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Sunday, January 26 • 12:00pm - 12:25pm
Lightweight VMs for serverless and containers

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Cloud-based services have introduced a new kind of workload composed mainly by short-lived, ephemeral processes. This is a significant departure from traditional virtualization workloads, where VMs (Virtual Machines) are expected to run uninterrupted for a large amount of time, even surviving Host migrations. New needs called for new optimization techniques, which in turn triggered the creation of specialized VMMs (Virtual Machine Monitors) and the adaptation of the existing ones, alongside with the development of new isolation techniques.

In this talk we'll touch the following topics:

- Quick overview of isolation techniques.
- Why lightweight VMs have different needs that traditional VMs
- Implementation of QEMU microvm
- The future
* Hotplug without ACPI (virtio-mem)
* Memory Encryption (SEV)
* HW-assissted Trusted Execution Environments (Enarx)

avatar for Sergio Lopez Pascual

Sergio Lopez Pascual

Principal Software Engineer, Red Hat
Software Engineer working in the Virtualization Team.

Sunday January 26, 2020 12:00pm - 12:25pm CET
D0207 Faculty of Information Technology Brno University of Technology, Božetěchova, Brno-Královo Pole, Czechia