Glossary#

Bash: bourne shell command variation, one of the UNIX shell variants.
CIDR (Classless Inter-Domain Routing): method of IP addressing that allows to flexibly manage IP address space without using a rigid framework of class address.
Deduplication: compression method in which duplicated data is removed from the DSS.
DC (datacenter): area for hosting company servers; ensures uninterrupted, fast and efficient processing of large amounts of data.
DSS (data storage system): software and hardware solution for storing and accessing data (it can be a part or a basis of DC).
ESXi: independent hypervisor that performs physical software emulation.
Failover: restoring of a customer system to a backup component of a computer system or network in case of failure or malfunction.
Hyper-V: server virtualization technology that allows multiple virtual OS to run on a single physical server.
Migration: spinning up of a customer system on a target platform (AWS or KVM platform).
msi-installator: subsystem of Microsoft Windows that provides installation of programs.
OpenStack: software for creating cloud services and storage.
Replication: synchronization of contents of multiple copies of a machine.
vCPU: virtual central processing unit.
VMware: virtualization software that allows user to install one or more virtual machines on a single physical computer and run these machines in parallel with it.
VMware Tools: set of utilities that improves interaction between a virtual machine and a cloud platform, increases performance of an operating system within a virtual machine and also improves management functions of a VM.
VMware quiesce: "freeze" mechanism used to create a backup to ensure integrity of a virtual machine (pausing processes inside of a virtual machine to flush data stored in cache or in RAM, which allows to create a disk with a fully consistent filesystem).
vSphere: set of VMware products designed for DC virtualization.