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!
i
- Intermodulation Distortion
- Internal Network Address Translation (INAT)
- Internationalized Domain Name (IDN)
- Internet Backbone
- Internet Control Message Protocol (ICMP)
- Internet Engineering Task Force (IETF)
- Internet Exchange Point (IXP)
- Internet Group Management Protocol (IGMP)
- Internet Key Exchange (IKE)
- Internet Message Access Protocol (IMAP)
- Internet Protocol (IP)
- Internet Protocol Security (IPsec)
- Internet Relay Chat (IRC)
- Interoperability
- Interworking Function (IWF)
- Intrusion Detection and Prevention System (IDPS)
- Intrusion Detection System (IDS)
- Intrusion Prevention System (IPS)
- IntServ (Integrated Services)
- IoT (Internet of Things)
- IP Address
- IP Address Block (IPAB)
- IP Address Management (IPAM)
- IP Address Spoofing
- IP Multimedia Core Network Subsystem (IMS)
- IP Multimedia Subsystem (IMS)
- IP Network-to-Network Interface (NNI)
- IP Office
- IP Phones
- IP Surveillance
- IP Telephony
- IP Tunneling Protocol
- IPv4 (Internet Protocol version 4)
- IPv6 (Internet Protocol version 6)
- IS-IS (Intermediate System to Intermediate System)
- ISAKMP (Internet Security Association and Key Management Protocol)
- ISDB (Integrated Services Digital Broadcasting)
- ISDN (Integrated Services Digital Network)
- ISDN User Part (ISUP)
- Island-Hopping Attack
- ISO/OSI Reference Model
- ISP (Internet Service Provider)
- ISP Peering
- IT Asset Management (ITAM)
- IT Infrastructure Library (ITIL)
- IT Service Management (ITSM)
- ITSP (Internet Telephony Service Provider)
- ITU-T (International Telecommunication Union – Telecommunication Standardization Sector)
j
- Jitter
- Jitter Buffer
- Jitter Control
- Jitter Measurement
- JSON (JavaScript Object Notation)
k
- Keepalive Timer
- Key Derivation Function (KDF)
- Key Distribution Center (KDC)
- Key Exchange
- Key Management Infrastructure (KMI)
- Key Management Protocol
- Key Rotation Policy
- Key Schedule
- Keypad Effort
- Keyspace
- Knowledge-Based Authentication (KBA)
- Kubernetes
l
- LAN (Local Area Network)
- Latency
- Latency Budget
- Latency Criterion
- Latency Jitter
- Latency Sensitivity
- Latency Variation
- Layer 2 Forwarding
- Layer 2 Switch
- Layer 3 Firewall
- Layer 3 Switch
- Layer2/Layer3 Switch
- LC-AS (Link Capacity Adjustment Scheme)
- Leased Access
- Leased Bandwidth
- Leased Line
- Least Bit Error Rate (LBER)
- Least Cost Routing
- Legal Intercept
- Let’s extend this list further for you:
- Lightweight Access Point Protocol (LWAPP)
- Lightweight Directory Access Protocol (LDAP)
- Link Adaptation
- Link Aggregation Control Protocol (LACP)
- Link Aggregation Group (LAG)
- Link Authentication
- Link Compression
- Link Control Protocol (LCP)
- Link Layer Protocol
- Linked Open Data
- Linux Container
- Load Balancing
- Load Distribution
- Load Shedding
- Local Area Network (LAN)
