What does bare metal server mean? What is the difference from a cloud server?

What does bare metal host mean? Recently, this site recommended several bare metal host discounts. Some users left messages asking what a bare metal host is and what are the differences from regular cloud hosts? So today, this site will briefly introduce the definition of bare metal hosts and which users are suitable for using bare metal hosts.

1. Bare metal host definition

Bare metal host, the English name is Bare Metal Server (BMS), is a computing service that combines the performance of elastic cloud hosts and physical machines. To put it bluntly, bare metal hosts are also physical hosts, with exclusive physical resources and The physical host has been upgraded. The cloud service provider provides you with an exclusive physical host based on the "cloud", and you are the only tenant.

The bare metal host also does not include the corresponding operating system and software, which are configured by the customer later.

2. The difference between bare metal hosts and cloud hosts

Taking Alibaba Cloud's elastic bare metal hosts as an example, the following table summarizes the differences between bare metal hosts, traditional physical hosts and virtual cloud hosts, as can be seen:

• Elastic bare metal hosts include all the advantages of traditional physical machines and can use "cloud" services;
• Compared with traditional physical hosts/bare metal hosts, cloud hosts share CPU/memory and other resources with other users.

3. Which users are suitable for bare metal hosts

So which users are suitable for choosing bare metal hosts? To sum up, friends who have relatively high requirements on host performance and need exclusive resources can consider bare metal hosts. In more detail, it can be divided into three types of users:

For most users, the performance of conventional cloud hosts is enough. If you don’t know how to choose a cloud host, you can refer to: "Compilation and Recommendation of Stable and Reliable Cheap VPS Cloud Host Merchants in Mainland China/Foreign Countries"; If you want a dedicated server, you can refer to the dedicated server column on this site: Independent Host Discounts.

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