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Wednesday, August 19 • 3:00pm - 3:30pm
virtio-vsock: Zero-configuration host/guest communication - Stefan Hajnoczi

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Modern hypervisors provide services beyond bare virtualized machine environments, like application-consistent backups and guest monitoring. These services involve host/guest communication that has typically been implemented using the virtio-serial device. The virtio-vsock device introduces a new host/guest communication mechanism which, unlike virtio-serial, supports the sockets API. Application code written for the sockets API can be ported with minimal effort. virtio-vsock also differentiates itself from emulated network interface cards because no changes to guest network configuration are required. This makes virtio-vsock more robust and convenient than virtio-serial or emulated network interface cards. This presentation covers virtio-vsock in the context of QEMU Guest Agent and file sharing, two use cases that can benefit from this new virtio device.

Speakers
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Stefan Hajnoczi

Principal Software Engineer, Red Hat
Stefan Hajnoczi has contributed to QEMU since 2010. He currently co-maintains the QEMU block layer together with Kevin Wolf. Now at Red Hat and previously at IBM's Linux Technology Center, Stefan has worked on disk image formats, storage migration, multi-core device emulation, and I/O performance optimization in QEMU. He also maintains the QEMU tracing subsystem and co-maintains the QEMU net subsystem, and is organization administrator for QEMU's... Read More →


Wednesday August 19, 2015 3:00pm - 3:30pm
Grand Ballroom A

Attendees (29)