Virtual Hosting
The term virtual hosting can be mixed up with cloud computing for a good reason as Virtual Hosting is one of the example of utilizing cloud computing.
Traditionally, a physical server will be gagged by its hardware when taking into consideration ROI (Return on investment) is the main concern. As a result a $10,000 server can turn into a door stop within a year or two .Virtual machines offer numerous advantages over their physical counterparts.
Hardware flexibility with its hardware, you can easily add or reduce the server’s memory, add or remove a processor, add a virtual disk or increase an existing disk’s size by shutting the VM down and changing it’s settings.
snapshot feature - that lets you save the state of the server in case you need to restore it later on. This feature can be a real lifesaver when patching or upgrading applications on servers.
Server Management - Manageability of virtual servers is also easier because you can easily connect to the servers console remotely without the need for special remote access the hardware
Clone a server - You can also easily clone virtual servers and create templates to quickly create new ones.
Hardware is consistent - virtual servers see the same virtual hardware (except for processors) regardless of the physical hardware that they are hosted on. This ensures that your applications all run on similar hardware to eliminate problems that may arise from dissimilar hardware.
Energy cost - the virtual server uses fraction of the energy an equivalent physical server is using; saving you on a utility bill
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