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    There currently is no open source hypervisor solutions with a clear and narrow focus on running cloud specific workloads on modern CPUs. All available solutions have evolved over time and try to be fairly generic.

    Amazon’s Firecracker?

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      Firecracker is more a sandbox technology than a hypervisor, but the lines are admittedly blurry.

      Firecracker is a from-scratch implementation with the goal of providing a minimal set of devices that are needed for lightweight VMs.

      NEMU is more like a trimmed-down fork of QEMU with all the goodness that comes with it like KVM compatibility.

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        But isn’t Firecracker exactly the same thing; i.e., an open source, legacy device-free hypervisor, built on top of KVM for running cloud specific workloads on modern CPUs?