[Lxc-users] OUI

Ryan Campbell ryan.campbell at gmail.com
Wed Oct 19 19:08:46 UTC 2011

On Wed, Oct 19, 2011 at 10:51 AM, Robert Pendell
<shinji at elite-systems.org> wrote:
> On Wed, Oct 19, 2011 at 3:01 AM, Papp Tamas <tompos at martos.bme.hu> wrote:
>> On 10/19/2011 12:36 AM, Derek Simkowiak wrote:
>>> But actually I think, lxc-virt.org sounds better.
>>     I disagree with lxc-virt.org.
>>     The difference between "container" and "virtual machine" is already
>> confusing enough.  There is no virtualization layer in LXC, so I don't
>> think
>> "virt" should be part of the official name.
>> What is the definition of the virtualization layer?
>> tamas
> For me I have 3 terms for guest environments that have defined meanings
> behind them (at least mentally)

OK, but Operation System-level Virtualization is an accepted term for
what LXC is doing:


It is virtualization without the virtual machine.

> Virtual machine = An isolated environment that provides emulated hardware to
> a guest OS.  This guest OS is largely unaware of the host but may gain
> performance improvements from host features like Intel-VTx or AMD-V.
> Virtualization Layer = An application that allows code written for one
> platform to run on another or provides transparent translation of one
> platform's codes or functions to another platforms equivalent.  An example
> is like Wine or Qemu when it is translating binary instructions. i.e -
> Running ARM compiled code on x86 platform.
> Container = An isolated environment that provides direct hardware access and
> emulates little to no components.  Access to the hardware may be restricted
> by the container implementation for security or isolation purposes.  Some
> container implementations require a custom kernel and guest containers may
> run their own kernel depending on how it is implemented.
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