Does KVM suffer from ACK-compression as you increase the number of VMs?

Andrew de Andrade
2009-05-19T21:22:26Z

I recently read the following paper from 2004 that discusses ACK-
compression in a VMware GSX 2.5.1 environment.
http://www.cs.clemson.edu/~jmarty/papers/ccn2004.pdf

I was wondering if anyone had checked to see if KVM also suffers from
ACK-compression as you increase the number of VMs on each host
(increasing virtualization overhead)?

If it does suffer delays, what solutions exist for remedying this?

In addition to that, I was also curious what the maximum number of VMs
people have been able to fit on a host, and what bottlenecks they
encountered as they reached a maximum level of VMs before things fell
apart.

thanks,

andrew