Shulou(Shulou.com)06/03 Report--

Is the CVM ECS physical? No, ECS integrates a large number of physical server clusters into a pool of virtual CVM resources that are easy to manage, while ensuring logical separation between different applications.

CVM ECS is a kind of server built by virtualization technology, which belongs to virtual server product. The technical principle is to virtualize multiple parts similar to independent servers on a group of cluster servers, and each server in the cluster has an image of the cloud server.

Cloud servers are based on cloud computing technology. Cloud computing is a pay-per-use model, which provides available, convenient and on-demand network access, allowing users to enter a configurable pool of computing resources. Resources include network, server, storage, application software, services and so on.

The equivalent of cloud hosting companies turn their hardware and network lines into a "cloud", and then provide some network interface API to this "cloud" for many customers to use. At this point, each customer no longer shares a particular server, but all the servers in the cloud.

The cloud centralizes computing resources and manages them automatically through specialized software. Users can dynamically apply for some resources to support the operation of various businesses, and obtain computing and storage capabilities from the "cloud" without building their own servers, so as to improve efficiency, reduce costs, and focus more on their own business and innovation.

CVM leasing reduces the operating costs of facilities, frees system administrators from the heavy management of physical servers, OS, middleware and compatibility, reduces the frequency of manual intervention, and makes host leasing management more powerful and convenient. Cloud servers can easily increase resources and expand service capabilities exponentially. Users only need to put in little management work or have little interaction with cloud service providers.

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