| The method of Virtualization enables the functioning | | | | a result of the extension of hardware resources. |
| of several independent operating systems from a | | | | - Operating Systems - Virtualization of the Operating |
| single computer. In this way the physical resource | | | | Systems means the kernel of the OS allowing several |
| output of hardware is maximized for optimum gains. | | | | user space guests in place of only one. It also |
| Technological advancements have made inroads into | | | | enables virtual hosting environments. It also enhances |
| the manufacture of software that utilizes physical | | | | security, hardware independence among certain other |
| resources like a server and splits it into virtual | | | | features. |
| resources that are called Virtual Machines. | | | | - Hardware Virtualization - In this there is a |
| The use of Virtual Machines enables a large number | | | | virtualization of computers where users are hidden |
| of facilities in computing. | | | | from the physical features of a computing platform. |
| - It helps in the consolidation of physical resources | | | | An abstract computing platform is shown in its place. |
| - Power requirements are minimized | | | | Hardware assisted virtualization enables architectural |
| - Cooling environment requirements are minimized | | | | support that helps to build a virtual machine monitor |
| - Implementation and administration is simplified Areas | | | | and guest operating systems to function |
| of Computer Virtualization | | | | independently. |
| There are several ways that the concept of | | | | - Datacenter Virtualization - the process of |
| computer virtualization is useful and thus implemented. | | | | virtualization can be implemented in four ways in the |
| It is extremely useful in the arena of servers and | | | | functions of a datacenter. These are networking, |
| their functioning but is also instrumental in benefits for | | | | storage, computing and security. Storage virtualization |
| the following areas. | | | | is very helpful as it enables several distinct storage |
| - Consolidation of Server Functions - Virtualizationis a | | | | racks within a single virtual storage pool. In case of |
| means of achieving high server density. In this way a | | | | computing virtualization cross platform server |
| server administrator uses the software application to | | | | virtualization has been developed that allows |
| divide one physical server in multiple separate virtual | | | | clustering and partitioning of servers. This enables a |
| environments. These virtual environments are known | | | | single server can function as multiple virtual servers. |
| by several names like that of guests, containers and | | | | In the area of network virtualization work is done in |
| emulations. The guest system can be fully virtualized, | | | | the LAN or the WAN. Both can be segregated to |
| partially virtualized or even a mix of two. | | | | virtual functioning. As far as security is concerned |
| - Database Virtualization - In this method the data | | | | virtualization is comparatively less developed. There |
| base layer that is present between the storage and | | | | are virtual security options but the services need to |
| application parts of the application stack is split up. | | | | expand further. |
| This allows a better sharing of information or data as | | | | |