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Barracuda Email Security Gateway

Glossary

vertical cloud

A cloud computing environment optimized for use and built around the compliance needs of specialized industries such as healthcare, financial services, and government operations.

virtual private gateway
  • Also known as: AWS, Amazon Web Services

The Amazon side of a VPN connection that maintains connectivity. The internal interfaces of the virtual private gateway connect to your VPC (virtual private cloud) via the VPN attachment and the external interfaces connect to the VPN connection, which leads to the customer gateway.

virtualization

Allows multiple guest virtual machines (VM) to run on a host operating system. Guest VMs can run on one or more levels above the host hardware, depending on the type of virtualization.

VM
  • Also known as: virtual machine

An emulation of a computer system that is based on computer architectures and provides functionality of a physical computer. For example, the Barracuda NextGen Firewall Azure can be deployed as a virtual machine in the Microsoft Azure cloud.

VMware

A software company that provides cloud and virtualization software and services, incuding vSphere.

VPC
  • Also known as: virtual public cloud

An elastic network populated by infrastructure, platform, and application services that share common security and interconnection.

vSphere Client

An enhanced suite of tools for cloud computing utilizing VMware ESX/ESXi. Includesthe VMWare vCenter server and the vSphere client.

Vx

Specifies virtual model of a Barracuda products. For example, Barracuda Web Application Firewall 460 Vx.

web app
  • Also known as: web application

Client–server software application in which the client (or user interface) runs in a web browser.

web interface
  • Also known as: Web UI

Web-based user interface.

web server

A computer system that processes requests via HTTP, the basic network protocol used to distribute information on the web.

Wi-Fi

A technology for wireless local area networking with devices based on the IEEE 802.11 standards. 

Xen

Citrix hypervisor that allows to run multiple virtual machines (VMs) on one physical device.