BSD Jails, a Better Virtual Server?
gManZboy writes "Poul-Henning Kamp, a FreeBSD committer, has an article up about BSD Jails as part of Queue's special report on virtual machines. He describes BSD's interesting 'semi-permeable' approach to VMs, and the importance of security in VM architectures. The article is co-written by Robert Watson, a DARPA principal investigator in the Host Intrusion Protection (HIP) Research Group at McAfee Research."
I just saw a blog post today, about user mode linux, and the grief it inflicts:
r e/ misc/manoj.2004.07.27.html
http://www.golden-gryphon.com/blog/manoj/softwa
I don't know that's not a direct answer to your question, but I think it's one of the main differences between doing this sort of thing on BSD and Linux.
Solaris 10 zones are based on the same idea.