Network virtualization
Network virtualization has been known as a fundamental term in computing aspect
The most common definition of network virtualization is that the colloborating progress including hardware, software network resources and network functionality. These factors are combined into an exact single, software-based administrative entity, which is called virtual network
The type of network virtualization?
Network virtualization comprisea 2 types of virtualization: external virtualization and internal virtualization. Both of them are combined from certain computing network or software resources
The former is indicated a virtualization combining various network or parts of networks, and the latter bases on a single network server. The significant difference between them is that external virtualization combine the resources into one virtual unit, while internal one supply the network model role for software containers
=> External virtualization
External virtualization includes various local area networks, which are connected and combined to create the unique virtual network. This enables the network broaden, therefore, increases the working efficiency in the computing system
There are two main components in this type of virtualization system, which is known as virtual local area network and network switch
Thanks to external virtualization, administrator are able to manage the efficiency of the system as well as the physical connections among same local networks. Moreover, in case the error happens, technicians are able to configure and fix
=> Internal virtualization
Internal virtualization composes only one system, which is active based on software containers. There are various software containers such as control program, VNIC and so on. Basically, internal virtualization ensures the connection between physical network and software in computing system. By ensuring the firm connection, this can enhance the working efficiency and minimize the capability of erroring
=> The function of network virtualization?
Network virtualization is used for testing software, which are in developing process. The computer technicians and software developers are able to figure out if the software is suitable with the network environments or not
Network virtualization is composed by application performance engineering, so it enables technicians and developers to the check the connection among these important factors, such as applications, services, dependencies, and so on
Thanks to this kind of virtualization, we do not need to do a physical software test. However, the accuracy of software test might not reach 100 percentage because of the approximate proportion of network virtualization accuracy
=> Wireless network virtualization?
Beside the traditional network virtualization, modern technology has experienced a new invention, which is called wireless network virtualization. It has wider range which help users share and connect the resources to the others service providers, applications without using physical devices. Compared to the wired network virtualization, the wireless one has more advantages such as broad connection space, high speed, security and stability.
Network virtualization is an important invention of human being. It has been applied in various aspects, especially information technology. In the future, this virtualization will be developed into more diversified form and improved quality.
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