Cloud servers are the quickest, easiest, and most cost-effective way to deploy application hosting infrastructure across multiple organizations. With the ServerMania Cloud, select your virtual server name, choose an operating system, and click a button. A few seconds later, the cloud server is running and ready to host your software and hardware tools.
The cloud experience is intuitive and user-friendly, but, as you might imagine, users only see the various cloud service providers. Behind the simple, secure, and reliable cloud service is a complex array of hardware, infrastructure, and software.
In this article, we will take a closer look at what a cloud server is and take a peek behind the curtain to help you understand cloud computing services, how cloud servers work, and what happens when you launch a new server on our cloud platform, we compare cloud and dedicated server and know when to use them, including some benefits.
What is a Cloud Server?
A cloud server is a virtual machine running on a cloud hosting platform. Each cloud server is a software construct created using features of the host operating system and virtualization software called a hypervisor. As a cloud hosting customer, you don’t have to manage the server equipment underlying the physical machine, its software, the operating systems, or the hypervisor; the hosting provider takes care of that.
See also: Bare Metal vs. Hypervisor: Which Is Right For Your Project?
To the server’s user, a cloud server behaves just as a physical cloud server, like a physical—or bare metal—server. It has memory, storage, and processors. It runs a Linux or Microsoft Windows operating system and all the software on those platforms. And it is mainly managed by users remotely via SSH or RDP, just like a physical Linux or Windows server.
But, because it is a virtual machine, a cloud server has properties that a physical server does not. The various computing resources available to a cloud server can be accessed remotely and modified in seconds from a cloud control panel—to increase processing power or decrease memory or storage, for example. Cloud servers can be launched in seconds and discarded just as quickly.
Cloud servers are ones and zeroes, not silicon and wire so they can be deployed according to templates written in code, migrated between physical and virtual servers anywhere, and duplicated. Unlike physical servers, cloud servers are controlled through APIs and software, allowing users to manage their servers as easily in code as in the control panel.
How Do Cloud Servers and Cloud Platforms Work?
The physical server and the hypervisor are the two fundamental components that create virtual and physical servers that support a cloud hosting platform.
- The physical server — A powerful computer housed in a remote data center, essentially identical to the machines used in dedicated server hosting. The physical server has an operating system, the host OS, which might be a variant of a standard OS or a specialized operating system purpose-built for hosting cloud platforms. A cloud platform typically uses many physical servers, joined together by the cloud management layer into a unified pool of resources.
- The hypervisor — Software that runs on the physical server and divides resources between numerous virtual machines while mediating communication between the VMs and the underlying hardware. The hypervisor simulates multiple cloud servers and ensures that it’s impossible for users to “break out” of their cloud server to access data stored on other cloud servers or the host machine.
These would allow you to run multiple virtual servers and machines together. Still, a user-friendly and reliable Infrastructure as a Service cloud platform needs additional cloud management software. This is the most important of orchestration software.
Orchestration software automates tasks such as provisioning cloud servers, managing network connections, resizing virtual machines and storage, using virtual private servers, and other functions that transform a collection of servers into a trustworthy cloud platform. Orchestration software allows users to click a button in a web app and have a fully functional cloud server at their disposal seconds later.
Cloud management software handles other essential aspects of the whole cloud environment too. It is responsible for cloud server failover. When a physical server fails or has resource limitations, the management software can immediately migrate it to a different server. Other tasks handled by management software include backups, security and access management, billing, and the interface you use to control your private cloud servers yourself.
We built the ServerMania Cloud on the world-class OnApp cloud management platform and our server and data center infrastructure. Together they provide incredibly reliable, cost-effective, and secure public and private clouds, cloud servers storing data, and hosting solutions.
Dedicated Servers vs. Cloud Server
Dedicated and Cloud servers are complementary technologies; for many scenarios, a cloud server is the right choice, including those where you might have previously chosen a dedicated server.
The benefits of choosing a cloud server include the following key features:
- On-demand resources — Cloud servers are deployed instantly and can be taken down just as quickly.
- Post-payment — Cloud users pay only for the resources their server consumes, for which they are billed at the end of each month. In contrast, dedicated servers are paid for up-front.
- Elasticity — Cloud servers can grow and shrink depending on real-world needs.
- Automation — Cloud servers can be deployed automatically according to predetermined templates, significantly reducing configuration and management time.
However, dedicated servers have a role to play in a cloud computing environment. They are ideal for workloads that require high-performance number-crunching and other scenarios where performance is prioritized over scalability and cost. Dedicated servers remain the most potent single-server hosting platform available.
For most other scenarios in this article, choose a top cloud provider or server with the most cost-effective, scalable, and easy-to-manage hosting option. Cloud providers and servers are ideal for CMS and ecommerce hosting, application hosting, data storage, email hosting, and many other common hosting scenarios.
Click here to learn more and to deploy your first virtual ServerMania cloud server.
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