Abstract:Cluster-scale full-stack simulation is essential for evaluating distributed software stacks and emerging hardware components before deployment. Such simulation must achieve both full-stack fidelity for the unmodified production stack and the simulation performance required for iterative configuration exploration. However, no existing method achieves both. We present LiveStack, an OS-level approach to cluster-scale full-stack simulation built on top of the Linux virtualization stack. LiveStack comprises four subsystems: simulation-oriented scheduling, live memory hierarchy management, simulation-aware IPC, and distributed simulation orchestration. Together, they coordinate live and modeled components under shared simulated time while controlling interference among co-located live hosts. These mechanisms point toward simulation-native OS support, where simulation control and orchestration become core OS responsibilities.
From: Yiliang Wan [view email]
[v1]
Wed, 17 Jun 2026 11:40:36 UTC (156 KB)
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