Glossary
- Gb
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A gigabit, or 10^9 bits.
- GB
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A gigabyte, or 10^9 bytes, or 8000 million bits.
- GHz
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A unit of frequency equal to 10^9 hertz, which is defined as one cycle per second.
- GiB
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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.
- Glacier
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Amazon AWS cloud archiving service for storage of old data (commonly after 30 days).
- Google Accounts Enforcement
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Integration of Google Accounts, for example in authentication processes.
- Google App Engine
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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
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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
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Feature that lets you set up a confirmation page or ticketing system to temporarily grant guests access to the network.
- H.323
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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
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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.
- HTTP
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Protocol for submitting data over a network, commonly used to load website content in a web browser.
- HTTPS
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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.
- Hyper-V
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Native Hypervisor on Windows, created by Microsoft.
- hypervisor
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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
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Infrastructure is the backbone of all of your business operations.
- inline deduplication
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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.
- instance
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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 CloudGen Firewall) that runs on Amazon Web Services (AWS).
- instant replacement
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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
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Network security feature that monitors local and forwarding firewall traffic for malicious activities.
- IS
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Routing node in an OSI network.
- ISDN
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Communication protocol offered by telephone companies that permits telephone networks to carry data, voice, and other source traffic.