Windows Docker and Windows Nano Server come!

Today basin up an early morning, 6 points not to wake up, open the mailbox a look, the guy, by Windows Docker big news to brush screen!

First of all, let's look at Nano Server.

What is Nano Server?

The basin is understood to be a cloud os! specifically for Windows Azure and Docker From a developer's point of view, Docker is a PAAs-like technology that shows off packaged applications rather than maintaining the operating system as traditional virtualization requires.

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For Docker, all containers are shared kernels, and the kernel is as small as possible. For Linux, everyone knows that CoreOS is specifically for Docker, and Google is said to be building its own ultra-miniature Docker OS, lightweight ubuntu!

So for Windows Docker, there should also be a bottom OS that can be equipped with Docker, so Nano server came into being, this is the Times to make heroes!

From this blog, the Nano server has an excellent advantage, it is completely stripped of the GUI (you are not mistaken), and the server Core,server Core just replaced the GUI with the Cmmand shell.
Http://blogs.technet.com/b/windowsserver/archive/2015/04/08/microsoft-announces-nano-server-for-modern-apps-and-cloud.aspx

Because it is extremely streamlined, its restart time is very fast, blog video shows that its restart time of only 28 seconds less than!

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In addition, the Nano server is very slim in volume. The blog said the volume can be reduced by 93%! See the online foreign tested friends said, its VHD file only four hundred or five hundred trillion! Do not know true and false ^_^

Such a petite figure, of course, greatly reduces the number of patches, the blog on the statistics reduce the number of critical patches 92%. If you check the number of critical patches for 2014, traditional Windows has about 23 patches, then Nano server is extremely streamlined, so by 92%, there are up to 2 patches!

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This is similar to Hyper-V, Hyper-V uses micro-core technology, its hypervisor only about 1MB, so the basin has been counted, from 2008 to 2013, Hyper-V has a total of 2 patches, while the same time VMware VSphere 4.0 a total of 45 patches. Refer to the basin hand statistics produced ppt.

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At that time this ppt "VMware you do not", basin has also been in the team inside the game to share, brothers support, I also got the first place, got a very soon released surface RT Miles!

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Say surface quality is still a lever, to now all aspects are fine, continue to work hard to serve for me.

Windows Docker comes!

Windows Docker's footsteps are getting closer, and Microsoft has long had a variety of container isolation technologies, such as Hyper-v,softgrid (now called App-V), Terminal Services (now called RDS), and upcoming docker!

To help you better understand the advantages of these isolation techniques, the basin has compiled a simple form based on the material already in hand. Since we don't know what Windows Docker is, it's a rough part of what's involved with Docker, but that's the reason.

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You can see that Hyper-V has the most complete isolation capability, the highest security, but this is the cost of hardware virtualization, its resource overhead is relatively large, is a relatively heavy container technology.

And SoftGrid, is mainly used in the client application software batch deployment sandbox technology, its advantage is the high resource utilization. But because the same host is running as the same user, so security is slightly lower (Daniel Mark Russionovich once said that desktop is the security boundary!) )。 While SoftGrid also lacks a high availability scenario, it is generally more appropriate for client applications than for server scenarios.

Terminal Services, which uses session isolation technology, has a higher resource utilization ratio than Hyper-V and is more secure than SoftGrid. However, the session itself has additional overhead compared to SoftGrid. For session isolation techniques, you can refer to Windows internals. We can use the WinObj in Sysinternals Suite to see the session isolation technology. You can see Terminal Services isolate the desktop that different users see by constructing a new window station namespace (the Windows portion of the drawing), and by isolating the Basenamedobjects namespace, you can isolate (or instantiate) your own shared objects (for example, memory segments, Mutexes and events):

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Windows Docker uses application-level container technology, so resource utilization can be like SoftGrid, and the extra overhead of disk and memory (which should be higher than SoftGrid, but far less than Terminal Services), is more secure and highly available.

In the following blog, Microsoft also mentions the introduction of a kind of called Hyper-V container technology, although the blog did not mention its technical details, but the basin can be bold to guess this is the integration of Hyper-V and Docker technology, This can theoretically support both Linux and Windows Docker (note that these two types of Docker are incompatible!). So it needs to be encapsulated via a virtual machine).
http://blogs.technet.com/b/server-cloud/archive/2015/04/08/ Microsoft-announces-new-container-technologies-for-the-next-generation-cloud.aspx

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With Windows Docker, plus Hyper-V Container, this consolidates Windows Nano server and System Center, and for IT Pro, new opportunities come!

Hua Four also good, then scan the following QR code attention, you can also directly add the number: sysinternal

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This article is from the "MVP Basin" blog, please be sure to keep this source http://markwin.blog.51cto.com/148406/1630498

Windows Docker and Windows Nano Server come!