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Networking

Definitions about networking including routing and switching vocabulary, telecom terminology and words about email, messaging and mobile.

Circuit switched services equipment and providers

Terms related to circuit switched services equipment and providers, including dedicated communications channel definitions and words and phrases about telecommunications.

  • network switch

    A network switch is a hardware device that channels incoming data from multiple input ports to a specific output port that will take it toward its intended destination.

  • leased line

    A leased line is a bidirectional telephone line that has been rented for private voice, data exchange or telecommunication use.

  • service-level agreement (SLA)

    A service-level agreement (SLA) is a contract that specifies what the service provider is responsible for.

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Data transmission

Terms related to data transmission, including definitions about communication channels and words and phrases about point-to-point and point-to-multipoint data transfers.

  • fiber optics (optical fiber)

    Fiber optics, or optical fiber, refers to the medium and the technology associated with the transmission of information as light pulses along a glass or plastic strand or fiber.

  • network switch

    A network switch is a hardware device that channels incoming data from multiple input ports to a specific output port that will take it toward its intended destination.

  • RFID (radio frequency identification)

    RFID (radio frequency identification) is a form of wireless communication that incorporates the use of electromagnetic or electrostatic coupling in the radio frequency portion of the electromagnetic spectrum to uniquely identify an object, animal or person.

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Email and messaging

Terms related to email and messaging, including definitions about instant messenger and words and phrases about email servers, storage, spam and mobile access.

  • SMTP (Simple Mail Transfer Protocol)

    SMTP (Simple Mail Transfer Protocol) is a TCP/IP protocol used in sending and receiving e-mail.

  • voice over LTE (VoLTE)

    Voice over LTE (VoLTE) is a digital packet technology that uses 4G LTE networks to route voice traffic and transmit data.

  • spear phishing

    Spear phishing is an email spoofing attack that targets a specific organization or individual, seeking unauthorized access to sensitive information.

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High-speed networks

Terms related to high-speed communication networks, including network and end-system architecture definitions and words and phrases about high-bandwidth and low-latency communication.

  • fiber optics (optical fiber)

    Fiber optics, or optical fiber, refers to the medium and the technology associated with the transmission of information as light pulses along a glass or plastic strand or fiber.

  • network protocols

    Network protocols are sets of established rules that dictate how to format, transmit and receive data so computer network devices -- from servers and routers to endpoints -- can communicate regardless of the differences in their underlying infrastructures, designs or standards.

  • gigabit Ethernet phone (gigE phone)

    A gigabit Ethernet phone, or gigE phone, is a VoIP telephone that connects to and uses gigabit Ethernet transmission technology to communicate with other phones.

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Internet of Things

The Internet of Things (IoT) is a scenario in which objects, animals or people are provided with unique identifiers and the ability to transfer data over a network without requiring human interaction.

  • unique identifier (UID)

    A unique identifier (UID) is a numeric or alphanumeric string that is associated with a single entity within a given system.

  • supervised learning

    Supervised learning, in the context of artificial intelligence (AI) and machine learning, is a type of system in which both input and desired output data are provided.

  • IPv6 address

    An IPv6 address is a 128-bit alphanumeric string that identifies an endpoint device in the Internet Protocol Version 6 (IPv6) addressing scheme. The new IP address format was created to enable the trillions of new IP addresses required to connect not only an ever-greater number of computing devices but also the rapidly expanding numbers of items with embedded computers in them.

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LANs

Terms related to local area networks (LANs), including definitions about Ethernet and words and phrases about devices that share a common communications line or link.

  • dynamic spectrum access (dynamic spectrum management)

    Dynamic spectrum access (DSA), also referred to as dynamic spectrum management (DSM), is a set of spectrum utilization techniques that adjusts frequency in real time based on fluctuating circumstances.

  • wireline communication

    Wireline communication (also known as wired communication) is the transmission of information over a physical filament. Alternatively, communication technologies that transmit information over-the-air (OTA) are called wireless.

  • interconnection

    Interconnection is a strategy for ensuring that businesses can privately, securely and directly exchange digital information. An important goal of interconnection is to enable extremely high bandwidth exchanges with the lowest possible latency, at the lowest cost.

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Network hardware

Terms related to network hardware, including definitions about cables or file servers and words and phrases about routers and switches.

  • storage area network (SAN)

    A storage area network (SAN) is a dedicated high-speed network or subnetwork that interconnects and presents shared pools of storage devices to multiple servers.

  • coaxial cable

    Coaxial cable is a type of copper cable specially built with a metal shield and other components engineered to block signal interference.

  • local area network (LAN)

    A local area network (LAN) consists of computers and peripherals that share a common communications line or wireless link to a server. LANs are typically located within a distinct geographic area in an office or other facility.

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Network software

Terms related to network software, including definitions about network monitoring and words and phrases about network administration.

  • SD-WAN (software-defined WAN)

    Software-defined WAN (SD-WAN) is a technology to distribute network traffic across wide area networks (WAN) that uses software-defined networking (SDN) concepts to automatically determine the most effective way to route traffic to and from branch offices and data center sites.

  • nslookup

    nslookup is the name of a program that lets an Internet server administrator or any computer user enter a host name (for example, "whatis.com") and find out the corresponding IP address or domain name system (DNS) record.

  • VPN (virtual private network)

    A virtual private network (VPN) is programming that creates a safe, encrypted connection over a less secure network, such as the public internet. A VPN uses tunneling protocols to encrypt data at the sending end and decrypt it at the receiving end.

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Networking and communications

Terms related to networking and communications, including definitions about network protocols and words and phrases about data transmission.

  • dynamic spectrum access (dynamic spectrum management)

    Dynamic spectrum access (DSA), also referred to as dynamic spectrum management (DSM), is a set of spectrum utilization techniques that adjusts frequency in real time based on fluctuating circumstances.

  • voice over LTE (VoLTE)

    Voice over LTE (VoLTE) is a digital packet technology that uses 4G LTE networks to route voice traffic and transmit data.

  • IPv6 address

    An IPv6 address is a 128-bit alphanumeric string that identifies an endpoint device in the Internet Protocol Version 6 (IPv6) addressing scheme. The new IP address format was created to enable the trillions of new IP addresses required to connect not only an ever-greater number of computing devices but also the rapidly expanding numbers of items with embedded computers in them.

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Routing and switching

Terms related to routers and switches, including definitions about hubs and words and phrases about packet-switched networks.

  • software-defined networking (SDN)

    Software-defined networking (SDN) is a network architecture that aims to make data center networks agile and flexible.

  • network switch

    A network switch is a hardware device that channels incoming data from multiple input ports to a specific output port that will take it toward its intended destination.

  • service chaining

    Service chaining, in an information technology (IT) context, is the addition of software-defined networking (SDN) capabilities in a specific sequence. 

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Smart grid

Terms related to smart grids, including definitions about utility electricity delivery systems and words and phrases about smart meters and distributing, monitoring and billing electrical power.

  • internet of things (IoT)

    The internet of things, or IoT, is a system of interrelated computing devices, mechanical and digital machines, objects, animals or people that are provided with unique identifiers (UIDs) and the ability to transfer data over a network without requiring human-to-human or human-to-computer interaction.

  • wireless access point

    A wireless access point (wireless AP) is a network device that transmits and receives data over a wireless local area network (WLAN). When a wireless device moves beyond the range of one AP, it is handed over to the next AP.

  • application program interface (API)

    An application program interface (API) is code that allows two software programs to communicate with each other.

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Telecom

Terms related to telecom, including definitions about telecommunication service providers and words and phrases about voice, video and Internet communication.

  • telecommunications (telecom)

    Telecommunications is the transmission of data, voice and video over significant distances by electronic means that use a wide variety of networks and media.

  • SIM card

    A SIM card, also known as a subscriber identity module, is a smart card that stores identification information that pinpoints a smartphone to a specific mobile network.

  • call center

    A call center is a centralized department to which phone calls from current and potential customers are directed.

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VoIP

Terms related to voice over IP (VoIP), including definitions about communication protocols and words and phrases about making phone calls over the Internet.

  • voice over LTE (VoLTE)

    Voice over LTE (VoLTE) is a digital packet technology that uses 4G LTE networks to route voice traffic and transmit data.

  • gigabit Ethernet phone (gigE phone)

    A gigabit Ethernet phone, or gigE phone, is a VoIP telephone that connects to and uses gigabit Ethernet transmission technology to communicate with other phones.

  • VoIP (voice over IP)

    VoIP (voice over IP) is the transmission of voice and multimedia content over Internet Protocol (IP) networks. VoIP historically referred to using IP to connect private branch exchanges (PBXs), but the term is now used interchangeably with IP telephony.

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Wireless LANs

Terms related to wireless LANs, including definitions about Wi-Fi and words and phrases about wireless access points, wireless controllers, wireless LAN security and WLAN configuration.

  • VPN (virtual private network)

    A virtual private network (VPN) is programming that creates a safe, encrypted connection over a less secure network, such as the public internet. A VPN uses tunneling protocols to encrypt data at the sending end and decrypt it at the receiving end.

  • IoT security (internet of things security)

    IoT security is the technology area concerned with safeguarding connected devices and networks in the internet of things (IoT).

  • SIP trunking (Session Initiation Protocol trunking)

    Session Initiation Protocol (SIP) trunking is a service offered by a communications service provider that uses the protocol to provision voice over IP (VoIP) connectivity between an on-premises phone system and the public switched telephone network (PSTN).

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Wireless technologies

Terms related to wireless technologies, including definitions about wireless devices and words and phrases about radio, microwave and infrared communication.

  • network protocols

    Network protocols are sets of established rules that dictate how to format, transmit and receive data so computer network devices -- from servers and routers to endpoints -- can communicate regardless of the differences in their underlying infrastructures, designs or standards.

  • 5G

    Fifth-generation wireless (5G) is the latest iteration of cellular technology, engineered to greatly increase the speed and responsiveness of wireless networks.

  • single-user MIMO

    Single-user MIMO (SU-MIMO) is a multi-transmitter and receiver technology for wireless communication that allocates the bandwidth of a wireless access point to a single device.

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    Single sign-on (SSO) is a session and user authentication service that permits a user to use one set of login credentials (e.g., ...

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  • cloud insurance

    Cloud insurance is any type of financial or data protection obtained by a cloud service provider. 

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