Server Virtualization | Uses | Approaches | Advantages | Cloud Computing - 19
Server Virtualization | Uses | Approaches | Advantages | Cloud Computing - 19
It is the division of physical server into several virtual servers and this division is mainly done to improvise the utility of server resource. In other word it is the masking of resources that are located in server which includes the number & identity of processors, physical servers & the operating system. This division of one physical server into multiple isolated virtual servers is done by server administrator using software. The virtual environment is sometimes called the virtual private-servers.
In this process, the server resources are kept hidden from the user. This partitioning of physical server into several virtual environments; result in the dedication of one server to perform a single application or task.
Uses of Server Virtualization:-
To centralize the server administration
Improve the availability of server
Helps in disaster recovery
Ease in development & testing
Make efficient use of server resources.
Approaches to Server Virtualization:-
Virtual Machine model
Para-virtual Machine model
Operating System (OS) layer Virtualization
Advantages of Server Virtualization:-
Cost Reduction: Server virtualization reduces cost because less hardware is required.
Independent Restart: Each server can be rebooted independently and that reboot won't affect the working of other virtual servers.
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