VIRTUALIZATION [Article written as part of content writing for Quadsel Systems)

                                                VIRTUALIZATION- OVERVIEW:

WHAT IS VIRTUALISATION?

          Virtualization techniques or virtual infrastructure provides a layer of abstraction between computing storage, networking hardware and applications running on it. Virtualization makes it possible to run multiple operating systems and applications on the same server at the same time. This provides ability to share the under lying hardware resources known as ‘partitioning’.

WHY VIRTUALIZATION?

          With virtual memory, computer software gains access to more memory than the amount that is physically installed. This is achieved by background swapping of data to disk storage. Virtual infrastructure gives administrators the advantage of managing pooled resources across the enterprise allowing IT managers to be more responsive to dynamic organizational needs and to better leverage infrastructure investments.

SCOPE & ARCHITECTURE OF VIRTUALIZATION:

          Today Virtualization can apply to a range of system layers, including hardware-level virtualization, operating system level virtualization & high-level language virtual machines.

 

·        Hosted architecture provides partitioning services on top of a standard operating system and supports wide range of hardware configurations.

·        Hypervisor architecture is the first layer of software installed on x-86 based system and has direct access to hardware resources. It is more efficient than hosted architectures, enabling greater scalability, robustness and performance.