What are the advantages and disadvantages of VPS?

VPS is a virtual server, a product that separates an independent server through virtualization technology. With the same functions and management as the server, it greatly improves the efficiency of server resource utilization and is an indispensable product for running websites or other programs.Singapore VPS Since VPS is so popular, what are its advantages?

1. Strong scalability. Large and medium-sized websites will require more resources, we may have a news, forums, video, music, blogs, classified issues and other channels, and VPS has its own unlimited scalability,cloud hosting comparison not only can create unlimited subdirectories of the site, but also constantly upgrade the hard disk, memory, etc., to meet the needs of the website construction development and growth.

2. It has a wide range of uses. If you need to generate a website, you can generate it directly in VPS, which is fast and efficient.VPS and servers can be logged in remotely, and you can directly modify, upload, compress, and package the website program, which is very convenient to operate and manage.

3. good independence, VPS has one or more independent IP, is conducive to website search engine optimization. Even if other VPS because of virus attacks and failure, will not affect their own VPS, data security is very high. Of course, the premise is to do a good job of security settings, otherwise the VPS will also be invaded.

4. High stability. Do a website, because all the resources are used by you alone, unlike a web host, sometimes because of some bad space was blocked server, sometimes because the user did not record was blocked the entire server, the number of visits is too much, the number of IIS concurrency shows super resources and so on. Because the general virtual host CPU is limited, so some are limited IIS concurrency. Space problems you also need to find space to restart the server or technical solutions, and you have a VPS, you can restart.

5. Easy to manage. In the background control a key switch, reboot and reinstall the system, you can easily operate the VPS. Windows system can be remote desktop, Linux system can also be installed cpanel, pagoda and other control panels, powerful and easy to manage.

Although VPS has so many advantages, but it is not perfect, also has a lot of limitations:

1. The performance and resources of VPS are based on the server mother ship. VPS performance and resources are based on the server's parent machine. The resources of the parent machine limit the maximum performance of the VPS. Usually, the upgrade space of a VPS does not exceed the upgrade space of the server mother ship. If the server host has a lower configuration, the performance of the VPS will also be affected.

2. VPS is vulnerable to traffic attacks. Although the functions and management of VPS of the same server host are independent, they always share a line and bandwidth. If other VPs are attacked by traffic and block the bandwidth of the mother server, the access of all VPs will be affected.

3. Limits of virtualization. There are many types of virtualization that classify server virtualization as VPS, such as Xen, OpenVZ, KVM, Hyper-V, VMware, LXC, and even many cloud technologies that differ in terms of server resource utilization, performance loss, and architecture. For example, Hyper-V fully supports Windows, whereas Linux has a much greater loss of resources. And OpenVZ only supports Linux, not Windows.In addition, overclocking is used differently.

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