphia, PA, USA. NSDI focuses on the design principles, implementation, and practical evaluation of networked and distributed systems.

distributed systems engineers, network engineers, cloud infrastructure engineers, machine learning infrastructure engineers, data center operators, storage engineers, smartNIC developers, security and privacy engineers

programmable switch telemetry routing; smartNIC multi-target compiler; software control for RDMA; serverless pay-for-use billing; learning-based congestion control; resilient AllReduce for deep learning; gpu-disaggregated model serving; transport for in-network computing; service mesh end-to-end testing; edge video analytics enhancement; federated analytics engineering; high-throughput DAG BFT consensus

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PRED: Performance-oriented Random Early Detection for Consistently Stable Performance...Xinle Du, Tong Li, Guangmeng Zhou, Zhuotao Liu, Hanlin Huang, Xiangyu Gao, Mowei Wang, Kun Tan, Ke Xu16m
PRED implements on- switch flow counting and two loosely coupled subsystems, Flow Concurrent Stabilizer (FCS) and Queue Length Adjuster (QLA), using MIMD to…
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Rajomon: Decentralized and Coordinated Overload Control for Latency-Sensitive...Jiali Xing, Akis Giannoukos, Paul Loh, Shuyue Wang, Justin Qiu, Henri Maxime Demoulin, Konstantinos Kallas, Benjamin C. Lee16m
RAJOMON is a market-style, decentralized overload controller where clients attach tokens and prices to requests and services charge per-interface prices…
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Learnings from Deploying Network QoS Alignment to Application Priorities for Storage...Matthew Buckley, Parsa Pazhooheshy, Z. Morley Mao, Nandita Dukkipati, Hamid Hajabdolali Bazzaz, Priyaranjan Jha, Yingjie Bi, Steve Middlekauff, Yashar Ganjali16m
Deploys an RPC-level mapping from application priorities to DSCP/WFQ classes (Aquidus) across storage traffic, performed via per-customer, per-region canaries…
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DISC: Backpressure Mitigation In Multi-tier Applications With Distributed Shared...Brice Ekane, Djob Mvondo, Renaud Lachaize, Yérom-David Bromberg, Alain Tchana, Daniel Hagimont15m
DISC lets multiple tiers jointly act as endpoints of the shared TCP connection so backend servers can emit large response bodies directly to clients while…
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Enabling Silent Telemetry Data Transmission with InvisiFlowYinda Zhang, Liangcheng Yu, Gianni Antichi, Ran Ben Basat, Vincent Liu16m
InvisiFlow routes low-priority telemetry off the shortest path by probing neighbors with pull requests and forwarding along a congestion gradient computed from…
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Unlocking ECMP Programmability for Precise Traffic ControlYadong Liu, Yunming Xiao, Xuan Zhang, Weizhen Dang, Huihui Liu, Xiang Li, Zekun He, Jilong Wang, Aleksandar Kuzmanovic, Ang Chen, Congcong Miao17m
P-ECMP implements a programming model, compiler, and runtime that reuses seldom-used ECMP groups to deterministically steer flows; compiler inputs are topology…
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Enabling Portable and High-Performance SmartNIC Programs with AlkaliJiaxin Lin, Zhiyuan Guo, Mihir Shah, Tao Ji, Yiying Zhang, Daehyeok Kim, Aditya Akella16m
Alkali is a multi-target SmartNIC compiler that turns a single-threaded C program into an alphair IR handler graph and uses an iterative two-stage optimizer—a…
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Scaling IP Lookup to Large Databases using the CRAM LensRobert Chang, Pradeep Dogga, Andy Fingerhut, Victor Rios, George Varghese16m
A formal CRAM lens evaluation shows concrete mappings and tradeoffs for RMT/DRMT chips: a DAG-based CRA model plus eight optimization idioms predicts memory…
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Quicksand: Harnessing Stranded Datacenter Resources with Granular ComputingZhenyuan Ruan, Shihang Li, Kaiyan Fan, Seo Jin Park, Marcos K. Aguilera, Adam Belay, Malte Schwarzkopf17m
Quicksand decomposes applications into small resource proclets—separate compute and memory units—and automatically splits, merges, and migrates them to fill…
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Beehive: A Scalable Disaggregated Memory Runtime Exploiting Asynchrony of Multithreaded..Quanxi Li, Hong Huang, Ying Liu, Yanwen Xia, Jie Zhang, Mosong Zhou, Xiaobing Feng, Huimin Cui, Quan Chen, Yizhou Shan, Chenxi Wang13m
Beehive builds a Rust compile-time transform plus a runtime that turns synchronous multithreaded code into asynchronous pararoutine units and a lightweight…
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Making Serverless Pay-For-Use a Reality with LeopardTingjia Cao, Andrea C. Arpaci-Dusseau, Remzi H. Arpaci-Dusseau, Tyler Caraza-Harter18m
Shows that current serverless billing overcharges by charging execution time times a static memory cap, and introduces NPFU billing model that adds CPU caps…
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GRANNY: Granular Management of Compute-Intensive Applications in the CloudCarlos Segarra, Simon Shillaker, Guo Li, Eleftheria Mappoura, Rodrigo Bruno, Lluís Vilanova, Peter Pietzuch18m
A distributed runtime called GRANNY uses a WebAssembly-based execution abstraction to run one-vCPU Granules that offer either thread (OpenMP) or process (MPI)…
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On Temporal Verification of Stateful P4 ProgramsDelong Zhang, Chong Ye, Fei He15m
Introduces P4LTL, a packet-processing LTL for expressing safety (e.g., no implicit drops when a register count is in-range) and liveness (per-port activation…
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NDD: A Decision Diagram for Network VerificationZechun Li, Peng Zhang, Yichi Zhang, Hongkun Yang15m
Introduces Network Decision Diagram (NDD), a two-layer structure that groups header bits into fields and builds per-field BDDs while assembling them with nodes…
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Smart Casual Verification of the Confidential Consortium FrameworkHeidi Howard, Markus A Kuppe, Edward Ashton, Amaury Chamayou, Natacha Crooks18m
Specifies CCF's distributed consensus and client-consistency model in TLA+, instruments the C++ code to emit tiny JSON state traces, and repurposes the TLC…
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VEP: A Two-stage Verification Toolchain for Full eBPF ProgrammabilityXiwei Wu, Yueyang Feng, Tianyi Huang, Xiaoyang Lu, Shengkai Lin, Lihan Xie, Shizhen Zhao, Qinxiang Cao17m
VEP is a two-stage verifier: VEP-C (annotation-guided C verifier), a VEP-compiler that preserves annotations through compilation, and VEP-eBPF, a lightweight…
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MeshTest: End-to-End Testing for Service Mesh Traffic ManagementNaiqian Zheng, Tianshuo Qiao, Xuanzhe Liu, Xin Jin14m
MeshTest automatically generates end-to-end service mesh configs using a novel Service Flow Exploration to enumerate resource interactions, then translates…
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Preventing Network Bottlenecks: Accelerating Datacenter Services with Hotspot-Aware...Hamid Hajabdolali Bazzaz, Yingjie Bi, Weiwu Pang, Minlan Yu, Ramesh Govindan, Neal Cardwell, Nandita Dukkipati, Meng-Jung Tsai, Chris DeForeest, Yuxue Jin, Charles Carver, Jan Kopanski, Liqun Cheng, Amin Vahdat18m
Analysis of Google datacenter ToR hotspots shows links that persist hot for hours and often exceed 75–90% utilization, causing over 2× end-to-end latency for…
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Enhancing Network Failure Mitigation with Performance-Aware RankingPooria Namyar, Arvin Ghavidel, Daniel Crankshaw, Daniel S. Berger, Kevin Hsieh, Srikanth Kandula, Ramesh Govindan, Behnaz Arzani16m
Swarm ranks mitigation actions by directly estimating end-to-end flow metrics using fast approximations: epoched traffic samples, splitting short/long flows…
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One-Size-Fits-None: Understanding and Enhancing Slow-Fault Tolerance in Modern...Ruiming Lu, Yunchi Lu, Yuxuan Jiang, Guangtao Xue, Peng Huang17m
A systematic testing pipeline injects diverse slow faults into six modern distributed systems and sweeps ~100k fault combinations including 8000 configuration…
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Pyrrha: Congestion-Root-Based Flow Control to Eliminate Head-of-Line Blocking in...Kexin Liu, Zhaochen Zhang, Chang Liu, Yizhi Wang, Vamsi Addanki, Stefan Schmid, Qingyue Wang, Wei Chen, Xiaoliang Wang, Jiaqi Zheng, Wenhao Sun, Tao Wu, Ke Meng, Fei Chen, Weiguang Wang, Bingyang Liu, Wanchun Dou, Guihai Chen, Chen Tian17m
Claims a flow-control granularity tied to the congestion-root ID that provably eliminates head‑of‑line blocking by allocating isolation queues only for flows…
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eTran: Extensible Kernel Transport with eBPFZhongjie Chen, Qingkai Meng, ChonLam Lao, Yifan Liu, Fengyuan Ren, Minlan Yu, Yang Zhou15m
eTran extends eBPF to create an extensible in-kernel transport that adds new XDP hooks and a packet Q BPF map for queuing, plus XDP egress and XDP gym to…
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White-Boxing RDMA with Packet-Granular Software ControlChenxingyu Zhao, Jaehong Min, Ming Liu, Arvind Krishnamurthy17m
Claims software control of RDMA transport at packet granularity while preserving line‑rate data path performance, implemented on Nvidia BlueField-3 DPA and…
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SIRD: A Sender-Informed, Receiver-Driven Datacenter Transport ProtocolKonstantinos Prasopoulos, Ryan Kosta, Edouard Bugnion, Marios Kogias17m
SIRD combines receiver-driven downlink scheduling with reactive control on shared links, implemented on Caladan and evaluated in a 144‑host simulator and a…
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Accelerating Design Space Exploration for LLM Training Systems with Multi-experiment...Fei Gui, Kaihui Gao, Li Chen, Dan Li, Vincent Liu, Ran Zhang, Hongbing Yang, Dian Xiong16m
Presents Multiverse, a GPU-based LLM-training simulator that runs many independent experiments in one process using SPME and data-oriented DoD modeling, with…
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Optimizing RLHF Training for Large Language Models with Stage FusionYinmin Zhong, Zili Zhang, Bingyang Wu, Shengyu Liu, Yukun Chen, Changyi Wan, Hanpeng Hu, Lei Xia, Ranchen Ming, Yibo Zhu, Xin Jin13m
RLHFuse claims up to 3.7× end-to-end RLHF training throughput by splitting tasks into sample-level subtasks and microbatch subtasks. It overlaps generation and…
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Minder: Faulty Machine Detection for Large-scale Distributed Model TrainingYangtao Deng, Xiang Shi, Zhuo Jiang, Xingjian Zhang, Lei Zhang, Zhang Zhang, Bo Li, Zuquan Song, Hang Zhu, Gaohong Liu, Fuliang Li, Shuguang Wang, Haibin Lin, Jianxi Ye, Minlan Yu14m
Minder is an automated faulty-machine detector deployed for over a year on thousand‑machine distributed training jobs; it builds per‑metric parametric models…
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Holmes: Localizing Irregularities in LLM Training with Mega-scale GPU ClustersZhiyi Yao, Pengbo Hu, Congcong Miao, Xuya Jia, Zuning Liang, Yuedong Xu, Chunzhi He, Hao Lu, Mingzhuo Chen, Xiang Li, Zekun He, Yachen Wang, Xianneng Zou, Junchen Jiang16m
Holmes localizes slow or spiky iterations in multi‑thousand GPU LLM training by logging only communication operators, classifying abnormal operators with a…
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SimAI: Unifying Architecture Design and Performance Tuning for Large-Scale Large...Xizheng Wang, Qingxu Li, Yichi Xu, Gang Lu, Dan Li, Li Chen, Heyang Zhou, Linkang Zheng, Sen Zhang, Yikai Zhu, Yang Liu, Pengcheng Zhang, Kun Qian, Kunling He, Jiaqi Gao, Ennan Zhai, Dennis Cai, Binzhang Fu11m
SimAI claims a unified, high‑precision LLM training simulator that matches real runs 98.1% alignment by hijacking training frameworks (Megatron, DeepSpeed)…
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ByteCheckpoint: A Unified Checkpointing System for Large Foundation Model DevelopmentBorui Wan, Mingji Han, Yiyao Sheng, Yanghua Peng, Haibin Lin, Mofan Zhang, Zhichao Lai, Menghan Yu, Junda Zhang, Zuquan Song, Xin Liu, Chuan Wu13m
ByteCheckpoint implements a parallelism-agnostic checkpoint representation and load-time resharding so checkpoints saved on one GPU layout can be read into…
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Mowgli: Passively Learned Rate Control for Real-Time VideoNeil Agarwal, Rui Pan, Francis Y. Yan, Ravi Netravali16m
Mowgli trains a rate controller entirely offline from production GCC telemetry, using soft actor critic plus conservative Q-learning and distributional critics…
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Dissecting and Streamlining the Interactive Loop of Mobile Cloud GamingYang Li, Jiaxing Qiu, Hongyi Wang, Zhenhua Li, Feng Qian, Jing Yang, Hao Lin, Yunhao Liu, Bo Xiao, Xiaokang Qin, Tianyin Xu17m
A 20,000‑record, 2,000‑fps camera measurement across eight commercial platforms reveals mobile cloud gaming interactive latency of 112–403 ms and shows network…
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Region-based Content Enhancement for Efficient Video Analytics at the EdgeWeijun Wang, Liang Mi, Shaowei Cen, Haipeng Dai, Yuanchun Li, Xiaoming Fu, Yunxin Liu14m
RegenHance presents a concrete system that enhances only important frame regions to cut compute and bandwidth: a macroblock-based region importance predictor…
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Tooth: Toward Optimal Balance of Video QoE and Redundancy Cost by Fine-Grained FEC in...Congkai An, Huanhuan Zhang, Shibo Wang, Jingyang Kang, Anfu Zhou, Liang Liu, Huadong Ma, Zili Meng, Delei Ma, Yusheng Dong, Xiaogang Lei17m
Paper analyzes over 60,000 cloud gaming sessions and finds coarse-grained FEC both over-protects large frames (wasting bandwidth) and under-protects small…
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AsTree: An Audio Subscription Architecture Enabling Massive-Scale Multi-Party...Tong Meng, Wenfeng Li, Chao Yuan, Changqing Yan, Le Zhang15m
AsTree replaces full “subscribe-to-all” audio with a cascading tree topology over SFUs and media-plane audio selection that forwards only a few loudest streams…
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AutoCCL: Automated Collective Communication Tuning for Accelerating Distributed and...Guanbin Xu, Zhihao Le, Yinhe Chen, Zhiqi Lin, Zewen Jin, Youshan Miao, Cheng Li15m
AutoCCL automates low-level tuning of NCCL to cut communication overhead: it prunes NCCL's 158 knobs to 28 parameters, partitions the huge search space with a…
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OptiReduce: Resilient and Tail-Optimal AllReduce for Distributed Deep Learning in the...Ertza Warraich, Omer Shabtai, Khalid Manaa, Shay Vargaftik, Yonatan Piasetzky, Matty Kadosh, Lalith Suresh, Muhammad Shahbaz16m
OptiReduce is a time‑bounded AllReduce system that trades guaranteed delivery for bounded loss and faster completion: it implements an unreliable bounded…
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Efficient Direct-Connect Topologies for Collective CommunicationsLiangyu Zhao, Siddharth Pal, Tapan Chugh, Weiyang Wang, Jason Fantl, Prithwish Basu, Joud Khoury, Arvind Krishnamurthy14m
Presents a concrete pipeline that synthesizes direct‑connect topologies and schedules, starting from small optimal bases and using line graph expansion and…
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SuperServe: Fine-Grained Inference Serving for Unpredictable WorkloadsAlind Khare, Dhruv Garg, Sukrit Kalra, Snigdha Grandhi, Ion Stoica, Alexey Tumanov16m
SuperServe implements SubNetAct and SlackFit to serve many weight‑shared sub-net models from a single pre-trained super-network by inserting control‑flow…
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Pineapple: Unifying Multi-Paxos and Atomic Shared RegistersTigran Bantikyan, Jonathan Zarnstorff, Te-Yen Chou, Lewis Tseng, Roberto Palmieri19m
Pineapple implements a unified Multi-Paxos plus atomic-register design that uses logical timestamps (tag and slot) so any replica can serve reads and blind…
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Ladder: A Convergence-based Structured DAG Blockchain for High Throughput and Low LatencyDengcheng Hu, Jianrong Wang, Xiulong Liu, Hao Xu, Xujing Wu, Muhammad Shahzad, Guyue Liu, Keqiu Li17m
A structured twin-chain DAG named Ladder imposes regular convergence points so an upper chain runs parallel PoW block production while a designated convergence…
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Vegeta: Enabling Parallel Smart Contract Execution in Leaderless BlockchainsTianjing Xu, Yongqi Zhong, Yiming Zhang, Ruofan Xiong, Jingjing Zhang, Guangtao Xue, Shengyun Liu18m
The paper proposes speculate-order-replay: nodes pre-execute transactions, build a dependency graph, then deterministically replay and validate read/write…
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Shoal++: High Throughput DAG BFT Can Be Fast and Robust!Balaji Arun, Zekun Li, Florian Suri-Payer, Sourav Das, Alexander Spiegelman16m
Shoal++ is a DAG BFT system that cuts average commit latency from 10.5 to 4.5 message delays while keeping DAG throughput, by running three staggered DAG…
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Learning Production-Optimized Congestion Control Selection for Alibaba Cloud CDNXuan Zeng, Haoran Xu, Chen Chen, Xumiao Zhang, Xiaoxi Zhang, Xu Chen, Guihai Chen, Yubing Qiu, Yiping Zhang, Chong Hao, Ennan Zhai19m
AliCCS is a production system that learns to pick among existing congestion controllers using a GAN-based invariant representation to remove /24 hidden-state…
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GPU-Disaggregated Serving for Deep Learning Recommendation Models at ScaleLingyun Yang, Yongchen Wang, Yinghao Yu, Qizhen Weng, Jianbo Dong, Kan Liu, Chi Zhang, Yanyi Zi, Hao Li, Zechao Zhang, Nan Wang, Yu Dong, Menglei Zheng, Lanlan Xi, Xiaowei Lu, Liang Ye, Guodong Yang, Binzhang Fu, Tao Lan, Liping Zhang, Lin Qu, Wei Wang18m
Prism disaggregates CPU and GPU pools via graph-level partitioning and RDMA so embedding lookups run on CPU nodes and dense nets on GPU nodes, using a fusgraph…
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Evolution of Aegis: Fault Diagnosis for AI Model Training Service in ProductionJianbo Dong, Kun Qian, Pengcheng Zhang, Zhilong Zheng, Liang Chen, Fei Feng, Yichi Xu, Yikai Zhu, Gang Lu, Xue Li, Zhihui Ren, Zhicheng Wang, Bin Luo, Peng Zhang, Yang Liu, Yanqing Chen, Yu Guan, Weicheng Wang, Chaojie Yang, Yang Zhang, Man Yuan, Hanyu Zhao, Yong Li, Zihan Zhao, Shan Li, Xianlong Zeng, Zhiping Yao, Binzhang Fu, Ennan Zhai, Wei Lin, Chao Wang, Dennis Cai16m
Aegis is a production fault diagnosis system for AI model training that evolves from enhanced legacy tools to a customized collective communication library…
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PAPAYA Federated Analytics Stack: Engineering Privacy, Scalability and PracticalityHarish Srinivas, Graham Cormode, Mehrdad Honarkhah, Samuel Lurye, Jonathan Hehir, Lunwen He, George Hong, Ahmed Magdy, Dzmitry Huba, Kaikai Wang, Shen Guo, Shoubhik Bhattacharya17m
PAPAYA is Meta’s federated analytics stack that combines trusted execution environments with on-device, SQL-based transformations and hard-coded client…
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HA/TCP: A Reliable and Scalable Framework for TCP Network FunctionsHaoyu Gu, Ali José Mashtizadeh, Bernard Wong15m
Framework guarantees transparent active-active replication of TCP connections by duplicating and ordering packets to a replica and delivering them only when…
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High-level Programming for Application NetworksXiangfeng Zhu, Yuyao Wang, Banruo Liu, Yongtong Wu, Nikola Bojanic, Jingrong Chen, Gilbert Louis Bernstein, Arvind Krishnamurthy, Sam Kumar, Ratul Mahajan, Danyang Zhuo16m
AppNet is a framework that compiles high-level generalized match-action programs for RPC processing into platform-specific code (RPC library, colocated proxy…
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State-Compute Replication: Parallelizing High-Speed Stateful Packet ProcessingQiongwen Xu, Sebastiano Miano, Xiangyu Gao, Tao Wang, Adithya Murugadass, Songyuan Zhang, Anirudh Sivaraman, Gianni Antichi, Srinivas Narayana16m
Introduces state-compute replication that replicates only the state-update code and attaches compact per-packet histories so each core fast-forwards private…
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MTP: Transport for In-Network ComputingTao Ji, Rohan Vardekar, Balajee Vamanan, Brent E. Stephens, Aditya Akella14m
MTP is a DPDK prototype transport that natively handles pathlet mutation, intercept, reordering and delaying by treating offloads as message-oriented pathlets…
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ONCache: A Cache-Based Low-Overhead Container Overlay NetworkShengkai Lin, Shizhen Zhao, Peirui Cao, Xinchi Han, Quan Tian, Wenfeng Liu, Qi Wu, Donghai Han, Xinbing Wang16m
Claims a cache of per-flow processing results (routing, tunnel headers, packet-filter decisions, with checksum fixes) eliminates repetitive overlay work and…
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GREEN: Carbon-efficient Resource Scheduling for Machine Learning ClustersKaiqiang Xu, Decang Sun, Han Tian, Junxue Zhang, Kai Chen17m
GREEN monitors per-job power with NVML readouts (plus CPU estimates) and integrates carbon intensity every 30s, uses an energy efficiency optimizer to scale…
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The Benefits and Limitations of User Interrupts for Preemptive Userspace SchedulingLinsong Guo, Danial Zuberi, Tal Garfinkel, Amy Ousterhout16m
User interrupts on recent Intel CPUs lower preemption overhead versus signals and avoid the unpredictable kernel path of signals, while compiler…
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Securing Public Cloud Networks with Efficient Role-based Micro-SegmentationSathiya Kumaran Mani, Kevin Hsieh, Santiago Segarra, Ranveer Chandra, Yajie Zhou, Srikanth Kandula17m
Introduces an end-to-end system, ZTS, that infers roles from large flow logs using contrastive learning with sparse labels to reach average ARRI ≈ 0.77 on real…
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Mitigating Scalability Walls of RDMA-based Container NetworksWei Liu, Kun Qian, Zhenhua Li, Feng Qian, Tianyin Xu, Yunhao Liu, Yu Guan, Shuhong Zhu, Hongfei Xu, Lanlan Xi, Chao Qin, Ennan Zhai15m
ScalaCN infers RNIC internals via combinatorial causal testing and links specific config dimensions to failures, finding that increasing flow-group query cost…
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Eden: Developer-Friendly Application-Integrated Far MemoryAnil Yelam, Stewart Grant, Saarth Deshpande, Nadav Amit, Radhika Niranjan Mysore, Amy Ousterhout, Marcos K. Aguilera, Alex C. Snoeren12m
Eden is a far memory system that combines hardware page guards with a few programmer hints and a user‑level runtime to get app‑integrated performance with low…
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Achieving Wire-Latency Storage Systems by Exploiting Hardware ACKsQing Wang, Jiwu Shu, Jing Wang, Yuhao Zhang16m
Juneberry implements an Ordered Queue (OQ) that uses hardware ACKs as commit signals from RDMA NICs so clients commit neoex storage requests in one round trip…
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ODRP: On-Demand Remote Paging with Programmable RDMAZixuan Wang, Xingda Wei, Jinyu Gu, Hongrui Xie, Rong Chen, Haibo Chen14m
ODRP offloads fine‑grain remote paging onto the RNIC by chaining RDMA work requests and using event‑triggered worker queues to implement allocation…
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Understanding and Profiling NVMe-over-TCP Using ntprofYuyuan Kang, Ming Liu17m
ntprof is a kernel + user tool that models NVMe‑over‑TCP as nine software switches and adds tracepoints to Linux 5.15.143 to collect lossless per‑IO timelines…
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Building an Elastic Block Storage over EBOFs Using Shadow ViewsSheng Jiang, Ming Liu17m
Presents a deployed software telemetry layer called shadow view that samples per-port, per-pipe, and per-SSD stats and uses a lightweight counter-based sync to…
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Pushing the Limits of In-Network Caching for Key-Value StoresGyuyeong Kim17m
OrbitCache caches whole key–value pairs by keeping packet recirculation loops in the programmable data plane instead of storing values in switch memory…
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CellReplay: Towards accurate record-and-replay for cellular networksWilliam Sentosa, Balakrishnan Chandrasekaran, P. Brighten Godfrey, Haitham Hassanieh16m
CellReplay records cellular behavior with two simultaneous workloads — light packet trains and a saturator — calibrates parameters, and replays by…
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Large Network UWB Localization: Algorithms and ImplementationNakul Garg, Irtaza Shahid, Ramanujan K Sheshadri, Karthikeyan Sundaresan, Nirupam Roy14m
Locate3D is a UWB-based system that uses antenna-array joint range and angle measurements to make each peer-to-peer exchange four times more informative…
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Towards Energy Efficient 5G vRAN ServersAnuj Kalia, Nikita Lazarev, Leyang Xue, Xenofon Foukas, Bozidar Radunovic, Francis Y. Yan17m
RENC adjusts CPU P‑states to use sub‑second workload variation, coupling MAC layer rate limiting with ordered frequency changes so throttling happens before…
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Building Massive MIMO Baseband Processing on a Single-Node SupercomputerXincheng Xie, Wentao Hou, Zerui Guo, Ming Liu15m
MegaStation implements a baseband pipeline as instruction streams on a single-node supercomputer with a composable GPU pool and GigaIO FabreX fabric, using an…
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Efficient Multi-WAN Transport for 5G with OTTERMary Hogan, Gerry Wan, Yiming Qiu, Sharad Agarwal, Ryan Beckett, Rachee Singh, Paramvir Bahl13m
OTTER implements a multi-WAN overlay (VMs, VPN gateways, private VNETs) across an 8-region cloud topology and a controller/orchestrator/measurement-coordinator…
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Verifying maximum link loads in a changing worldTibor Schneider, Stefano Vissicchio, Laurent Vanbever17m
Velo finds maximum link loads when links fail and BGP routes change by proving worst-case per-destination happens with a single-egress worst case and by…
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A Layered Formal Methods Approach to Answering Queue-related QueriesDivya Raghunathan, Maria Apostolaki, Aarti Gupta16m
QuASI answers whether queue-related queries (e.g., whether a queue could exceed a threshold, burst occurrence, max buffer occupancy) are possible using only…
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Runtime Protocol Refinement Checking for Distributed Protocol ImplementationsDing Ding, Zhanghan Wang, Jinyang Li, Aurojit Panda16m
Ellsberg implements runtime protocol refinement checking as a local per-node checker (Go implementation) that compares observed send/receive traces to a…
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CEGS: Configuration Example Generalizing SynthesizerJianmin Liu, Li Chen, Dan Li, Yukai Miao17m
CEGS is a system that uses a GNN-based Querier to find relevant device documentation examples, a GNN-based Classifier to map example snippets to target…
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Suppressing BGP Zombies with Route Status TransparencyYosef Edery Anahory, Jie Kong, Nicholas Scaglione, Justin Furuness, Hemi Leibowitz, Amir Herzberg, Bing Wang, Yossi Gilad15m
Route Status Transparency (RoST) introduces a counter per prefix-interface and a shared repository so ASes can cryptographically verify that a route was…
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ValidaTor: Domain Validation over TorJens Frieß, Haya Schulmann, Michael Waidner19m
An HTTP-based domain-validation prototype routes CA fetches through randomized Tor exit nodes using two-hop circuits and containerized workers, achieving 12…
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From Address Blocks to Authorized Prefixes: Redesigning RPKI ROV with a Hierarchical...Zedong Ni, Yinbo Xu, Hui Zou, Yanbiao Li, Guang Cheng, Gaogang Xie15m
Proposes an Authorized Prefix (AP) model and implements it as h2ROV, a hierarchical hashing validator that stores bitmap-encoded ROAs and uses two hash tables…
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PreAcher: Secure and Practical Password Pre-Authentication by Content Delivery NetworksShihan Lin, Suting Chen, Yunming Xiao, Yanqi Gu, Aleksandar Kuzmanovic, Xiaowei Yang14m
A three‑party protocol offloads pre‑authentication to CDNs while keeping real passwords secret, combining OPRF + LSH so the CDN filters wrong attempts and the…
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ClubHeap: A High-Speed and Scalable Priority Queue for Programmable Packet SchedulingZhikang Chen, Haoyu Song, Zhiyu Zhang, Yang Xu, Bin Liu13m
ClubHeap implements a hardware-friendly clustered heap that achieves a CPR of one so it can issue a push+pop every cycle and effectively schedule a flow each…
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Self-Clocked Round-Robin Packet SchedulingErfan Sharafzadeh, Raymond Matson, Jean Tourrilhes, Puneet Sharma, Soudeh Ghorbani16m
Shows a new scheduler called SCRR (Self-Clocked Round-Robin) with a parameter-less algorithm that replaces DRR’s quantum with self-clocking, a Linux…
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Everything Matters in Programmable Packet SchedulingAlbert Gran Alcoz, Balázs Vass, Pooria Namyar, Behnaz Arzani, Gabor Retvari, Laurent Vanbever15m
Presents PACKS, a quantile-based admission and queue-mapping design that approximates both PIFO queues scheduling and admission behaviors using a…
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When P4 Meets Run-to-completion ArchitectureHao Zheng, Xin Yan, Wenbo Li, Jiaqi Zheng, Xiaoliang Wang, Qingqing Zhao, Luyou He, Xiaofei Lai, Feng Gao, Fuguang Huang, Wanchun Dou, Guihai Chen, Chen Tian15m
P4RTC exposes P4 on a run‑to‑completion chip (Huawei 9800 FA1C prototype, 1.2 Tbps, 8 GB HBM) and adds concrete extensions: foreground pipeline and background…
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CATO: End-to-End Optimization of ML-Based Traffic Analysis PipelinesGerry Wan, Shinan Liu, Francesco Bronzino, Nick Feamster, Zakir Durumeric12m
CATO automatically searches hundreds of feature + packet-depth configurations, compiles full serving pipelines and measures them end to end, trading off…
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Mutant: Learning Congestion Control from Existing Protocols via Online Reinforcement...Lorenzo Pappone, Alessio Sacco, Flavio Esposito17m
Mutant is an implementation that runs a kernel protocol manager plus a user-space learner to switch among up to six in-kernel TCP schemes with a 10 ms…
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Resolving Packets from Counters: Enabling Multi-scale Network Traffic Super Resolution...Xizheng Wang, Libin Liu, Li Chen, Dan Li, Yukai Miao, Yu Bai16m
ZOOMSYNTH reconstructs packet-level traces from second‑level counters by stacking a transformer that models trends with an extreme‑value branch into a tree of…
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BFTBrain: Adaptive BFT Consensus with Reinforcement LearningChenyuan Wu, Haoyun Qin, Mohammad Javad Amiri, Boon Thau Loo, Dahlia Malkhi, Ryan Marcus17m
System adapts to live conditions by measuring metered features and using a decentralized deterministic RL agent on each node to agree on protocol changes, then…
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