seems interesting > -----Original Message----- > From: Haifux - Haifa Linux Club > [mailto:[EMAIL PROTECTED] Behalf Of Muli Ben-Yehuda > Sent: Saturday, January 08, 2005 7:05 PM > To: [email protected] > Subject: [Haifux] Xen and the art of giving talks > > > Dear Haifuxians, > > Would you care to hear a talk on virtualization, hypervisors and > Xen[1][2]? Topics to be covered include a general introduction, design > and implementation of Xen, the new Xen 2.0 IO model and future plans. > > [1] http://www.cl.cam.ac.uk/Research/SRG/netos/xen/index.html > [2] A short overview of Xen, from > http://www.mulix.org/lectures/OLS2004.html: > > Xen is a virtual machine monitor, developed by the University of > Cambridge Computer Laboratory. Unlike VMWare, which provides complete > virtualization, guest operating systems need to be ported to the Xen > environment. So far, Linux 2.4 and 2.6 have been ported, as well as > NetBSD, FreeBSD and Plan9, and Windows XP. The Windows XP port was > done in collaboration with MS Research, and took much longer than the > Linux port... > > Xen works by letting the monitor (hypervisor) run in ring 0, and the > guest OS run in ring 1. Userspace runs in ring 3, as usual. From a > Linux point of view, porting Linux to Xen (refereed to as XenoLinux) > is just a matter of implementing the arch specific hooks in Linux - no > core kernel files are modified! > > Xen provides secure protection between VMs (unlike e.g. coLinux), > allows flexible partitioning of resources, and supports seamless > low-latency migration of running VMs(!). They also claims impressive > performance numbers, within 3% of the host performance. > > Cheers, > Muli > -- > Muli Ben-Yehuda > http://www.mulix.org | http://mulix.livejournal.com/ > >
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