SPLVM Virtualized System Meetup

Host: Mossaka

1. Community hosted meetup for discussing anything related to distributed systems, operating systems, database, and networking. Currently focusing on virtualization, tracking course UCSD CSE 291.
2. Schedule
3. Biweekly Zoom meeting on Monday at 5pm PDT
4. Code of Conduct
5. Please use “Raise Hands” feature on Zoom
6. Welcome to unmute or comment in chat at ANY TIME!

IO Virtualization

Goal

Multiplexing devices across guest VMs

Challenges

1. Each guest OS has its own device driver
2. How can one device be controlled by multiple drivers?
3. What if one guest OS tries to format its disk?

Direct Access: VM exclusively owns a device

Positvies

1. Fast
2. Simplify hypervisor

Negatives

1. not able to migrate VM