Virtualization

What is Virtualization?

Virtualization is an abstract layer which disconnects the physical hardware from the operating system in order to provide greater flexibility and use of IT resources.

Virtualization enables multiple virtual machines with heterogeneous operating systems to individually execute on the same machine. Each virtual machine has its own virtual hardware (for example, RAM, CPU, NIC, etc.) through which the operating system and applications are uploaded. The operating system recognises the hardware as a normal and consistent group, regardless of the physical components that really form part of same.

The virtual machines are encapsulated within folders, permitting the storage, copying and provision of a virtual machine very quickly. They can move in full second systems (applications, operating systems, etc) from one server to another with continual consolidation of work and maintenance without periods of inactivity.

Nowadays, virtualization is in the vanguard, helping businesses with the scalability, security and administration of their global IT infrastructures.

Benefits of Virtualization

Division
Multiple applications and operating systems can be executed on one physical system.
The servers can be consolidated in virtual machines with an architecture of vertical scalability ((scale-up) or horizontal scalability (scale-out).
The hardware resources are treated like a uniform group which are distributed amongst the virtual machines in a controlled manner.

Insulation
The virtual machines are completely isolated from each other and from the host machine. If there are any faults in one virtual machine, the others would not be affected.
The data does not filter through the virtual machines and the applications can only communicate through configured network connections.

Encapsulation
The complete environment of the virtual machine is stored in one sole archive, easy to move, copy and protect.
The application recognises the standardised virtual hardware in such as way that its compatibility is guaranteed and it enormously facilitates environments of high availability.

"Anexia with VMware provides its clients with reliable, scalable and affordable High Availability solutions to ensure the continuity of their businesses and optimise the IT resources of their companies"