Published on Tue May 26 2020
Study of Firecracker MicroVM
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Firecracker is a virtualization technology that makes use of Kernel Virtual
Machine (KVM). Firecracker belongs to a new virtualization class named the
micro-virtual machines (MicroVMs). Using Firecracker, we can launch lightweight
MicroVMs in non-virtualized environments in a fraction of a second, at the same
time offering the security and workload isolation provided by traditional VMs
and also the resource efficiency that comes along with containers \cite{b1}.
Firecracker aims to provide a slimmed-down MicroVM, comprised of approximately
50K lines of code in Rust and with a reduced attack surface for guest VMs. This
report will examine the internals of Firecracker and understand why Firecracker
is the next big thing going forward in virtualization and cloud computing.