When shopping for cloud desktops, we often shop around to pick out the best value for money. But here comes the question. If we even get the three views wrong, what is the future blueprint? Let Micronet analyze how to choose cloud desktop for you today.
Generally speaking, we will consider functions, performance, price, service, scalability, stability, ease of use, management and maintenance and other factors according to personal taste needs. Many factors can be directly judged in the dating (pre-sales) stage, but only the intrinsic characteristics (performance) need to be slowly understood in actual interaction (use). This intrinsic quality (performance) is what we call the three perspectives.
To judge whether the cloud desktop performance is high quality, the most intuitive indicator is to see when the end user runs the cloud desktop: 1. fluency; 2. Response speed; 3. Definition of picture and audio; 4. User density.
Fluency refers to the connection degree of operation or picture. In short, it refers to whether the mouse is dragging/scrolling or the video is stuck when playing; Response speed refers to the response time of executing actions. For example, when the mouse is dragged or the keyboard is input, whether the screen pointer/window/text can follow up in real time, or whether the application can be opened quickly; The definition of picture and audio refers to whether the picture is clear, whether the color is distorted, and whether the sound is true and clear; User density refers to the maximum number of users that can be carried under the same network conditions and host configuration.
There are three important factors that affect the cloud desktop:
1. Well configured host
Focus on CPU, memory and disk, no need to configure independent graphics card. The cloud desktop cannot directly call the physical graphics card for 3D rendering (but can support 2D graphic design). At present, only a few cloud desktops support the graphics card virtualization technology, and they must cooperate with the specified model of special graphics card and software, which is expensive. Therefore, the conventional virtual machine for school e-classroom and office applications does not need to be configured with an independent graphics card.
2. Stable network
The data between the virtual machine and the terminal is transmitted through the network. Therefore, a stable, efficient and bandwidth sufficient network environment is one of the important factors to ensure good cloud desktop performance. It is generally recommended to use a standard 10/100/1000 Mbps or above LAN connection between the host and the cloud terminal. The specific network architecture depends on the actual needs. The specific bandwidth consumption per user varies from tens of K to hundreds of K (such as WORD) or from several M to tens of M (such as video) depending on the running applications and desktop transport protocols.
3. Efficient desktop transport protocol
The desktop transfer protocol is an important part of the cloud desktop solution. It directly stipulates the data transmission mode of the virtual machine and the cloud terminal, and is a set of rules for orderly and efficient data transmission between the virtual machine and the cloud terminal. People often say "whether the desktop is fast or not" and "whether the number of users is large or not". They are asking whether the desktop transport protocol is efficient or not.
An efficient desktop transport protocol is to achieve faster data transmission and higher resource utilization with better algorithms, so as to deliver a smooth, short response time, clear picture and sound, and high user density cloud desktop solution.
Therefore, the desktop transport protocol is the technical core of cloud desktop manufacturers.
For hosts, if other conditions are the same, the better the host configuration, the higher the user density. But the host itself is not a product that cloud desktop manufacturers must provide, because young partners can buy it by themselves. The only reason is that the deployment process of some domestic cloud desktop solutions is relatively complex, which requires professional personnel from manufacturers to complete. Therefore, for the convenience of customers or other business factors, manufacturers simply install and configure their own cloud desktop software on the virtual machine, and then bundle it with customers, which is what we call "one-stop" attentive service.
For the network, its stability directly affects the stability of the cloud desktop. Generally speaking, the data of the host and cloud terminal depends on the internal LAN transmission. For the external network, it depends on your own needs, and you can buy it from the telecom operator.
In fact, with the same desktop transport protocol, cloud desktops of different architectures have different impacts on the resource utilization of hosts. The host resource utilization rate of the shared cloud desktop is higher than that of the virtual cloud desktop (related reading: the principle difference between the two cloud desktops). Because the shared cloud desktop can directly use the host hardware resources; The virtual cloud desktop calls host hardware resources through the middle virtual layer. In the virtual cloud desktop, the resource utilization rate of the Class I bare metal version of virtual software is higher than that of the Class II virtual software (based on the installation of virtual software on the system).
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