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Author

Ran Shu

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Programmable Scale-Up Switches for Software-Defined GPU Fabrics

It is argued that scale-up fabrics should become software-defined, as programmable switches did for Ethernet over the past decade, and that the switch is the natural place to begin.

Shou-Xu Lin, Ran Shu, Jia-Xin Lin · 0 citations
Book Open access Aug 2026

PIN: Less Is More for RDMA Load Balancing

PIN is presented, a lightweight wrapper that layers on top of any existing fine-grained RDMA load balancer, showing analytically that practical thresholds preserve overall load-balance fairness while reducing short-flow exposure to temporarily slower paths.

Jichun Wu, Ran Shu, A. Moore et al. · 0 citations
Book Open access Aug 2026

Nüwa: A Generative Control Plane for AI Network Simulation

Nüwa is presented, which views routing as a compilation problem, it leverages the hierarchical and symmetric structure common in AI fabrics and compiles a declarative topology description together with routing policies into compact forwarding artifacts that are fast to generate and efficient to look up.

Wenkai Li, Ran Shu, Peng Zhang et al. · 0 citations
Book Open access Aug 2026

OptiFlow: Towards LLM-Driven Optimization of Collective Communication Algorithms

OptiFlow is presented, among the first LLM-driven frameworks for automated design of high-performance collective communication algorithms, with key insight is a two-layer decomposition: the LLM generates compact data-movement intent expressed in a domain-specific language, while deterministic scheduling algorithms comp...

Fei Long, Ziyue Yang, Kaihui Gao et al. · 1 citation
Book Open access Aug 2026

STORM: Enabling Traffic Scheduling for RDMA

STORM is presented, a NIC-level scheduler for all types of RDMA workloads using NIC-only information: the known RDMA request size, and per-queue-pair backlog, and converts these signals into a small number of extra priority levels on the wire and prioritizes requests that are either near completion or blocking queued d...

Jichun Wu, Ran Shu, Gianni Antichi et al. · 0 citations

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