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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.

SOA - WRA

  • SOA networking - SOA networking is the use of the service-oriented architecture (SOA) model to enhance the capabilities of networks that use Web services.
  • social networking - Social networking is the practice of using a dedicated online platform to maintain contacts, interact and collaborate with like-minded individuals, peers, friends and family.
  • softphone (soft client telephone) - A softphone (software telephone) is an application program that enables voice over Internet Protocol (VoIP) telephone calls from computing devices.
  • software-defined storage (SDS) - Software-defined storage (SDS) is a computer program that manages data storage resources and functionality and has no dependencies on the underlying physical storage hardware.
  • Space Communications Protocol Specifications (SCPS) - Space Communications Protocol Specifications (SCPS) are designed to improve communications reliability, error checking, efficiency and performance in ground, manned craft and satellite inter-communications.
  • speech technology - Speech technology is a type of computing technology that enables an electronic device to recognize, analyze and understand spoken word or audio.
  • split horizon - Split horizon is a method used by distance vector protocols to prevent network routing loops.
  • Squid proxy server - Squid is a Unix-based proxy server that caches Internet content closer to a requestor than its original point of origin.
  • SSL (secure sockets layer) - Secure sockets layer (SSL) is a networking protocol designed for securing connections between web clients and web servers over an insecure network, such as the internet.
  • standing-wave ratio (SWR, VWSR, IWSR) - Standing-wave ratio (SWR) is a mathematical expression of the non-uniformity of an electromagnetic field (EM field) on a transmission line such as coaxial cable.
  • star network - A star network is a local area network (LAN) topology in which all nodes -- personal computers (PCs), workstations or other devices -- are directly connected to a common central computer that is often referred to as a hub.
  • Starlink - Starlink is a SpaceX initiative to create a global broadband network from a low-earth orbit (LEO) satellite constellation.
  • Stream Control Transmission Protocol (SCTP) - Stream Control Transmission Protocol (SCTP) is a connection-oriented network protocol for transmitting multiple streams of data simultaneously between two endpoints that have established a connection in a network.
  • streaming network telemetry - Streaming network telemetry is a real-time data collection service in which network devices such as routers, switches and firewalls continuously push network health data and interface measurements to a centralized collector.
  • subcarrier - A subcarrier is a secondary modulated signal frequency modulated into the main frequency (the carrier) to provide an additional channel of transmission.
  • Switched Multimegabit Data Service (SMDS) - Switched Multimegabit Data Service (SMDS) is a public, packet-switched service aimed at enterprises that need to exchange large amounts of data with other enterprises over the wide area network on a nonconstant or bursty basis.
  • Synchronous Data Link Control (SDLC) - Synchronous Data Link Control (SDLC) is a transmission protocol used to synchronously transfer code-transparent, serial-by-bit data over a communications channel.
  • Synchronous Digital Hierarchy (SDH) - Synchronous Digital Hierarchy (SDH) is a group of fiber optic transmission rates that transport digital signals with different capacities.
  • Synchronous Optical Network (SONET) - Synchronous Optical Network (SONET) is a standard for synchronous data transmission on optical fibers.
  • T-carrier system - To see the relationship between T-carrier, E-carrier, and DS0 multiples, see digital signal X.
  • T.38 fax over IP (FoIP protocol) - T.38 is a protocol for sending faxes over a voice over IP (VoIP) network or the Internet in real time.
  • T1 (T-1) - Also see the T-carrier system, of which the T1 is a part.
  • TAPI (Telephony Application Program Interface) - TAPI (Telephony Application Program Interface) is a standard program interface that lets you and your computer "talk" over telephones or video phones to people or phone-connected resources elsewhere in the world.
  • team collaboration - Team collaboration is a communication and project management approach that emphasizes teamwork, innovative thinking and equal participation to achieve objectives.
  • telecommunications (telecom) - Telecommunications, also known as telecom, is the exchange of information over significant distances by electronic means and refers to all types of voice, data and video transmission.
  • teleconference - A teleconference is a live audio or audio-visual meeting with two or more participants.
  • telegraph - A telegraph is a communication system that sends information by making and breaking an electrical connection.
  • telemetry - Telemetry is the wireless transmission and reception of measured quantities for the purpose of remotely monitoring environmental conditions or equipment parameters.
  • telephony - Telephony is technology associated with interactive communication between two or more physically distant parties via the electronic transmission of speech or other data.
  • tethering - Tethering is the practice of using a mobile device (such as a cell phone) as a modem to connect another device (such as a laptop) to the Internet.
  • thing (in the Internet of Things) - A thing, in the context of the Internet of things (IoT), is an entity or physical object that has a unique identifier, an embedded system and the ability to transfer data over a network.
  • Time Division Multiple Access (TDMA) - Time Division Multiple Access (TDMA) is a digital modulation technique used in digital cellular telephone and mobile radio communication.
  • TMN (Telecommunications Management Network) - TMN (Telecommunications Management Network) originated formally in 1988 under the auspices of the International Telecommunication Union (ITU-TS) as a strategic goal to create or identify standard interfaces that would allow a network to be managed consistently across all network element suppliers.
  • Top searches of 2008 - What were people searching the WhatIs.
  • traffic shaping - Traffic shaping, also known as packet shaping, is a congestion management method that regulates network data transfer by delaying the flow of less important or less desired packets.
  • Transmission Control Protocol (TCP) - Transmission Control Protocol (TCP) is a standard that defines how to establish and maintain a network conversation by which applications can exchange data.
  • tree network - In telecommunication networks, a tree network is a combination of two or more star networks connected together.
  • trunk (trunking) - A network trunk is a communications line or link designed to carry multiple signals simultaneously to provide network access between two points.
  • ubiquitous sensor network (USN) - A ubiquitous sensor network (USN) is one that connects all possible sensors in a given network or environment which, theoretically, could be global.
  • unified communications and collaboration (UCC) - Unified communications and collaboration (UCC) is the collection of technology and software that combines enterprise communication with real time, asynchronous cooperation capabilities.
  • unipolar signaling (unipolar transmission) - Unipolar signaling, also called unipolar transmission ,is a baseband method of sending binary data over wire or cable.
  • universal acceptance (UA) - Universal acceptance (UA) is a best practice that ensures all domain names and email addresses work with all applications, devices and systems.
  • Universal Service Fund (USF) - The Universal Service Fund (USF) is a United States government program that supports telecommunications access and affordability in rural and low-income communities.
  • USART (Universal Synchronous/Asynchronous Receiver/Transmitter) - A USART (Universal Synchronous/Asynchronous Receiver/Transmitter) is a microchip that facilitates communication through a computer's serial port using the RS-232C protocol.
  • User Datagram Protocol (UDP) - User Datagram Protocol (UDP) is a communications protocol that is primarily used to establish low-latency and loss-tolerating connections between applications on the internet.
  • Variable Length Subnet Mask (VLSM) - Variable Length Subnet Mask (VLSM) is a subnet -- a segmented piece of a larger network -- design strategy where all subnet masks can have varying sizes.
  • vEPC (virtual Evolved Packet Core) - The vEPC offers a framework to support converged voice and data on 4G Long-Term Evolution networks.
  • video telephony - Video telephony is full-duplex, real-time audio-visual communication between or among end users.
  • virtual switch (vSwitch) - A virtual switch (vSwitch) is a software program that enables one virtual machine (VM) to communicate with another.
  • VLAN (virtual LAN) - A virtual LAN (VLAN) is a logical overlay network that groups together a subset of devices that share a physical LAN, isolating the traffic for each group.
  • VMEbus (VersaModular Eurocard bus) - VMEbus (VersaModular Eurocard bus) is a bus (computer data path) system, designed by Motorola, Signetics, Mostek, and Thompson CSF, that is used in industrial, commercial, and military applications worldwide.
  • VMware - VMware is a virtualization and cloud computing software provider based in Palo Alto, Calif.
  • 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.
  • voice search - Voice search is a speech recognition technology that allows users to search by saying terms aloud rather than typing them into a search field.
  • voicemail - Voicemail is a method of storing voice messages electronically for later retrieval by intended recipients.
  • VoIP phone - A VoIP phone is a hardware- or software-based telephone designed to use voice over Internet Protocol (VoIP) technology to send and receive phone calls over an IP network.
  • VoIP trunk gateway - A VoIP trunk gateway is an interface that facilitates the use of plain old telephone service (POTS) equipment, such as conventional phone sets and fax machines, with a voice over IP (VoIP) network.
  • von Neumann bottleneck - The von Neumann bottleneck is a limitation on throughput caused by the standard personal computer architecture.
  • VXLAN (Virtual Extensible LAN) - Virtual Extensible LAN (VXLAN) is a proposed Layer 3 encapsulation protocol that will make it easier for network engineers to scale out a cloud computing environment while logically isolating cloud apps and tenants.
  • WAN optimization (WAN acceleration) - WAN optimization -- also known as WAN acceleration -- is a collection of technologies and techniques used to improve the efficiency of data transfer across a wide area network (WAN) between organizations' centralized data centers and their remote locations.
  • web conferencing - Web conferencing is a form of communication that enables real-time sharing of computer screens, applications or web-based content among two or more devices.
  • WebSocket - WebSocket is a communications protocol for a persistent, bi-directional, full duplex TCP connection from a user’s web browser to a server.
  • weighted fair queueing (WFQ) - Weighted fair queueing (WFQ) is a method of automatically smoothing out the flow of data in packet-switched communication networks by sorting packets to minimize the average latency and prevent exaggerated discrepancies between the transmission efficiency afforded to narrowband versus broadband signals.
  • What is a private cloud? - Private cloud is a type of cloud computing that delivers similar advantages to public cloud, including scalability and self-service, but through a proprietary architecture.
  • What is a Server? - A server is a computer program or device that provides a service to another computer program and its user, also known as the client.
  • What is edge computing? Everything you need to know - Edge computing is a distributed information technology (IT) architecture in which client data is processed at the periphery of the network, as close to the originating source as possible.
  • What is failover? - Failover is a backup operational mode in which the functions of a system component (such as a processor, server, network, or database, for example) are assumed by secondary system components when the primary component becomes unavailable through either failure or scheduled down time.
  • What is fog computing? - Fog computing is a decentralized computing infrastructure in which data, compute, storage and applications are located somewhere between the data source and the cloud.
  • What is network virtualization? Everything you need to know - Network virtualization is a method of combining the available resources in a network to consolidate multiple physical networks, divide a network into segments or create software networks between VMs.
  • What is PaaS? Platform as a service definition and guide - Platform as a service (PaaS) is a cloud computing model where a third-party provider delivers hardware and software tools to users over the internet.
  • What is the 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.
  • white space - White space, in a communications context, refers to underutilized portions of the radio frequency (RF) spectrum vacated in the absence of analog broadcast television.
  • Wi-Fi 6 (802.11ax) - Wi-Fi 6 is a standard for wireless internet that replaces the 802.
  • Wi-Fi HaLow (802.11ah) - HaLow is based on the WiFi Alliance 802.
  • wideband audio (HD voice) - Wideband audio, also known as HD voice, is a cellular technology that utilizes a wider frequency spectrum to achieve greater voice quality during phone calls.
  • Windows Server Update Services (WSUS) - Windows Server Update Services (WSUS) is a Windows server role that can plan, manage and deploy updates, patches and hotfixes for Windows servers, client operating systems and other Microsoft software.
  • wireless ad hoc network (WANET) - A wireless ad hoc network (WANET) is a type of local area network (LAN) that is built spontaneously to enable two or more wireless devices to be connected to each other without requiring typical network infrastructure equipment, such as a wireless router or access point.
  • wireless backhaul - Wireless backhaul is the use of wireless communication systems to transport data between the internet and subnetworks.
  • wireless broadband (WiBB) - Wireless broadband (WiBB) is high-speed internet and data service delivered through a wireless local area network (WLAN) or wireless wide area network (WWAN).
  • wireless distribution system (WDS) - A wireless distribution system (WDS) is a method of interconnecting access points (AP) in a wireless local area network (WLAN).
  • wireless mesh network (WMN) - A wireless mesh network (WMN) is a mesh network created through the connection of wireless access point (WAP) nodes installed at each network user's locale.
  • WRAN (wireless regional area network) - A wireless regional area network (WRAN) is techology based on IEEE 802.
  • wrap plug - A wrap plug, also known as a loopback plug, is a special plug that can be inserted into a port on a communications device to perform a diagnostic test called a loopback test.
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