AWS EC2 Virtualization 2017: Introducing Nitro
Brendan Gregg
NOVEMBER 29, 2017
Paravirtualization**: The hypervisor provides efficient hypercalls, and the guest OS uses drivers and kernel modifications to call these hypercalls. Enter paravirtualization, originally introduced in Xen, where the guest has been modified to be aware of the hypervisor and to make efficient hypercalls. 0% performance overhead.
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