What is a cloud server? What is VPS? Are they different?

This site often encounters some host companies promoting vps in the group, but they insist on labeling them as cloud servers, or so-called cloud vps. And some partners also ask what a cloud server is? What is vps? What's the difference? For novice friends, it is still necessary to understand what a cloud server is and what a vps is!

Cloud server

Each cluster node of the cloud server platform is deployed in the backbone data center of the Internet and can independently provide Internet infrastructure services such as computing, storage, online backup, hosting, and bandwidth. The cluster node consists of the following hardware: Management server: adopts a dual-machine hot standby method to manage all computing servers, shared storage, and networks of the entire node, and at the same time provides external APIs to manage the entire node. The management server provides: management service (the computing server of the management node provides external management interface), DHCP service (allocates the IP of the management network segment for the network startup of the computing server), tftp service (provides remote startup image for the network startup of the computing server) Object), nbd service (providing network block device services for computing servers). There is also a data collection program running on the management server, which regularly collects various performance data and sends it to the central data collection server. Storage server cluster: The storage server can be an ISCSI or an x86 server with a relatively large built-in storage capacity. Through the cluster The file system forms a unified storage pool to provide logical disk storage, unstructured data storage and integrated backup services for virtual machines in the node. Computing server group: The computing server is a high-configuration eight-core or above server. The computing server does not need to install an operating system, but it must have a network boot function. It runs a Linux microkernel, cloud computer software, and an Agent switch that communicates with the management server. : Multiple three-layer switches are equipped according to different functions and node performance requirements, which are responsible for management network segments, public network switching network segments, internal switching network segments, storage network segments, etc. Cloud server, to put it bluntly, what you buy with money is not a server, but a cloud with server performance. The effect of using cloud server is actually very similar to that of traditional server. Advantages of cloud computing server:
1. Pay on demand, effectively reducing overall costs;
2. Isolation of hardware resources + exclusive bandwidth;
3. Centralized remote management platform + multi-level business backup;
4. Rapid business deployment and configuration, and elastic expansion capabilities.

vps

Vps is a storage space divided from a server, while cloud hosting is a storage space divided from a cluster server. They have their own independent operating systems and independent IPs, and their operation methods are the same as independent servers. Yes, but cloud hosting is relatively safer than VPS and is equivalent to an upgraded version of VPS. VPS and cloud hosting are similar things, but due to different implementation technical principles, cloud hosting is more stable and secure than VPS.

In fact, the cost of cloud servers is higher than VPS, and the stability is better than vps, but there is still a certain difference from traditional servers! All VPS resources are shared resources. Some hosting providers provide hundreds of servers for one server. How much do you think you will get? It’s not that VPS is bad. In fact, I personally think that VPS still has its own advantages!

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