MESSAGE
| DATE | 2005-04-06 |
| FROM | From: "Inker, Evan"
|
| SUBJECT | RE: [hangout] First Look at SUSE LINUX 9.3 Professional
|
Yes it is...
The Xen virtual machine monitor
Modern computers are sufficiently powerful to use virtualization to present
the illusion of many smaller virtual machines (VMs), each running a separate
operating system instance. Successful partitioning of a machine to support
the concurrent execution of multiple operating systems poses several
challenges. Firstly, virtual machines must be isolated from one another: it
is not acceptable for the execution of one to adversely affect the
performance of another. This is particularly true when virtual machines are
owned by mutually untrusting users. Secondly, it is necessary to support a
variety of different operating systems to accommodate the heterogeneity of
popular applications. Thirdly, the performance overhead introduced by
virtualization should be small.
Xen is a virtual machine monitor for x86 that supports execution of multiple
guest operating systems with unprecedented levels of performance and
resource isolation. Xen is Open Source software, released under the terms of
the GNU General Public License. We have a fully functional ports of Linux
2.4 and 2.6 running over Xen, and regularly use it for running demanding
applications like MySQL, Apache and PostgreSQL. Any Linux distribution
(RedHat, SuSE, Debian, Mandrake) should run unmodified over the ported OS.
In addition to Linux, members of Xen's user community have contributed or
are working on ports to other operating systems such as NetBSD (Christian
Limpach), FreeBSD (Kip Macy) and Plan 9 (Ron Minnich). A port of Windows XP
was developed for an earlier version of Xen, but is not available for
release due to licence restrictions.
Regards,
Evan M. Inker (New York) x. 4615
-----Original Message-----
From: Ruben Safir [mailto:ruben-at-mrbrklyn.com]
Sent: Wednesday, April 06, 2005 8:19 AM
To: Evan Inker
Cc: hangout-at-nylxs.com
Subject: Re: [hangout] First Look at SUSE LINUX 9.3 Professional
>
> This release has generated a lot of buzz in the Linux world due to the
> new features it's sporting. Software such as Xen and Beagle are
> probably the main reason for the excitement,
Xen is not free, correct? Unless something has changed
Ruben
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