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Barracuda Backup



A gigabit, or 10^9 bits.


A gigabyte, or 10^9 bytes, or 8000 million bits.

  • Also known as: gigahertz

A unit of frequency equal to 10^9 hertz, which is defined as one cycle per second.


A gibibyte. A contraction of "giga" "binary" byte, a gibibyte is 2^30 or 1,073,741,824 bytes. It is slightly larger than a gigabyte (GB), which is 10^9 or 1,000,000,000 bytes.


Amazon AWS cloud archiving service for storage of old data (commonly after 30 days).

Google Accounts Enforcement

Integration of Google Accounts, for example in authentication processes.

Google App Engine

A service that enables developers to create and run web applications on Google's infrastructure and share their applications via a pay-as-you-go, consumption-based plan with no setup costs or recurring fees.

granular scheduling

Selecting specific sets of data to back up and configure multiple schedules for each data source, each with a different set of selected data.

guest access

Feature that lets you set up a confirmation page or ticketing system to temporarily grant guests access to the network.


Standard that defines the protocols to provide audio-visual communication sessions on any packet network. H.323 addresses call signaling and control, multimedia transport and control, and bandwidth control for point-to-point and multi-point conferences.

hardware refresh

Barracuda program that allows existing appliance customers with an active Energize Updates subscription to migrate to the latest hardware platforms at a reduced price -- ensuring customers benefit from the latest hardware improvements and firmware capabilities.

  • Also known as: Hypertext Transfer Protocol

Protocol for submitting data over a network, commonly used to load website content in a web browser.

  • Also known as: Hypertext Transfer Protocol Secure

Consists of communication over HTTP within a connection encrypted by TLS or SSL. The main motivation is authentication of the visited website and protection of the privacy and integrity of the exchanged data.


Native Hypervisor on Windows, created by Microsoft.


Computer software, firmware, or hardware that creates and runs virtual machines. A computer on which a hypervisor runs one or more virtual machines is called a "host machine". Each virtual machine is called a "guest machine".

Infrastructure Services

Infrastructure is the backbone of all of your business operations.

inline deduplication

The removal of redundancies from data before or as it is being written to a backup device. This reduces the amount of redundant data in an application and the capacity needed for the backup disk targets, in comparison to post-process deduplication. However, inline deduplication can slow down the overall data backup process.


A "copy" of a virtual appliance/image/machine that is being installed, brought up, configured, etc. In the context of an AWS deployment, a virtual product (for example, a Barracuda NextGen Firewall F-Series) that runs on Amazon Web Services (AWS).

instant replacement

With an Instant Replacement subscription, if your Barracuda Networks product fails, we will ship you a replacement unit within one business day so you can get back up and running soon. Instant Replacement subscriptions also work toward getting updated hardware through the Hardware Refresh program.

Intrusion Detection System

Network security feature that monitors local and forwarding firewall traffic for malicious activities.

  • Also known as: intermediate system

Routing node in an OSI network.

  • Also known as: Integrated Services Digital Network

Communication protocol offered by telephone companies that permits telephone networks to carry data, voice, and other source traffic.