IT Glossary – ITU Online IT Training
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IT Glossary

Showing terms starting with NETWORK (181 terms)

Network Functions Virtualization

Network functions virtualization (NFV) is a network architecture approach that involves virtualizing networking services traditionally implemented in hardware, such as routers, firewalls, and load balancers, to improve scalability and flexibility.

Commonly used in Networking, Virtualization

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Network Gateway

A network node equipped for interfacing with another network that uses different protocols.

Commonly used in Networking, Interoperability

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Network Health Monitoring

The process of continuously monitoring a network for issues that could affect the performance and availability of network services.

Commonly used in Networking, IT Management

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Network Hierarchy

The layered structure of a network, defining various levels of control, distribution, and access layers.

Commonly used in Networking, Network Design

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Network Hub

A common connection point for devices in a network that uses broadcast to send data to all connected devices.

Commonly used in Networking, Hardware

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Network Identification

The process or the means by which a network device or service is recognized and differentiated from others on a network.

Commonly used in Networking, Security

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Network Infrastructure

The hardware and software components that enable communication, management, and connectivity in a computer network.

Commonly used in Networking

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Network Interface

A network interface is a hardware or software component that enables a device to connect to a network. It provides the necessary physical or logical interface between the device and the network medium, allowing data transmission and reception.

Commonly used in Networking

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Network Interface Card

A network interface card (NIC) is a hardware component that enables a computer to connect to a network, providing the necessary physical and data link layer interfaces for communication.

Commonly used in Networking, Hardware

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Network Interface Card (NIC)

A hardware component that connects a computer or other device to a network, allowing it to send and receive data.

Commonly used in Networking

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Network Jitter

The variation in the time of arrival of packets over a network, which can affect the quality of streaming media and real-time communications.

Commonly used in Networking, Performance Management

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Network Kernel Extension (NKE)

A module that can be loaded into the kernel of an operating system to extend its networking capabilities.

Commonly used in Networking, Operating Systems

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Network Layer

The network layer is the third layer of the OSI model and is responsible for routing packets across different networks to their destination. It determines the best path for data transmission and handles logical addressing and packet forwarding.

Commonly used in Networking

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Network Licensing

A software licensing model that allows users to access software over a network, often based on the number of concurrent users.

Commonly used in Software Development, Licensing

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Network Load Balancing

The process of distributing network traffic across multiple servers or network links to optimize resource utilization, reliability, and responsiveness.

Commonly used in Networking

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Network Management

The administration and maintenance of computer networks to ensure their efficient operation, security, and reliability.

Commonly used in Networking

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Network Management System (NMS)

A set of tools and applications designed for managing, monitoring, and maintaining computer networks.

Commonly used in Networking, IT Management

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Network Mapping

The study of the physical connectivity of networks e.g., internet.

Commonly used in Networking, Security

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Network Mapping Tool

Software used to visualize the layout and connections of a network, aiding in analysis and troubleshooting.

Commonly used in Networking, IT Management

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Network Mashup

The combination of data or functionality from multiple sources over the network to create a new service or application.

Commonly used in Web Development, APIs

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Network Modeling

The process of creating a mathematical model of a network to study its behavior under different scenarios.

Commonly used in Networking, Analysis

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Network Modularization

The design principle of structuring a network into discrete modules to simplify management, enhance scalability, and improve resilience.

Commonly used in Networking, Design

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Network Monitor

Software or hardware that observes and analyzes network traffic for performance evaluation, security monitoring, or troubleshooting.

Commonly used in Networking, Security

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Network Monitoring

The process of observing and analyzing network traffic to ensure optimal performance, security, and availability.

Commonly used in Networking, Security

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Network Operating System (NOS)

A network operating system (NOS) is software that provides the infrastructure and services necessary for computers to communicate and share resources in a network. Examples include Windows Server, Linux, and Novell NetWare.

Commonly used in Networking

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Network Operations Center (NOC)

A centralized location where IT professionals directly support the efforts of remote monitoring and management software.

Commonly used in Networking, IT Management

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Network Optimization

The process of adjusting the configuration and operation of a network to improve its efficiency, performance, and cost-effectiveness.

Commonly used in Networking, IT Management

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Network Orchestration

The automated arrangement, coordination, and management of computer systems, applications, and services within a network.

Commonly used in Networking, Automation

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Network Overlay

A virtual network that is built on top of existing network layers to support virtualized network functions or services.

Commonly used in Networking, Virtualization

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Network Packet

A formatted unit of data carried by a packet-switched network.

Commonly used in Networking, Data Communication

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Network Partitioning

Dividing a network into segments or subnets for improved performance, security, or management.

Commonly used in Networking, Design

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Network Path

The series of connections through which data travels from source to destination across a network.

Commonly used in Networking, Data Communication

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Network Penetration Testing

The process of evaluating the security of a computer network by simulating cyber attacks to identify vulnerabilities and weaknesses.

Commonly used in Security, Cybersecurity

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Network Performance

Network performance refers to the speed, reliability, and efficiency of data transmission and communication within a computer network. It is influenced by factors such as bandwidth, latency, packet loss, and network congestion.

Commonly used in Networking

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Network Performance Management

The practice of monitoring and managing network speed, availability, and reliability to ensure optimal performance.

Commonly used in Networking, IT Management

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Network Performance Monitoring

Network performance monitoring is the continuous process of observing and analyzing network behavior and metrics to ensure optimal performance, identify bottlenecks, and troubleshoot issues.

Commonly used in Networking

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Network Performance Optimization

Network performance optimization is the process of improving the speed, reliability, and efficiency of data transmission and communication within a computer network. It involves identifying and addressing bottlenecks, optimizing network configurations, and implementing technologies to enhance performance.

Commonly used in Networking

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Network Perimeter

The boundary between an organization’s secure internal network and the unsecured outside world.

Commonly used in Networking, Security

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Network Planning

Network planning involves the design, configuration, and optimization of computer networks to meet the current and future requirements of an organization. It includes tasks such as capacity planning, topology design, and technology selection to ensure efficient and reliable network operation.

Commonly used in Networking

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Network Policy

A set of rules and configurations designed to govern the behavior and security of a network and its resources.

Commonly used in Networking, Security

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Network Policy Server (NPS)

A Microsoft server role that allows the creation and enforcement of network access policies for client health, connection request authentication, and connection request authorization.

Commonly used in Networking, Security

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Network Port

A communication endpoint or interface where data is transferred in or out of a system or between systems.

Commonly used in Networking, Data Communication

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Network Presence

The state or fact of existing, being present, or being available over a network, especially on the internet.

Commonly used in Networking, Web Presence

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Network Processor

A high-performance microprocessor specifically designed for the processing needs of network data (packets).

Commonly used in Networking, Hardware

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Network Programming

The development of software applications that function over a network to communicate with other applications or devices.

Commonly used in Software Development, Networking

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Network Protocol

A set of rules and conventions governing how data is transmitted and received over a computer network.

Commonly used in Networking

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Network Protocol Analyzer

A network protocol analyzer, also known as a packet sniffer or network analyzer, is a software tool used to capture, decode, and analyze network traffic in real-time. It helps troubleshoot network issues, identify security threats, and optimize network performance.

Commonly used in Networking, Security

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Network Protocol Stack

The collection of network protocols used together to handle communication over a network, organized in layers as per the OSI or TCP/IP model.

Commonly used in Networking, Protocols

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Network Provisioning

The process of setting up the network infrastructure and services.

Commonly used in Networking, IT Management

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Network QoS (Quality of Service)

The use of various technologies to manage network traffic, reduce latency, and enhance user experience.

Commonly used in Networking, IT Management

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