TBH having worked on live- and self-migration on top of Xen, as well as on MicroVMs at Bromium, the startup that coined the term, this feels like history repeating, just with Rust instead of C. I was once told by one of the Bromium founders that they tried to sell the MicroVM idea to AWS, but the AWS guys just took everything they learned in the meeting as inspiration and built Firecracker instead.