In our daily life, we often hear the words "server" and "cloud server". It seems that we are very familiar with them, but it seems that people who are far away from us and have a little knowledge can not understand the difference between them. They often feel confused. In the view of Micronet, servers and ECS seem to be similar, but there is still a big gap between them. Today, Micron Network will give you an in-depth explanation on the gap between them.
Different operation modes
Today's virtualization is different from the early days. Many IT infrastructure service providers, such as VMware, Microsoft, etc., are accustomed to calling virtualization products cloud computing when promoting. This concept is only the initial stage of cloud computing. Virtualization is an important supporting technology of cloud computing.
Cloud server refers to the formation of a cloud resource pool from the bottom servers of scale through intensive and virtualization, and then the allocation of computing resources from the resource pool.
Usually, a general server can also use virtualization technology to split a large number of virtual private servers, which is often referred to as VPS. Virtual deployment enables both to rapidly deploy and freely configure resources, but ECS is faster.
Different elastic allocation of resources
The cloud server can flexibly adjust resources, which means that we can freely increase or decrease resources, such as CPU, memory, disk, bandwidth, etc., but we should also know that in addition to the flexible adjustment of resources in a single cloud server, we can also flexibly adjust resources in virtual machines.
This kind of cloud server makes it really convenient for us to realize the free combination of resources in the way we need to adapt to the increasingly diversified enterprise application needs. It is also a difference between ECS and ordinary servers.
Generally, server resources are limited by the configuration of a single server. If resource expansion is required, technicians need to add disks or memory modules on the physical server hardware. The time cost of this process is difficult to support the flexible changes of enterprise application requirements.
Different node sizes
The computing resources of cloud computing servers are obtained from a large number of integrated virtualized physical server scheduling. From the perspective of node size, this virtualization can be several, dozens, or hundreds of physical servers, or it can be a large cloud virtual resource pool composed of thousands of physical hardware across the data center.
For example, we know that Cloud Hong Kong ECS and domestic ECS connect the two through a virtual data center to achieve interoperability. Therefore, the scale of ECS nodes is highly scalable.
The node size of general servers is limited by the hardware environment such as cabinets and machine rooms and the degree of virtualization.
As a result, ECS, especially the public cloud, has strong scalability and flexibility. It has great advantages over general servers in resource utilization, and also has great advantages in resource scheduling scale and speed of ECS.
Different distributed storage
The cloud server uses distributed storage. For example, we know that the cloud service uses the ceph distributed storage system, which is characterized by good scalability, high performance, and high reliability.
It can achieve real-time multi copy disaster recovery, no single point of failure, can effectively avoid multiple failures, and support the elastic expansion of storage resources, so that ECS has hot migration and other functions.
Generally, servers cannot realize distributed storage. Once a hardware failure occurs, data security will face the risk of serious loss, damage, or even irrecoverability. Therefore, enterprises usually adopt RAID10 array security strategy. However, this requires high costs such as hardware purchase, which increases the financial burden of enterprises.
The above is the explanation of the gap between ECS and servers summarized by Micronet. I believe it will be very helpful for those who do not understand their relationship. Micronet is one of the few professional cloud computing service providers in China with MIIT cloud service license and trusted cloud certification, and has obtained high-tech enterprise certificate, CNNIC IP address assignment alliance member certificate, system software copyright certificate, and the authoritative certification of ISO27001 information security management system international certification, ISO9001 quality assurance system international certification and other professional institutions at home and abroad, At present, it has provided perfect cloud server related services for tens of thousands of users. Its technical support comes from Huawei Cloud, so it is more reliable if it has strength.
