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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.

SPI - WIR

  • 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) - Standing wave ratio (SWR) is the ratio of the maximum magnitude or amplitude of a standing wave to its minimum magnitude.
  • 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 satellite internet constellation system that aims to deliver global internet coverage.
  • 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.
  • 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.
  • throughput - Throughput is a measure of how many units of information a system can process in a given amount of time.
  • Time Division Multiple Access (TDMA) - Time Division Multiple Access (TDMA) is a digital modulation technique used in digital cellular telephone and mobile radio communication.
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  • 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.
  • 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.
  • 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 hardware that enables a device to communicate using serial protocols.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • WhatsApp - WhatsApp is a free cross-platform messaging service.
  • Wi-Fi 6 - Wi-Fi 6, also known as 802.
  • 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.
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  • CIDR (Classless Inter-Domain Routing or supernetting)

    CIDR (Classless Inter-Domain Routing or supernetting) is a method of assigning IP addresses that improves the efficiency of ...

  • throughput

    Throughput is a measure of how many units of information a system can process in a given amount of time.

  • traffic shaping

    Traffic shaping, also known as packet shaping, is a congestion management method that regulates network data transfer by delaying...

SearchSecurity
  • Common Body of Knowledge (CBK)

    In security, the Common Body of Knowledge (CBK) is a comprehensive framework of all the relevant subjects a security professional...

  • buffer underflow

    A buffer underflow, also known as a buffer underrun or a buffer underwrite, is when the buffer -- the temporary holding space ...

  • single sign-on (SSO)

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

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  • benchmark

    A benchmark is a standard or point of reference people can use to measure something else.

  • spatial computing

    Spatial computing broadly characterizes the processes and tools used to capture, process and interact with 3D data.

  • organizational goals

    Organizational goals are strategic objectives that a company's management establishes to outline expected outcomes and guide ...

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  • talent acquisition

    Talent acquisition is the strategic process employers use to analyze their long-term talent needs in the context of business ...

  • employee retention

    Employee retention is the organizational goal of keeping productive and talented workers and reducing turnover by fostering a ...

  • hybrid work model

    A hybrid work model is a workforce structure that includes employees who work remotely and those who work on site, in a company's...

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