Author

Hwangnam Kim

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Preprint Jul 2026

Cross-IP Request Coalescing: Relocating the Fan-out Point in Virtualized I/O

This letter proposes cross-IP request coalescing, which relocates the fan-out point from the guest to the SPDK vhost-user backend, and achieves up to 1.78x lower latency than the per-device baseline, with the benefit growing as concurrency increases.

Kiseok Kim, Hyeontae Joo, Hwangnam Kim · 0 citations