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Virtual memory (vMem) is memory that is allocated by virtualization systems. Here, virtual memory addresses are translated to physical memory addresses within hardware setups.
Techopedia Explains vMem
The idea behind vMem is that memory and other resources can be allocated by an overall software system that splits up a physical hardware architecture into logical or virtual parts. For example, in virtualization, one physical computer can be partitioned into several virtual machines (VMs) that can play different roles in the network.
In order to implement this type of virtualization, each VM needs to be assigned resources. The system assigns items like virtual CPU, or processing power, according to what each machine needs. The same is true for vMem. Human administrators and software assign vMem according to what the machine needs. Again, vMem resources are essentially virtual markers for physical memory addresses that are handled by the system. Some of the benefits of this approach include more efficient use of hardware, as well as memory isolation, so that different software applications do not have to share memory and processing resources, which can lead to less triaging of resources within the system.
