Servers are powerful machines designed to perform complex and specific tasks. It’s common for IT teams to assign a task or application to a server, but this often results in underutilization of capacity and higher maintenance costs. Server virtualization uses a hypervisor to divide your physical servers into multiple virtual servers, each running its own operating system. This allows you to harness the full power of your physical servers to significantly reduce hardware and operating costs.
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Application virtualization and desktop virtualization
In the context of virtualization, it is not necessary to simulate an entire server, since this technology is also capable of virtualizing application layers or individual workstations:
- With application virtualization, users can run applications in a separate form, regardless of the operating system used. In particular, this allows you to run a Windows application on a Linux or Mac operating system.
- The desktop virtualization allows users to simulate a desktop load, to access a remote station from a connected device, such as a thin client at a desk. Desktop virtualization thus enables more secure portable access to data center resources.
With the widespread use of virtualized environments, many companies are also virtualizing their networks. Network virtualization is the process of dividing available bandwidth into independent channels, each assigned to a server or device, as needed. Network virtualization facilitates network programming and provisioning tasks, such as load balancing and firewall protection, without having to touch the underlying infrastructure. Typically, IT teams manage software components using a software-based management console (also known as a software network or SDN). Another method is the virtualization of network functions, which consists in virtualizing the hardware appliances offering dedicated functions for a network (such as load balancing or traffic analysis), in order to facilitate the provisioning and management of these appliances. As needs change, the Network virtualization simplifies the way IT teams deploy, scale, and adjust workloads.
Storage virtualization occurs when the physical storage space of multiple devices on a network is unified into one virtual storage appliance, managed from a central console. To virtualize storage, you need virtualization software that can identify the capacities available on physical devices, and aggregate those capacities into a virtual environment. To end users, virtual storage looks like a standard physical hard drive. Virtual storage is a key component of a hyperconverged infrastructure IT strategy and enables IT administrators to streamline storage activities such as backup, archive, and recovery.
Data virtualization allows an application to access and operate data without needing the details of the physical location or format of that data. This allows you to create a data representation from multiple sources without moving or copying that data. This data aggregation is done with data virtualization software, which integrates and virtually visualizes this data through a dashboard, allowing users to access large sets of data from a single point, wherever they are. data is stored. Data virtualization is essential to any type of analytics or intelligence application.