Author

Guo Chen

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Preprint Sep 2026

Breaking the Duplex Barrier: Lane-Granularity OCS Scheduling for LLM Training

Optical circuit switch (OCS) can reconfigure physical connectivity to match the predictable communication schedules of large language model (LLM) training. Although each OCS light path is physically simplex, existing demand-aware OCS schedulers allocate capacity in duplex-port pairs, forcing equal bandwidth in both dir...

Bang-Bo Liang, Yu-Peng Chen, Si-Cheng Zhao et al. · 0 citations

Preprint Sep 2026

Cross-Model Autoscaling for Shared LLM Serving

Multi-model LLM serving is moving toward shared MaaS clusters, where co-hosted models compete for a fixed GPU budget while each model experiences time-varying demand and must satisfy its own latency SLO. Existing LLM autoscalers remain largely model-local: their signals expose local runtime activity or delayed latency...

Xin Zhang, Xian-Yan Xie, Zhen He et al. · 0 citations