NetBSD Adopts NetBSD/xen for Internal Use
agent dero writes "With NetBSD 2.0, the NetBSD Foundation also released support for a new port, NetBSD/xen.
A version of NetBSD meant to run on top of the Xen virtual machine monitor. In this press release the foundation has announced that it is using the port and Xen for much of its internal development, citing security, and ease of use as main reasons for its adoption."
Maybe I'll switch from using Qemu for my kernel sabotage. I would call it kernel hacking but that would indicate some proficiency :-(
Now multiple BSD instances can die on a single machine, securely.
Looks like you need to read harder: NetBSD/xen can run in both privileged and unprivileged virtual machines under Xen 1.2, and in unprivileged virtual machines under Xen 2.0. Perhaps that is the why of it?
I'm sick of following my dreams - I'm just going to ask them where they're going and hook up with them later.
... I could switch between a build world of netbsd, and Counter Strike real fast!!!.
That makes me wonder if I can share one nic between the OSes, or put in two NICs, assign one for each OS.
Apart from Zen, would be cool to do a complete replace-boot, as in the OS state is frozen and written to harddisk (some laptop bioses do this), and the state of another OS is read... making switching between OSes, as fast as reading the same amount of data as your used up ram.
Heck I'll just buy another machine and use a KVM switch.
"Give orange me give eat orange me eat orange give me eat orange give me you." -Nim Chimpsky
Xen has been benchmarked to outperform VMWare in certain applications. In addition, Xen allows you to migrate a domain (instance of client OS) to another machine running Xen, live over the network.
Although, another difference is that the OS must be ported to run on Xen. But Linux, FreeBSD, NetBSD have been ported.
VMWare is a hardware virtualization layer. It exports what appears to be (or damn close to it) a full machine to the OS.
Xen can be thought of as a micro-micro (nano?) kernel. it exports a minimalist subset, just enough to virtualize the hardware, absolutely nothing more. as such it's not that hard to "port" your OS to run on this kernel, but there is work to be done,