In today’s rapidly evolving digital world, the internet is no longer a luxury but a fundamental part of daily life. From remote work to digital learning, streaming entertainment to smart home technologies, the breadth of internet applications is vast and continually expanding. The terminology accompanying these digital innovations can often be as complex as the technology itself. Whether you’re a tech enthusiast, a professional seeking to enhance your digital literacy, or simply a curious individual navigating the world wide web, understanding these terms is essential.
Our comprehensive “Broadband & Internet Glossary of Terms” serves as your definitive guide to demystifying the jargon. We’ve gathered an extensive list of terms, definitions and meanings to help you understand what broadband and internet technologies are about. From basic concepts like ‘bandwidth’ and ‘DSL’ to ‘Latency’ and ‘Fibre Optics,’ this glossary aims to convert confusing technical language into clear, understandable information.
We will continue to expand this list of terms on an ongoing basis. We also soon allow you to request terms to be added to this list.
Enjoy!
g
- General Packet Radio Service (GPRS)
- Generic Routing Encapsulation (GRE)
- Geostationary Orbit
- Gigabit Ethernet
- Gigabit Passive Optical Network (GPON)
- Gigabits per second (Gbps)
- Global Authentication
- Global Load Balancing
- Global Positioning System (GPS)
- Global Routing
- Global Unicast Address
- GNU Hurd
- GNU Privacy Guard (GPG)
- Godaddy
- Governing Router
- Graphical User Interface (GUI)
- Guided Transmission Medium
h
- Half Duplex Communication
- Handoff Protocol
- Handover
- Hardware Abstraction Layer (HAL)
- Hardware Security Module (HSM)
- Hash-Based Message Authentication Code (HMAC)
- Hash Function
- Hash Function Generator
- Hashed Timed Payment Contract (HTPC)
- Hazard-Free Network
- HCI (Host Controller Interface)
- Head-End Device
- Head-of-Line (HOL) Blocking
- Headend
- Header Compression
- HFC (Hybrid Fiber-Coaxial)
- High Availability (HA)
- High-Speed Downlink Packet Access (HSDPA)
- High-Speed Uplink Packet Access (HSUPA)
- Highest Occupied Subchannel
- Hill Climbing Algorithm
- Home Gateway Device
- Home Network
- Horizontal Split
- Host-to-Host Layer
- Hosting Provider
- Hostname
- Hotspot
- HSDPA (High-Speed Downlink Packet Access)
- HSRP (Hot Standby Router Protocol)
- HTTP (HyperText Transfer Protocol)
- HTTPS (HyperText Transfer Protocol Secure)
- Hubs
- Hybrid Cloud
- Hybrid Fiber-Coaxial (HFC)
- Hybrid Networking
- HyperText Markup Language (HTML)
- Hypertext Transfer Protocol (HTTP)
- Hypervisor-Based Virtualization
i
- I/O Controller Hub (ICH)
- IaaS (Infrastructure as a Service)
- IANA (Internet Assigned Numbers Authority)
- ICANN (Internet Corporation for Assigned Names and Numbers)
- Identity Access Management (IAM)
- Identity Service Engine (ISE)
- IEEE 802.1Q
- IEEE 802.11ad
- IEEE 802.11ax
- IEEE 802.16
- IEEE 1394 (FireWire)
- IETF (Internet Engineering Task Force)
- IGMP (Internet Group Management Protocol)
- IGMP Snooping
- Image Map
- Immediate Addressing
- Impulse Noise
- In-Band Management
- In-Memory Database (IMDB)
- Inferencing
- Information Leak
- Infrared Communication
- Infrastructure-as-a-Service (IaaS)
- Ingress Filtering
- Initial Sequence Number
- Inline Data Deduplication
- Inline DDoS Mitigation
- Inline Encryption
- Inline Network Appliance
- Inline Signature Detection
- Input-Output Module (IOM)
- Integrated Access Device (IAD)
- Integrated Circuit Card Identifier (ICCID)
- Integrated Service Digital Network (ISDN)
- Intelligent Network Service
- Inter-Device Synchronization
- Inter-Switch Link (ISL)
- Inter-Symbol Interference
- Interactive Applications
- Interactive Voice Response (IVR)
- Interception Proxy
- Interface Descriptor Block (IDB)
- Interleaving
- Intermediate Distribution Frame (IDF)
