Kai Chen
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| title | conference | date |
|---|---|---|
| PolicyCache: Intra-flow Learning in Congestion Control | NSDI '26 | 2026-05-04 |
PolicyCache claims intra‑flow learning that trains and runs a nonparametric Hoeffding Adaptive Tree (HAT) inside each flow, plus backup exploration and micro… | ||
| CascadeNet: Generating Network Traffic with High-Fidelity Temporal Patterns | NSDI '26 | 2026-05-04 |
CascadeNet generates traces by converting each flow into an aggregated per-flow time series and then using CascadeGAN hierarchical generators (MLP → LSTM →… | ||
| Enabling Efficient GPU Communication over Multiple NICs with FuseLink | OSDI '25 | 2025-07-07 |
FuseLink remaps GPU-side network buffers to relay traffic over high-speed intra-server fabrics (MVLink/MLink) so idle 400G RDMA NICs act as a merged “super… | ||
| Towards Optimal Rack-scale μs-level CPU Scheduling through In-Network Workload... | USENIX ATC '25 | 2025-07-07 |
Pallas partitions rack traffic at the ToR so each shard has homogeneous CPU demand, uses a P4-programmed ToR switch for classification and per-group JSQ-style… | ||
| Accelerating Distributed Graph Learning by Using Collaborative In-Network... | USENIX ATC '25 | 2025-07-07 |
Offloads GNN multicast and many‑to‑one aggregation into the network using a P4 programmable switch and DPDK host stack, implements graph-aware multicast… | ||
| FLB: Fine-grained Load Balancing for Lossless Datacenter Networks | USENIX ATC '25 | 2025-07-07 |
FLB claims to balance RoCE traffic by combining threshold-free rerouting for uncongested flows with congested-flow isolation when queues near PFC thresholds… | ||
| GREEN: Carbon-efficient Resource Scheduling for Machine Learning Clusters | NSDI '25 | 2025-04-28 |
GREEN monitors per-job power with NVML readouts (plus CPU estimates) and integrates carbon intensity every 30s, uses an energy efficiency optimizer to scale… | ||
| Efficient Decentralized Federated Singular Vector Decomposition | USENIX ATC 2024 | 2024-07-10 |
Excalibur is a decentralized federated SVD system that replaces external servers with a multiplicative matrix sharing scheme and a communication-optimized… | ||
| Flow Scheduling with Imprecise Knowledge | 21st USENIX Symposium on Networked Systems Design and Implementation (NSDI '24) | 2024-04-16 |
QCLIMB uses random forest regression forests to produce per-flow lower and upper bounds (over 99.9% of flows are tightly bounded) and runs a low-bound-based… | ||
| Accelerating Neural Recommendation Training with Embedding Scheduling | 21st USENIX Symposium on Networked Systems Design and Implementation (NSDI '24) | 2024-04-16 |
A runtime embedding scheduler called Herald decides where embeddings are trained and which to sync, using an adaptive location-aware inputs allocator and an… | ||
| Towards Domain-Specific Network Transport for Distributed DNN Training | 21st USENIX Symposium on Networked Systems Design and Implementation (NSDI '24) | 2024-04-16 |
MLT is a domain-specific transport for distributed DNN training that implements a 3-step progressive scheme: (1) per-packet load balancing across multiple… | ||
| SRNIC: A Scalable Architecture for RDMA NICs | NSDI 2023 | 2023-04-17 |
Presents SRNIC, an FPGA prototype RDMA NIC architecture that removes on‑chip structures via protocol header extensions, cache‑free QP scheduling, and… | ||
| FLASH: Towards a High-performance Hardware Acceleration Architecture for Cross-silo... | NSDI 2023 | 2023-04-17 |
Identifies nine real-world cryptographic operations that dominate cross-silo federated learning and shows they all reduce to two primitives, modular… | ||
| Tiara: A Scalable and Efficient Hardware Acceleration Architecture for Stateful Layer-4 | 19th USENIX Symposium on Networked Systems Design and Implementation (NSDI '22) | 2022-04-04 |
Tiara splits stateful L4 load balancing into memory-heavy real-server selection on FPGAs with HBM and throughput-heavy encapsulation on a programmable switch… | ||
| Demystifying the Vetting Process of Voice-controlled Skills on Markets | UbiComp 2021 | 2021-09-21 |
Paper reverse-engineers skill vetting and shows concrete weaknesses: a relevance-based Turing test using ConceptNet distinguishes human vs machine vetters… | ||
| Using Sonar for Liveness Detection to Protect Smart Speakers against Remote Attackers | UbiComp / ISWC 2020 | 2020-09-12 |
A sonar-based liveness detector emits an inaudible wide-band ultrasonic pulse and analyzes Doppler shifts from reflections using a Raspberry Pi 3B with a… | ||
| PetroChina: Big Oil’s Information System on Cloud Native Technology | KubeCon + CloudNativeCon China 2018 | 2018-11-13 |
PetroChina builds a unified container platform that combines Kubernetes with an Alauda stack to support DevOps, microservice governance and… | ||
| CommanderSong: A Systematic Approach for Practical Adversarial Voice Recognition | USENIX Security '18 | 2018-08-15 |
Automatically generates stealthy voice commands embedded into real songs so ASR decoders accept phrases while human listeners do not. Uses an open-source… | ||
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