Xen is one of the coolest pieces of software I have ever used. It allows me to partition my box into manageable pieces, for increased security and increased resource utilization. I have been playing extensively with Xen for more than a year and have also written some posts about it.
NetBSD is a lean, mean, fast [...]

Since I first write my first attempt at trying to get VLAN support working under Xen, I’ve received some reports for people stating that it doesn’t work as expected. And they are right.
At the end of the first article, I pointed out I was having problems with UDP traffic. In turn, it was worse than [...]

Xen networking is powerful enough to allow for extreme customization. Although the default networking configuration is usually more than enough for simple scenarios, it can fall short when trying to support multiple guests standing on different VLANs.
In this short article, I describe the steps needed to configure Xen to attach itself to multiple VLANs using [...]

Xen implements paravirtualization to allow for software partitioning.
Xen is an hypervisor that allows running several partitions, called “domains”. Each domain is totally independent, virtualized and solated by the Xen hypervisor, which controls access to the hardware and shares the physical resources among all running domains.
There are two domain classes:

Privileged domain: has some limited access to [...]