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cs.NI2026
OMRC: Multipath Reliability for Direct-Connect Optical Interconnects
Eric Ding, Keshav Pradeep, Rachee Singh
Network failures degrade Multipath Reliable Connection (MRC) in direct-connect optical datacenters. We propose Optical MRC (OMRC), which remaps collectives and circuits, preserving…
cs.DC2026
CCL-Bench 1.0: A Trace-Based Benchmark for LLM Infrastructure
Eric Ding, Byungsoo Oh, Bhaskar Kataria +8
Evaluative claims about LLM infrastructure -- ``workload X is fastest on hardware Y with software Z'' -- depend on a complex configuration space spanning hardware accelerators, int…
cs.NI2026
Opus: Photonic Rail-Optimized Fabric in ML Datacenters
Eric Ding, Barry Lyu, Bhaskar Kataria +1
Rail-optimized network fabrics have become the de facto datacenter scale-out fabric for large-scale ML training. However, the use of high-radix electrical switches to provide all-t…