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845 posts
  What’s a VPN kill switch? A kill switch is a security feature of a VPN. It suspends your device’s...
Tasho Tashev
The Cisco Certified Network Professional (CCNP) Certification enables networking professionals to prove their skills and knowledge in enterprise networking solutions....
Shelby Hiter
A private 5G network is a private local area network (LAN) that utilizes 5G cellular technologies and edge device connections...
Ali Azhar
Tunneling is used in information technology (IT) to move data or communications across a network using protocols that are not...
Shelby Hiter
NetOps, or network operations, is a network management strategy for automating and optimizing processes across nearly any network type in...
Ali Azhar
A flat network is a type of computer network architecture that aims to reduce maintenance, administration, and cost through its...
Forrest Stroud
The Internet of Things (IoT) is the network of physical objects that feature an IP address for internet connectivity and...
Sam Ingalls
Merkle trees—or hash trees—are cryptographic algorithms allowing for the efficient validation of large data structures and are critical to the...
Sampada Ghimire
The two most common data streaming techniques used in recent times are unicast and multicast. Multicast communication exchange occurs between...
Jenna Phipps
Fios is Verizon Wireless’s bundle solution for internet, phone, and television services. Fios is an abbreviation of Fiber Optic Service...
5G
Jenna Phipps
5G is the fifth generation of cellular networks, offering higher frequency waves and greater bandwidth on wires and wireless connections....
Jenna Phipps
Deep packet inspection is a networking technology for analyzing data packets in more detail than traditional packet filtering. Deep packet...
Jenna Phipps
A data plane, or forwarding plane, is the part of a router that examines an incoming data packet and sends...
Jenna Phipps
Network segmentation is the division of an entire network into smaller segments or sub-networks (subnets). For example, if a business...
Vangie Beal
  By Vangie Beal A router is a piece of hardware (or software) that receives, filters, and sends data packets...
Jenna Phipps
Internet Protocol Version 4, known as IPv4, manages the transmission of communication between devices on a network through IP data...
Jenna Phipps
A private IP address, also known as a local IP address, is given to a specific device on a local...
Jenna Phipps
A public IP address is provided by a user’s Internet service provider and connects the user’s computer network to the...
Jenna Phipps
A perimeter in technology is an organization’s boundary between its own network and the outside networks that neighbor it. For...
Abby Braden
Ad hoc is a latin term that means ‘to this.’ In English, the term is used to describe a solution...
Kyle Guercio
Software-defined wide-area networks (SD-WAN) is an approach to network connectivity that improves application performance, accelerates productivity and simplifies network management....
Jenna Phipps
Netflix is a media provider and streaming service that offers digital content to users who pay a fixed monthly subscription....
Jenna Phipps
A sensor interprets specific information from the environment and sends a corresponding signal to a processing unit. There is not...
Abby Braden
Transmission delay, also known as packetization delay, is the time it takes to transmit a data packet onto the outgoing...
Jenna Phipps
Transmission speed is the rate at which data packets cross a computer network from one server to another. Transmission speed...
Abby Braden
Cryptokey routing is a process that associates public keys with a list of tunnel IP addresses that are allowed inside...
Jenna Phipps
Propagation speed is the rate at which a signal passes along a wire or cable (or is propagated across it)...
Jenna Phipps
Edge computing is computing on localized servers and devices in order to more quickly process data in applications. Instead of...
Jenna Phipps
A DNS leak is a security issue that occurs when Internet service providers inadvertently receive domain name system requests that...
Kirsty Moreland
Propagation delay is the distance of a network wire divided by the propagation speed in computer networking. Learn more from Webopedia.
Webopedia Staff
Paxos is a family of protocols used to achieve consensus among a distributed set of computers that communicate through an asynchronous network.
Webopedia Staff
Cloud infrastructure consists of the software and hardware needed to create computing resources shared over the internet. Read more at Webopedia.
Webopedia Staff
Passpoint is a Wi-Fi Alliance protocol that discovers and authenticates Wi-Fi hotspots for accessing the internet. Read more at Webopedia.
Webopedia Staff
Virtual events occur when people from various locations interact together in a virtual environment. The events happen online instead of...
Webopedia Staff
Network monitoring is an important network management activity, performed by a system administrator or network administrator. Networking monitoring tools are...
Forrest Stroud
Social distancing refers to deliberate actions taken by individuals and communities to reduce human social interaction, often in an effort...
Webopedia Staff
An IT security analyst is someone who monitors security controls and prevents unauthorized access to computers and devices, as well...
Forrest Stroud
A failover cluster is a group of computer servers physical or virtual (or both) that are configured to provide continual...
Forrest Stroud
The Industrial Internet of Things, or IIoT, refers to the use and management of connected devices and “smart” electronics beyond...
Forrest Stroud
Dragonchain is a cryptocurrency blockchain protocol originally developed by the Disney company to allow for more data privacy than other...
Forrest Stroud
Cryptocurrency is an increasingly trending term referring to digital money that can be purchased, transferred, and/or sold securely using cryptography,...
Forrest Stroud
Amazon Tap is a $129 portable smart speaker in the Amazon Echo product line that offers many of the original...
Vangie Beal
NetFlow is a network protocol, developed by Cisco, that collects and monitors network traffic information to show traffic flow and volume on the network.
Forrest Stroud
Operation BugDrop refers to a new form of malware that surreptitiously infects desktop and laptop computers and uses the PC’s...
Vangie Beal
The Echo Dot is a smart speaker device in Amazon s range of Echo products. It uses Amazon s virtual...
Forrest Stroud
A Leap Smear is a technique of spreading or “smearing” time over a period of hours to account for leap...
Forrest Stroud
A leap second refers to the periodical addition of one second to the Coordinated Universal Time (UTC) in order to...
Paul Shread
The editorial team here at QuinStreet Enterprise recently met to discuss information technology (IT) trends for 2017, and the one...
Forrest Stroud
The successor to the Mitaka release of the OpenStack open source cloud computing platform, OpenStack Newton made its debut on...
Forrest Stroud
Telemedicine refers to the use of medical information provided by (or between) healthcare professionals to patients via electronic means such...
Sal Miah
Blockchain operates as a decentralized digital ledger, connecting blocks of transaction data through cryptographic methods. It ensures security, transparency, and...
Forrest Stroud
Downtime refers to periods of time during which a computer system, server or network is shut off or unavailable for...
Forrest Stroud
ADN is short for Application Delivery Network. The ADN is a suite of technologies developed to provide application availability, security,...
Forrest Stroud
A load balancer, or server load balancer (SLB), is a hardware or software-based device that efficiently distributes network or application...
Forrest Stroud
Application Delivery Controllers (ADCs) are an evolution of server load balancers (SLB) that combine traditional load-balancing capabilities with features like...
Forrest Stroud
Smart home is a term that refers to modern homes that have appliances, lighting and/or electronic devices that can be...
Software-defined networking (SDN) and network virtualization technologies are poised to become mainstream, according to new research from QuinStreet Enterprise, publisher...
Forrest Stroud
802.11ah is a wireless LAN (WLAN) specification developed by the IEEE (Institute of Electrical and Electronics Engineers) that operates in...
Forrest Stroud
Wi-Fi HaLow (pronounced “HAY-low”) is a marketing name used for products that utilize the IEEE 802.11ah wireless technology, which offers...
Forrest Stroud
BYON, or Bring Your Own Network, is an evolution of the term BYOD (Bring Your Own Device) in the consumerization...
Matthew Guy
It’s not just your lawnmower and household tools that your neighbor won’t return. Our top picks include everything from updating...
Vangie Beal
Networking fundamentals teaches the building blocks of modern network design. Learn different types of networks, concepts, architecture and design. Networking...
Forrest Stroud
Wi-Fi Calling is a technology that enables a smartphone user to make and receive calls over a wireless internet connection...
Forrest Stroud
Miracast is a peer-to-peer wireless technology that enables users to mirror, or share, their computer or mobile device screen to...
Forrest Stroud
WiGig is a technology based on the IEEE 802.11ad specification that can support data transfer speeds of up to 7Gbps...
The surge in innovation that we’ve seen in the networking industry these past few years is revolutionizing the once-staid realm...
Vangie Beal
An AT&T initiative that is expected to deliver ultra-fast fiber network, with broadband speeds up to 1 Gigabit per second,...
The top 5 Hyper-V questions with answers provided by Nirmal Sharma, a MCSEx3, MCITP and Microsoft MVP in Directory Services....
Forrest Stroud
In a Network Functions Virtualization architecture, a virtualized network function, or VNF, is responsible for handling specific network functions that...
Forrest Stroud
Network Functions Virtualization, or NFV, is a network architecture philosophy that utilizes virtualization technologies to manage core networking functions via...
Forrest Stroud
The 802.11ac -2013 update, or 802.11ac Wave 2, is an addendum to the original 802.11acwireless specification that utilizes MU-MIMO technology...
Forrest Stroud
Short for Multi-User, Multiple-Input, Multiple-Output, MU-MIMO is an enhanced form of the MIMO technology that enables multiple independent radio terminals...
Forrest Stroud
Short for Server Message Block 2, SMB2 is a file transfer protocol commonly used by network-attached storage (NAS) devices and...
When I accepted the post of editor at Enterprise Networking Planet earlier this year, I had no idea how good...
Forrest Stroud
A software-defined networking (SDN) strategy from Cisco developed to help networks become more open, programmable and application-aware. According to this...
Forrest Stroud
A bundled solution from VMware that integrates the company’s own virtualization technology with technology acquired from Nicira in order to...
Forrest Stroud
A marketing phrase that serves to group a variety of software-defined computing technologies into one overarching moniker. The umbrella of...
Forrest Stroud
An industry-supported collaborative project of the Linux Foundation launched in April 2013 with a mission of developing an open source...
Forrest Stroud
Collaborative editing is a process of writing and editing documents or projects by more than one person. Collaborative editing software...
Forrest Stroud
Virtual Ethernet (vEth) is a virtual interface within a network switch that dynamically provisions virtual machine (VM) operations based on...
Forrest Stroud
PRISM program is a massive surveillance program operated by the United States National Security Agency (NSA). The PRISM program utilizes...
Forrest Stroud
Also known as virtualization-aware networks, VM-aware networks utilize virtual Ethernet (vEth) technologies that enable data centers to efficiently configure and...
Forrest Stroud
Also known as VM-aware networks, virtualization-aware networks are powered by network switches that fully recognize and manage virtual machines (VMs)....
Forrest Stroud
Google Fiber is a new fiber-optic internet and television service from Google offered in select cities that provides up to...
Forrest Stroud
An emerging standard that extends Ethernet to support multimedia streaming. The Ethernet Audio/Video Bridging standard adds QoS (Quality of Service)...
Forrest Stroud
Another term for security vulnerability, a security exploit is an unintended and unpatched flaw in software code that exposes it...
Forrest Stroud
A wireless LAN (WLAN) specification under development by the IEEE (Institute of Electrical and Electronics Engineers) that will serve as...
Forrest Stroud
A wireless LAN (WLAN) specification under development by the IEEE (Institute of Electrical and Electronics Engineers) that delivers wireless data...
Forrest Stroud
Gigabit Wi-Fi refers to the upcoming 802.11ac Wireless LAN specification that will support data transfer speeds of 433Mbps per spatial...
Forrest Stroud
A collaborative effort launched and coordinated by the Linux Foundation to build an open source implementation of Middleware Agnostic Messaging...
Vangie Beal
In IP networks, multipathing is a type of configuration designed to increase data throughput by using multiple network adapters (“multipathing”)...
TRILL is short for Transparent Interconnect of Lots of Links. The Transparent Interconnection of Lots of Links (TRILL) is an...
Vangie Beal
OpenFlow is an open standard network protocol used to manage traffic between commercial Ethernet switches, routers and wireless access points....
SDN
Vangie Beal
SDN is short for software defined networking. Software defined networking (SDN) is an approach to using open protocols, such as...
Forrest Stroud
A Smart TV platform from Google and co-development partners Intel, Sony and Logitech that provides an Android-powered interactive television system...
Vangie Beal
Paywalls are systems designed to monetize online and other digital information by preventing visitors from accessing web sites and similar...
Vangie Beal
Short for Category 5 Enhanced, Cat-5e network cabling is used as a cabling infrastructure for 10BASE-T (Ethernet), full duplex 100BASE-TX...
Vangie Beal
Short for Category 7, Cat-7 network cabling is used as a cabling infrastructure for 1000BASE-T (Gigabit Ethernet, or GbE) and...
Vangie Beal
Extended Validation SSL (EV SSL or EVSSL) certificates are widely considered to be the most trusted option currently available for...
Vangie Beal
A feature of network security appliances that provides integrated antivirus security on the appliance to block potential threats before reaching...
Vangie Beal
Short for Category 6, Cat-6 network cabling is used as the cabling infrastructure for 10BASE-T (Ethernet), 100BASE-TX (Fast Ethernet), 1000BASE-T...
Vangie Beal
A class of firewalls designed to filter network and Internet traffic based upon the applications or traffic types using specific...
Vangie Beal
A network engineer, also known as network architect, designs and implements computer networks. Unlike network administrators, who perform day-to-day support,...
Vangie Beal
TeamViewer is an Internet-based software application used for remote access, support, file sharing, and teleconferencing. It enables a user to...
Vangie Beal
URL shortening services are Web tools (or services) that allow you to provide a long URL to a specific webpage...
Vangie Beal
Traffic meter is a router (or Wi-Fi device) feature that will monitor the upload and download data consumption of all...
Vangie Beal
A router (or Wi-Fi router) feature that is designed to authentiscate individual users to an external server via username and...
Vangie Beal
A guest wireless network is a wireless router feature that is designed to allow users to easily grant “visitor” access...
Forrest Stroud
Wireless LANs make it possible to be more productive and accessible than ever before, and yet there are few things...
Vangie Beal
The LAN network administrator is responsible for maintaining an organization’s local area network. The local area network connects computers and...
Network Topology refers to layout of a network. How different nodes in a network are connected to each other and...
Webopedia Staff
If you’re just getting started with setting up your own network, the seemingly endless array of possibilities and decisions to...
Vangie Beal
When it comes to implementing a new wireless LAN, pre-deployment planning can make a huge difference in terms of ensuring...
Complete WAN optimization products and services allow a business to do much more than simply queue the bad traffic. An...
Vangie Beal
An IT network engineer designs the computer networks that organizations rely on to access, share, and store information. Network engineers...
How a default enterprise security policy could be adapted for your organization’s particular needs. IPV6 means more than just having...
This list of networking terms will help a small business better understand the world of wired and wireless networking. Networking:...
IPv6 (Internet Protocol Version 6) is also called IPng (Internet Protocol next generation) and it is the newest version of...
Vangie Beal
A general phrase for software that is designed to help set up, manage, and/or monitor computer networks. Networking software applications...
Vangie Beal
A slang term used to describe an individual who enjoys troubleshooting and solving hardware or network problems. It may also...
Vangie Beal
A network support engineer focuses on the maintenance of an existing corporate network, either as part of the organization’s internal...
Vangie Beal
Organizations are becoming more and more dependent on wireless technology to connect remote and mobile workers to the company network....
Vangie Beal
Endpoint security is the practice of protecting endpoints, or entry points, of end-user devices, such as laptops and mobile devices,...
Vangie Beal
Desktop virtualization, often called client virtualization, is a virtualization technology used to separate a computer desktop environment from the physical...
Vangie Beal
A Computer Network Technician is an information technology professional engaged in various businesses to build and troubleshoot computer networks. These...
Vangie Beal
Nortel Networks Corporation (Nortel) is a multinational telecommunications equipment manufacturer. Nortel produces telecommunications and computer network software and equipment. Additionally,...
NAK
Vangie Beal
Short for negative acknowledgement code, a transmission control character used to indicate that a transmitted message was received with errors...
Microsoft Certified Systems Administrator (MCSA) certification is the industry standard for demonstrating competence in managing and troubleshooting network environments based...
Vangie Beal
Wi-Fi is the name of a wireless networking technology that uses radio waves to provide high-speed network and Internet connections....
Vangie Beal
Metaswitch Networks is the corporate name of a provider of carrier systems and software solutions. The company’s products and services...
Vangie Beal
Intervision Network is the corporate name of an IP broadcasting development and related technologies company. Founded in 2005 and publicly...
Webopedia Staff
Axerra Networks is the corporate name of a provider of circuit emulation and service emulation solutions over packet access networks....
Vangie Beal
Check Point Software Technologies Ltd. is the corporate name of a security vendor that offers security for networks, data and...
Vangie Beal
D-Link is the corporate name of a designer and manufacturer of networking, broadband, digital, voice and data communications solutions. The...
Vangie Beal
Elina is the corporate name of a networking and IT management solution provider. The company offers enterprise-class solutions for business...
Vangie Beal
Gigle Networks Inc. is the corporate name of a high-definition content and service provider for home networking. The company’s products...
Webopedia Staff
How fast is fast? Chart puts into perspective line speeds used in Internet backbones, LANs, and WANs. How fast is...
Webopedia Staff
IEEE 802.3 specifies a series of standards for telecommunication technology over Ethernet local-area networks. This chart details the different Ethernet...
Port numbers 0 to 1024 are reserved for privileged services and designated as well-known ports. This list of port numbers...
Vangie Beal
Every computer that communicates over the Internet is assigned an IP address that uniquely identifies the device and distinguishes it...
Webopedia Staff
The name of a UK-based company that designs, builds and markets server appliances. The company’s products and services include network...
Vangie Beal
The corporate name of a fabless semiconductor supplier with focus on networking, communication and connectivity applications. ASIX Electronics develops a...
Webopedia Staff
The corporate name of a Wi-Fi software solution provider, headquartered in San Bruno, California. Devicescape offers Wi-Fi solutions that are...
Vangie Beal
The phrase used to describe a type of purchase or license agreement that is based on the number of simultaneous...
Vangie Beal
1000Base-T is a specification for Gigabit Ethernet over copper wire (IEEE Std. 802.3ab). This standard defines 1 Gb/s data transfer...
Vangie Beal
A protocol that enables Macintosh computers to use AppleTalk devices and software to connect with other types of computers and...
Vangie Beal
The phrase used to describe the methodologies, processes, and technologies needed to help large organizations and enterprises automate the configuration...
Vangie Beal
Short for network interface card (NIC) bonding it is a term used to describe a way to increase available bandwidth....
Confused by phrases like Internet Protocol (IP), IPv6, IPv4 and IPng? Webopedia explains the difference between IPv4 and IPv6, and...
Vangie Beal
avahi is a service auto-discovery that is installed by default on Debian and Ubuntu systems. On a Linux box avahi...
Windows 7’s HomeGroup feature makes home networking easier by letting you set up a simple password-protected network with other Windows...
Webopedia Staff
Abbreviated as NIS, Network Information Service is a client-server directory service protocol for distributing system configuration data such as user...
Vangie Beal
Also called Netware Directory Services, Novell eDIRECTORY is directory service software that is used to centrally managing access to resources...
Vangie Beal
In network management terms, network monitoring is the phrase used to describe a system that continuously monitors a network and...
Joe Moran
Tips on how to find a MAC address, Identifying Unknown Devices, DHCP and more. When you think about networking, IP...
The IEEE has ratified the 802.11n standard. The finalized standard promises backwards-compatibility and adds new capabilities. Note: This is an...
Vangie Beal
GNU Netcat, called Netcat for short, is an open source network debugging and exploration utility that can read and write...
Vangie Beal
A popular open source wired and wireless network manager for Linux. Wicd offers users a simple interface to connect to...
Vangie Beal
(1) The term used to describe a network based on older, outdated protocols. For example, any network not based on...
Vangie Beal
In computing terms, the word legacy is used to describe outdated or obsolete technology and equipment that is still being...
Vangie Beal
A router is a device that forwards data packets along networks. A router is connected to at least two networks,...
Vangie Beal
A feature found in many network cards that that support both Ethernet and Fast Ethernet. The feature enables the network...
Vangie Beal
Geolocation is a term used to describe the capability to detect and record where you and other people are located,...
Vangie Beal
Cisco EnergyWise is a Green IT technology that takes a network-based approach to communicate messages that measure and control energy...
Vangie Beal
HP Dynamic Smart Cooling (DSC) is a technology used for power and cooling in the data center. HP’s solution consists...
When you delete files from shares on your network they really vanish. Unlike local files, they are permanently deleted instead...
Vangie Beal
OpenWrt is a Linux-based router firmware for embedded devices that primarily uses a command line interface but also offers a...
Vangie Beal
A domain name dispute is a conflict that arises when more than one individual or group believes it has the...
Reviewed by Web Webster   Ping and Traceroute are two common programs that can be used to test your internet...
Vangie Beal
In domain name system terminology, the administrative contact is the individual who is authorized by the registrant to interact with...
Vangie Beal
In domain name system terminology, the billing contact is the individual who is authorized by the registrant to receive the...
Vangie Beal
The person, company or entity who owns or holds a domain name. When corporations and companies register a domain name,...
Vangie Beal
Domain names need to be renewed on a yearly basis. Some registrars offer discounts when a registrant renews a domain...
Vangie Beal
Also called registrar domain name registrar is an ICANN or national ccTLD accredited company who has the authority to register...
Vangie Beal
Also called resolvers, domain name resolvers are the names given to computers, commonly located with Internet Service Providers (ISPs) or...
Vangie Beal
In domain name system terminology, the naming authority is the entity responsible for the allocation and distribution of domain names....
Vangie Beal
Abbreviated as DTN, Disruption Tolerant Networking is a networking architecture that is designed to provide communications in the most unstable...
Vangie Beal
DHCP (Dynamic Host Configuration Protocol) Server Settings are commonly found on broadband router firmware. The DHCP section is where you...
Vangie Beal
Software that is embedded inside your router. This software provides network protocols, security and administrative controls. When users install a...
Vangie Beal
Text For Banner or Text Banner is a setting commonly found on broadband router firmware. A “text banner” is a...
Vangie Beal
Inbound Filters is a setting commonly found on broadbandrouter firmware. Inbound Filters are used to limit access to a server...
Vangie Beal
Web site Filter is a setting commonly found on broadband router firmware. The Web Filter option allows you to set...
Webopedia Staff
A list of many common broadband wired and wireless router settings and a description of what function it performs. A...
Sam Ingalls
Twitter is a microblogging social media platform where individuals, organizations, and businesses can share and connect through text and multimedia...
Vangie Beal
Short for Electronic Delay Storage Automatic Calculator, EDSAC was an early computerdated around 1949. EDSAC performed its first calculation at...
Vangie Beal
Abbreviated as VTY, virtual teletype is a command line interface that enables users to connect to the daemon using the...
Vangie Beal
An extension to 802.11 specification developed by the IEEE for wireless LAN (WLAN) technology. 802.11r, also called Fast Basic Service...
Vangie Beal
Called Tomato, it is the name of a firmware for wireless routers, including the popular WRT54G family. Tomato is designed...
Webopedia Staff
A chunk, also called a data chunk, by RFC2960 SCTP (Stream Control Transmission Protocol) standards, is the term used to...
Vangie Beal
The term used in RFC2960 to describe a protocol relationship between SCTP endpoints. SCTP (Stream Control Transmission Protocol) association is...
Vangie Beal
The term used in RFC2960 to describe the logical sender or receiver of SCTP (Stream Control Transmission Protocol) packets. An...
Vangie Beal
Abbreviated as TSN, a Transmission Sequence Number is a 32-bit sequence number used internally by SCTP (Stream Control Transmission Protocol)....
Charlie Schluting
We will be implementing an NFS server step by step in this article, exploring methods for simply sharing a directory,...
Vangie Beal
Not to be confused with 802.11x, which is the term used to describe the family of 802.11 standards for wireless...
Vangie Beal
(1) Term used to describe a set of tools that collects data on a network and records any changes made...
Vangie Beal
Short for Secure File Transfer Protocol, SFTP is a method of transferring files between computers over a secure SSH secure...
Vangie Beal
An error message that may be obtained during file transfers. As the user attempts to connect to a remote host,...
Vangie Beal
A free FTP server, written by Jarle (jgaa) Aase of Norway, that was first released in 1996. War FTP Daemon...
Webopedia Staff
An open source alternative to the BIND (Berkeley Internet Name Domain) domain name system, Unbound is a validating, recursive and...
Webopedia Staff
A wireless network or Wireless Local Area Network (WLAN) serves the same purpose as a wired one to link a...
Vangie Beal
A LAN adapter is an expansion board that is used to connect a computer or computing device to a network....
Vangie Beal
An adapter that is required to connect the Wii console to a wired access point (AP), such as a broadband...
Vangie Beal
Abbreviated as WNIC, a wireless network interface card is a network card which is used to connect radio-based computer networks....
Vangie Beal
A high-speed wireless network card that is used to access a network through a USB port on a computer or...
Vangie Beal
A package composed of one or more files used to address a problem or issues in consumer products. Hotfix is...
Vangie Beal
In ITIL terminology, Incident Management Activities includes best practices for dealing with incident management, which is a set pattern of...
Vangie Beal
Describes the type of physical system used to carry a communication signal from one system to another. Examples of transmission...
Vangie Beal
An embedded FreeBSD-based firewall software product that was first developed by Manuel Kasper in 2002. It runs on almost any...
Vangie Beal
Abbreviated as biax, a biaxial cable is a type of coaxial cable that uses two 50 ohm coaxial cables in...
RG
Vangie Beal
Short for Radio Guide, RG is a designation for different types of coaxial cable, which is a type of wire...
Vangie Beal
The Cisco Discovery Protocol (CDP) was developed by Cisco Systems. It’s primarily used to obtain the protocol addresses of neighboring...
Vangie Beal
Short for Ethernet over Plastic Optical Fibre, EoPOF is used in home and office network cabling. Ethernet over Plastic Optical...
Vangie Beal
Abbreviated as BIND, Berkeley Internet Name Domain is the most common implementation of the DNS protocol on the Internet. It’s...
Vangie Beal
Short for DNS Security Extensions, DNS SEC is a set of extensions used to add an additional layer of security...
Vangie Beal
Short for Transaction Signature, TSIG is a computer networking protocol used by the Domain Name System (DNS) as a way...
Vangie Beal
The word zone is used to mean any area that is separated from another, or is distinguished from another based...
Apt
Webopedia Staff
A Debian tool used to manage packages. When a user installs a package on a system, it also searches for...
Vangie Beal
Also called an expander, a wireless repeater is a device used to increase the effective coverage of your wireless network.
Vangie Beal
A stand alone battery, charger and equipment pack used in field deployment situations for instant deployment to communications equipment. Portable...
Vangie Beal
A Generic port (G_Port) within a Fibre Channel switch that can operate as either an E_Port or an F_Port.
Vangie Beal
The loop capable fabric port (L_Port) is a basic port in a Fibre Channel Arbitrated Loop (FC-AL) topology. If an...
Vangie Beal
In Fibre Channel the Universal port (U_Port) is one that has not yet assumed a specific function in the fabric....
Vangie Beal
A Fibre Channel Expansion port(E_Port) used as an interswitch expansion port to connect to another Fibre Channel switch or bridge...
Vangie Beal
The Fabric port (F_Port) within a Fibre Channelfabric switch that is used to connect an N_Port to a switch. F_Ports...
Vangie Beal
Found in Fibre Channel nodes, the Node port(N_Port) is used to connect an equipment port to the fabric. It connects...
Vangie Beal
Two or more systems that are able to transact without being connected, or coupled. The systems do not interact with...
Vangie Beal
(1) In computer science, tight coupling (or tightly coupled) is a type of coupling that describes a system in which...
Vangie Beal
In ITIL terminology, configuration items (CI) are components of an infrastructure that currently is, or soon will be under configuration...
Vangie Beal
Abbreviated as CMDB, in ITIL terminology the configuration management database is a database that contains all relevant information about each...
Vangie Beal
In ITIL terminology, configuration management refers to the process of defining configuration items (CI) within a system and recording and...
Vangie Beal
See under system requirements.
Vangie Beal
System requirements refers to the hardware and software components of a computer system that are required to install and use...
Vangie Beal
FCoE is short for Fibre Channel over Ethernet. Fibre Channel over Ethernet (FCoE) solves the problem of organizations having to...
Vangie Beal
In Windows Vista, a network map is a graphical representation of all the computers and devices on your network that...
TOE
Vangie Beal
Short for TCP/IP Offload Engine, TOE a technology used in NICs (network interface cards) to offload processing of the TCP/IP...
Vangie Beal
A backup device such as a hard disk or controller that is in a standby mode, meaning it is online...
Vangie Beal
An electrical or optical connection or cable that connects two separate devices. For example, the cable that connects your monitor...
Cisco Wide Area Application Services (WAAS) consists of a GUI and a set of system devices called wide-area application engines...
Webopedia Staff
External Serial Advanced Technology Attachment (eSATA) is an extension to the Serial ATA standard that enables SATA drives to be...
IP address conflicts are usually temporary, but you can’t count on them to always resolve themselves. This week, we’ll look...
Vangie Beal
A Wi-Fi hotspot is defined as any location in which 802.11 (wireless) technology both exists and is available for use...
Vangie Beal
Abbreviated as EID, an endpoint identifier is used to specify and uniquely identify endpoints connected to the network. Information about...
Webopedia Staff
An internetwork routing architecture that can be applied to routing both within a single routing domain and among multiple routing...
Webopedia Staff
Abbreviated as TSO, TCP segmentation offload is used to reduce the CPU overhead of TCP/IP on fast networks. TSO breaks...
Webopedia Staff
The name of an enterprise testing tool that predicts system behavior and performance. LoadRunner employs performance monitors, called agents, that...
Vangie Beal
An enterprise grade network management platform developed under the open source model. It consists of a community supported open-source project...
Webopedia Staff
One of two techniques used in data communications to transfer data at the Transport Layer (Layer 4). A Connection-oriented service...
Webopedia Staff
Abbreviated as COS, connectionless service is one of two techniques used in data communications to transfer data at the Transport...
Vangie Beal
Abbreviated as ECS, Enterprise Collaboration Systems is a type of information system (IS). ECS is a combination of groupware, tools,...
Vangie Beal
The name of a file containing routing rules. See also routing.
Vangie Beal
Short for External Border Gateway Protocol (BGP), eBGP is the protocol used to transport information to other BGP enabled systems...
Vangie Beal
Short for Internal BGP (Border Gateway Protocol), iBGP is the protocol used between the routers in the same autonomous system...
Dr. Christopher Waters
Unauthorized wireless devices can expose your organization’s confidential data and critical assets to the outside world. Left connected, these devices...
Joe Moran
Did You Know? With the right (inexpensive) equipment, you can use the AC wires in your walls to transmit data...
Webopedia Staff
A high-end video interface that supersedes both composite video and S-Video. Component video offers better signal clarity, which results in...
Vangie Beal
The name given to the Sony Corp. implementation of the IEEE 1394 standard. It is the 4-pin or 6-pin bi-directional...
Vangie Beal
A phrase used to describe the act of running network cable from one location to another.
Vangie Beal
Often abbreviated as ZOS, z/OS is IBM‘s mainframe operating system. It is a 64-bit operating system that supports Java, UNIX,...
Carla Schroder
We’re going to spend some time teaching you a number of incredibly wonderful things about IPv6, such as why network...
Some technicians have a tendency to use the terms router, switch and hub interchangeably, but have you ever wondered what...
Vangie Beal
Abbreviated as DUAL, the diffusing update algorithm is a routing protocol used by EIGRP to calculate and create routing tables...
Abbreviated as NAC, Cisco’s Network Admission Control is a set of technologies and solutions that use the network infrastructure to...
Vangie Beal
Abbreviated as NAP, Microsoft’s Network Access Protection is a policy-enforcement platform built into the Microsoft Windows Vista and Windows Server...
Vangie Beal
In VPN technology, central tunneling is the process of forcing all traffic from a remote VPN through a central site....
Vangie Beal
Application virtualization is layered on top of other virtualization technologies, such as storage virtualization or machine virtualization to allow computing...
Vangie Beal
Network virtualization (NV) is using network resources through a logical segmentation of a single physical network, or making multiple networks...
Vangie Beal
More commonly called OS-level virtualization. A type of server virtualization technology which works at the OS layer. The physical server...
Vangie Beal
As defined by Microsoft, in Active Directoryserver roles, computers that function as servers within a domain can have one of...
Vangie Beal
Abbreviated as MSS, Managed Security Service is the outsourcing of all or some of your organization’s security operations. Managed Security...
Charlie Schluting
Due in large part to alleged NAT support on consumer devices, many people are confused about what NAT really is....
Vangie Beal
Short for Wireless WAN (wide-area network), a wireless computer networkthat spans a relatively large geographical area. See also WAN.
Vangie Beal
A frame used to provide efficient cable connections between communication facilities. ODFs integrate fiber splicing, storage, and cable connections together...
Vangie Beal
A function of a router that prevents a route from being updated for a specified length of time, in seconds....
Vangie Beal
Slang term for a router that goes down (offline) and whose absence goes undetected by other routers on the network....
Vangie Beal
A device in an Asynchronous Transfer Mode (ATM) network that routes data between an ATM backbone network and local area...
Vangie Beal
A variable used by a dynamic router to calculate its routing table. This determines which route the router should use...
Vangie Beal
SNA is short for Systems Network Architecture. Systems Network Architecture is a set of network protocols developed by IBM. Originally...
When implementing a client/server architecture you need to determine if it will be the client or the server that handles...
In the world of client/server architecture, you need to determine if it will be the client or the server that...
Vangie Beal
Short for Mechanical Transfer Registered Jack, MT-RJ is a fiber optics connector popular for small form factor devices due to...
Vangie Beal
A proprietary fiber optics signal connection system, commonly used in audio applications. A TOSLINK connector provides a distortion-free connection between...
Charlie Schluting
Open Shortest Path First is a link-state interior gateway protocol. It is often used when people discover that RIP isn’t...
Vangie Beal
Abbreviated as LNP, Local Number Portability is a service that allows subscribers to switch local or wireless carriers and still retain the same telephone number.
Vangie Beal
Active Directory Service Interfaces (ADSI) enable systems administrators and developers of scripts or C/C++ applications to easily query for and...
Vangie Beal
(1) Short for Analog Display Services Interface (Bellcore standard). (2) Short for Active Directory Service Interfaces (Microsoft).
PDU
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(1) Short for Protocol Data Unit. The term used to describe data as it moves from one layer of the...
Vangie Beal
Software Configuration Management (SCM) is the the overall management of a software design project as it evolves into a software...
Vangie Beal
Swivel chair is a slang term for a common interface work-around that involves manually entering data into one system and...
Vangie Beal
Routing and Remote Access Service (RRAS), a Microsoft API that makes it possible to create applications to administer the routing...
Vangie Beal
Variable Length Subnet Mask, abbreviated as VLSM, is a means to specify a different subnet mask for the same network...
Vangie Beal
Derived from the slang term of bogus (non-existent or fake), in Internet terminology the the term bogon is often used...
Vangie Beal
Direct Access File System (DAFS) is a file-access sharing protocol that uses memory-to-memory interconnect architectures, such as VI and InfiniBand....
Vangie Beal
Split Multi-Link Trunking (SMLT) is an improvement over Multi-Link Trunking (MLT), a method of link aggregation that allows multiple Ethernet...
Vangie Beal
Short for Web-Based Enterprise Management, WBEM is a set of management and Internet standard technologies developed to unify the management...
Vangie Beal
In data transmission Manchester encoding is a method of transmitting bits that allows the receiver to easily synchronize with the...
Vangie Beal
In fiber optics technology singlemode fiber is one of two types of fiber currently in use.
Vangie Beal
In fiber optics technology multimode fiber is used for signal transmission over short distances. In multimode fiber light waves are...
Charlie Schluting
A gentle introduction to help you understand the basics of TCP, the protocol. TCP is used everywhere, and understanding how...
Vangie Beal
Jumbo frames are large IP frames used in high-performance networks to increase performance over long distances. Jumbo frames is the...
Vangie Beal
Technology changes at a rapid pace and so do Internet connection speeds. We reviews connection speeds ranging from dial-up to...
Vangie Beal
A state occurring in part of a network when the message traffic is so heavy that it slows down network...
Webopedia Staff
Mobile Location Protocol The OMA Mobile Location Protocol (MLP) is an application-level protocol for obtaining the position of mobile stations...
Vangie Beal
File eXchange Protocol (FXP) allows you to copy files from one FTP server to another FTP server (two remote hosts)...
FXP
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(1) Short for File eXchange Protocol. See File eXchange Protocol. (2) Short for Foreign Exchange Protocol, a simple, automatic way...
Vangie Beal
Global area network (GAN)refers to any network that is composed of different interconnected computer networks (WANs) and also covers an...
Vangie Beal
A Virtual IT Service Provider provides limited IT services from a remote location. Virtual IT Service Provider support can range...
Vangie Beal
Short for Apple Attachment Unit Interface, A 14-position, 0.050-inch-spaced ribbon contact connector. Except for the pins that supply power, each...
Vangie Beal
Microfiber is a technology used by Monster Cables Products Inc. in many of their products. It is tightly wound dielectric...
Vangie Beal
A unit of measurement used in surge protective devices to measure current absorption.
Vangie Beal
A standard type of cable used to transmit analog audio and composite-video signals between devices such as televisions, satellite or...
Vangie Beal
Monster Cable Products Inc. was founded in 1979 by Noel Lee, who was then a laser-fusion design engineer at Lawrence-Livermore...
Vangie Beal
Short for Fibre Channel Storage Area Network (SAN). See also Fibre Channel and SAN.
Vangie Beal
Software run by an ISP or online service that provides access to send, receive, and review e-mail using only your...
Vangie Beal
Slang term frequently used by those actively engaged P2P and unethical file sharing. A leech or leecher is considered to...
Vangie Beal
Common routing term that indicates the IP address of the next hop to which packets for the entry should be...
Vangie Beal
In a split DNS infrastructure, you create two zones for the same domain, one to be used by the internal...
Vangie Beal
UDRP or Uniform Dispute Resolution policy defines how disputes over domain name registrations are resolved in the global top-level domains...
Vangie Beal
What is a Transparent Bridge? Transparent bridges are devices which connects more than one network segments with other bridges to...
Vangie Beal
The Logical Link Control (LLC) layer is one of two sublayers that make up the Data Link Layer of the...
Webopedia Staff
Most of the action takes place at the Media Access Control (MAC) layer (layer 2) and the Physical (PHY) layer...
Ron Pacchiano
Stumped by acronyms such as WPA2 and WMM? You’re not alone. We define these new terms and explain why you...
Vangie Beal
The Berkeley Packet Filter (BPF) is a new architecture for user-level packet capture. BPF provides a raw interface to data...
CARP is an acronym for Common Address Redundancy Protocol. It is a free alternative to the Virtual Router Redundancy Protocol...
Vangie Beal
Short for Point-to-Point Protocol over Asynchronous Transfer Mode (ATM). PPPoA relies on two widely accepted standards: PPP and ATM. It...
Vangie Beal
Auto-Negotiation is a technology that was introduced by National Semiconductor to the IEEE 802.3u 100BASE-T working group in the Spring...
Vangie Beal
Short for Interface Definition Language or, alternatively, Interface Description Language, a computer language or syntax used to describe object interfaces...
Vangie Beal
Short for Microsoft Interface Definition Language, MIDL defines interfaces between client and server programs. Microsoft includes the MIDL compiler with...
Vangie Beal
Short for The Object Management Group (OMG) Interface Definition Language (IDL) it is used to describe the interfaces that client...
Vangie Beal
BizTalk Server is Microsoft’s central platform for Enterprise Application Integration (EAI) and Business Process Management (BPM) and embodies the integration...
Vangie Beal
As defined by Microsoft, in Active Directory server roles, computers that function as servers within a domain can have one...
Webopedia Staff
Short for Flexible Single Master Operations, it is a feature of Microsoft’s Active Directory. The schema master FSMO role holder...
Webopedia Staff
Wireless networking is becoming increasingly important to businesses, both small and large. Use this chart to make sense out of...
Vangie Beal
(1) When written as AToM, it is short for Any Transport over MPLS, a technology developed by Cisco for transporting...
Vangie Beal
SPN, short for service principal name, is the name by which a client uniquely identifies an instance of a service....
Vangie Beal
Abbreviated as twinax, a twinaxial cable is a cable with three conductors.
Webopedia Staff
Abbreviated as VIPA, a virtual IP address is an IP address that is shared among multiple domain names or multiple...
SLP
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Short for Service Location Protocol (SLP) was originally an Internet Engineering Task Force (IETF) standards track protocol that provides a...
Vangie Beal
Similar to a null-modem cable, with the exception that the crossover cable is used for Ethernet connections, where the CTS...
Vangie Beal
A specially designed cable that allows a user to connect two computers directly to each other via their communications ports...
Webopedia Staff
A dual-homed host is a term used to reference a type of firewall that uses two (or more) network interfaces....
Vangie Beal
A gender changer refers to any adapter, connector or cable that can be used to change the male connectors (end...
Vangie Beal
A “Y” shaped power cable (one IDE to two IDE) splits an existing power cable into two connections, allowing for...
Vangie Beal
Short for Maximum Segment Size. The maximum segment size (MSS) is the largest amount of data, specified in bytes, that...
Both DSL and cable modems are common home networking broadband connection technologies – but which option is better? What Is...
Vangie Beal
Peer-to-peer (P2P) architecture is a type of network in which each workstation has equivalent capabilities and responsibilities. Peer-to-peer networks come...
Vangie Beal
A file on a root server that contains domain name registration information.
Vangie Beal
Intermediate System-Intermediate System is an International Organization for Standardization (ISO) hierarchical routing protocol where IS routers exchange routing information based...
ENIW is a Web-enabled Ethernet Networking Interface. This module presents additional remote Web capabilities by providing read/write access via the...
Vangie Beal
Ethernet Networking Interface, or ENI, allows any computer on Ethernet network to access controllers allowing users to send production data,...
Vangie Beal
BT-USB is short for BlueTooth Universal Serial Bus. BlueTooth USB is a wireless USB adapter designed specifically to plug into...
Vangie Beal
Passive, or PASV is the data transfer process (DTP) for FTP establishes and manages the data connection. The DTP can...
Vangie Beal
A collection of one or more domain trees with a common schema and implicit trust relationships between them. This arrangement...
Vangie Beal
An extension to 802.11 specification developed by the IEEE for wireless LAN (WLAN) technology. 802.11n builds upon previous 802.11 standards...
Vangie Beal
By transmitting data digitally over fiber, optical networks offer increased bandwidth as well as provide higher capacity and reduce overall...
Vangie Beal
(1) An expansion card that is used to extend a slot for a chip or card in a fully loaded...
Webopedia Staff
Internationalized Domain Names (IDNs) are domain names or Web addresses, represented by local language characters. When a user types an...
Vangie Beal
SET, short for Secure Electronic Transaction, is a standard that will enable secure credit card transactions on the Internet. SET...
Vangie Beal
A multicast address is a single address that refers to multiple network devices. Multicast address is synonymous with group address.
Webopedia Staff
A VAN (Value Added Network) access point is the subscriber’s connection to the VAN and represents the networking endpoint of...
AS
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Acronym for Autonomous System An Autonomous System (AS) is a group of networks under mutual administration that share the same...
Vangie Beal
A network device that converts voice and fax calls, in real time, between the public switched telephone network (PSTN) and...
Virtual Private Dial-up Network (VPDN) is a network that extends remote access to a private network using a shared infrastructure....
Vangie Beal
1) An original type, form, or instance serving as a basis or standard for later stages. 2) An original, full-scale,...
Vangie Beal
NetWare Core Protocol (NCP) is the file-sharing protocol between server and client(s) on a Novell NetWare network. NCP controls many...
Vangie Beal
Through the use of software VNC, acronym for virtual network computing, makes it possible to interact with a computer from...
Charlie Schluting
What’s more important than IP and routing? Well, Layer 2 is much more important when it’s broken. Many people don’t...
Vangie Beal
NWLink is the Microsoft implementation of the Internetwork Packet Exchange/Sequenced Packet Exchange (IPX/SPX) protocol used on NetWare networks. NWLink allows...
Charlie Schluting
It is time to take a trip up the OSI Reference Model, and learn what this mysterious thing is all...
Webopedia Staff
Route control product packages provide optimized Internet connectivity and, at the same time, decreases the cost of bandwidth for large...
Vangie Beal
JavaSpaces is a powerful Jini service from Sun Microsystems, which facilitates building distributed applications for the Internet and Intranets. The...
Webopedia Staff
Acronym for Cisco Certified Network Associate indicates a foundation in and apprentice knowledge of networking. CCNA certified professionals can install,...
Webopedia Staff
A MegaTransfer (MT) is a unit of measurement that refers to the rate of signal on parallel I/O buses (like...
Webopedia Staff
)[Image Source: BitTorrent Official Website] BitTorrent is a file distribution system used for transferring files across a network of people....
Webopedia Staff
A Cuckoo Egg is an edited MP3 file that appears to be a copyright protected song being distributed via the...
Vangie Beal
Network baselining is the act of measuring and rating the performance of a network in real-time situations. Providing a network...
Webopedia Staff
Static routing, the alternative to dynamic routing, is the process in which the system network administrator would manually configure network...
Webopedia Staff
A stub network is an internal network, usually a LAN (Local Area Network) that carries data packets only among local...
Webopedia Staff
CE-ATA is a derivative of the ATA storage specification for CE (consumer electronics) equipment. The CE-ATA design is smaller and...
Webopedia Staff
Native Command Queuing (NCQ) is a command protocol in Serial ATA that can be implemented only on native Serial ATA...
Vangie Beal
Abbreviation for “Windows NT LAN Manager” The NTLM protocol was the default for network authentication in the Windows NT 4.0...
Webopedia Staff
Hybrid Routing, commonly referred to as balanced-hybrid routing, is a combination of distance-vector routing, which works by sharing its knowledge...
Webopedia Staff
Acronym for “Private Access DSL”. PaDSL is a solution for creating secure private broadband VPNs (virtual private network). PaDSL is...
Webopedia Staff
Acronym for Stream Control Transmission Protocol. SCTP is a type of mobility management for IP-based networks that focuses on the...
Webopedia Staff
An inverted network design employs the philosophy that that security should be focused at the core of the network rather...
Webopedia Staff
(bak presh-&r) (n.) Also referred to as backpressure flow control, a condition wherein a switch causes a transmitting device to...
Vangie Beal
(n.) Also referred to as a bus-snooping protocol, a protocol for maintaining cache coherency in symmetric multiprocessing environments. In a...
Webopedia Staff
(pronounced as separate letters) Short for reverse DNS, a method of name resolution in which an IP address is resolved...
VCI
Webopedia Staff
Short for virtual channel identifier, a 16-bit field in an ATM cell s header that identifies the cell s next...
VPI
Webopedia Staff
Short for virtual path identifier, an eight-bit field in an ATM cell s header that identifies the virtual path (a...
Webopedia Staff
(pronounced as separate letters) Short for Digital Transmission Content Protection over Internet Protocol, a specification for copy protection of copyrighted...
SPF
Webopedia Staff
Short for Sender Policy Framework, an extension of SMTP that stops e-mail spammers from forging the “From” fields in an...
Vangie Beal
( gres traf ik) (n.) Egress traffic is network traffic that begins inside of a network and proceeds through its...
Webopedia Staff
(in gres traf ik) (n.) Ingress traffic is network traffic that originates from outside of the network’s routers and proceeds...
Webopedia Staff
(ch il d -m n ) (n.) Child domain is another name for subdomain; a domain that is part of...
Webopedia Staff
(c ld stand b ) (n.) A method of redundancy in which the secondary (i.e., backup) system is only called...
Webopedia Staff
(hot stand b ) (n.) A method of redundancy in which the primary and secondary (i.e., backup) systems run simultaneously....
Webopedia Staff
Warm standby is a method of redundancy in which the secondary (i.e., backup) system runs in the background of the...
Webopedia Staff
(mar sh&n &-dres ) (n.) An IP address that is invalid because it has been spoofed or is not routable...
Webopedia Staff
(split h&-r z&n) (n.) A routing technique that eliminates the chance of a routing scheme creating routing loops, effectively making...
Webopedia Staff
(bit buk it) (n.) jargon. A computer’s trash can or recycle bin. In networking scenarios, the term is used to...
Webopedia Staff
(ak tiv ri-kon &-zents) (n.) The process of collecting information about an intended target of a malicious hack by probing...
Webopedia Staff
(z n ing) (n.) The process of allocating resources in a SAN to load balance the devices connected to the...
Webopedia Staff
(n.) In token-ring networks, the optional field at the end of a MAC header right before the user data that...
Webopedia Staff
Short for Distance Vector Multicast Routing Protocol, an interior gateway protocol based on RIP that supports connectionless multicast data transmission...
Webopedia Staff
(p rt nok ing) (n.) A method of establishing a connection to a secured network or computer within a network...
OUI
Webopedia Staff
Short for Organizational Unique Identifier, the first 24 bits of a MAC address for a network-connected device, which indicate the...
Webopedia Staff
Another name for a translation look-aside buffer.
Webopedia Staff
(n.) Also referred to as windowing, a method of flow control for transferring data over networks. TCP sends data across...
Vangie Beal
(s -n m) Short for canonical name, also referred to as a CNAME record, a record in a DNS database...
Webopedia Staff
(n.) A device that connects one group of wires to another group of wires through a system of metal pegs...
Short for Ad Hoc On-Demand Distance Vector, AODV is a routing protocol for ad hoc mobile networks with large numbers...
Vangie Beal
(n.) A small, portable flash memory card that plugs into a computer s USB port and functions as a portable...
Webopedia Staff
Commonly referred to as WiMAX or less commonly as WirelessMAN or the Air Interface Standard, IEEE 802.16 is a specification...
Webopedia Staff
A rule for the configuration of 100Base-T, or Fast Ethernet, networks. According to the rule, the maximum network distance, or...
ATL
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Short for Active Template Library, a collection of template-based software routines that can be used to create ActiveX and COM...
Webopedia Staff
Short for Fibre Channel over IP, a network storage technology that combines the features of Fibre Channel and the Internet...
Webopedia Staff
Remote wake-up (RWU) is a generic term for the action of turning on a computer over a network from a...
Webopedia Staff
A network topology in which two concentric rings connect each node on a network instead of one network ring that...
Webopedia Staff
A series of whole numbers in which each number is the sum of the two preceding numbers. Beginning with 0...
Webopedia Staff
A network identity scheme involving multiple repositories of identities instead of a central logical identity repository.
Webopedia Staff
Short for Enterprise Systems Connection, or Enterprise Systems Connectivity, an IBM fiber optic connection technology that interconnects S/390 mainframe computers,...
Webopedia Staff
Short for Fiber Connection, or Fiber Connectivity, IBM s fiber optic channel technology that extends the capabilities of its previous...
Webopedia Staff
Abbreviated as SPP, a networking protocol that provides reliable transport of packets with flow control in environments where multiple transport...
Webopedia Staff
A group of Ethernet or Fast Ethernet devices in a CSMA/CD LAN that are connected by repeaters and compete for...
CIM
Webopedia Staff
Short for Common Information Model, an industry standard, developed by the Distributed Management Task Force (DMTF), for describing data about...
WMI
Webopedia Staff
Short for Windows Management Instrumentation, an API in the Windows operating system that enables devices and systems in a network,...
Also called point of demarcation (POD), demarc extension, or demarc, it is the physical point at which the public network...
Webopedia Staff
Short for minimum point of entry, MPOE is the closest practical point to where the cables of a telecommunications service...
OSS
Webopedia Staff
Short for operational support system, a generic term for a suite of programs that enable an enterprise to monitor, analyze...
Webopedia Staff
(1)The gateway in a network that a computer will use to access another network if a gateway is not specified...
Webopedia Staff
Short for near-end crosstalk (the “X” standing for “cross”), the measurement of crosstalk between two twisted-pair wires. Current flowing through...
Webopedia Staff
Short for AppleTalk Address Resolution Protocol, a protocol for mapping a device’s physical hardware address to a temporary Appletalk network-assigned...
Webopedia Staff
FastIP is an IP switching protocol developed by 3Com. Fast IP differs from other IP switching in that the end...
Webopedia Staff
A repeater that cannot distinguish between a data signal and transmission noise along a network. An amplifier repeater will receive...
Vangie Beal
Often abbreviated STP, a type of copper telephone wiring in which each of the two copper wires that are twisted...
Webopedia Staff
Abbreviated STP, a link management protocol that is part of the IEEE 802.1 standard for media access control bridges. Using...
Webopedia Staff
When used in reference to networks, a giant is a packet that is too large to traverse the network. Network...
Webopedia Staff
When used in reference to networks, a runt is a packet that is too small to traverse the network. Network...
Webopedia Staff
(1) Short for LAN on motherboard. The term refers to a chip or chipset capable of network connections that has...
Webopedia Staff
An Ethernet technology that isolates malfunctioning ports, devices and/or network lines from the rest of the network, stopping the transmission...
Webopedia Staff
Recorded evidence of a system intrusion, typically as part of an intrusion detection system (IDS). When a malicious attack is...
Webopedia Staff
A cable connection used to connect transceivers to a Thicknet coaxial cable in an Ethernet network in a bus topology....
Webopedia Staff
Another name for an edge switch.
Webopedia Staff
Short for medium dependent interface crossover (the “X” representing “crossover”), an Ethernet port connection that allows networked end stations (i.e.,...
Webopedia Staff
Abbreviated MDI, an Ethernet port connection that allows network hubs or switches to connect to other hubs or switches without...
ABR
Webopedia Staff
Short for available bit rate, or Class C quality of service, an ATM bandwidth-allocation service that adjusts the amount of...
CBR
Webopedia Staff
Short for constant bit rate, or Class A quality of service, an ATM bandwidth-allocation service that requires the user to...
UBR
Webopedia Staff
Short for unspecified bit rate, or Class D quality of service, an ATM bandwidth-allocation service that does not guarantee any...
VBR
Webopedia Staff
Short for variable bit rate, or Class B quality of service, an ATM bandwidth-allocation service that allows users to specify...
Webopedia Staff
A system in which the output can be predicted with 100 percent certainty. Contrast with nondeterministic system.
Webopedia Staff
A system in which the output cannot be predicted because there are multiple possible outcomes for each input. Contrast with...
Vangie Beal
A system in computing is a general term for a computer or other piece of technology and all of its...
Vangie Beal
802.3ae is the IEEE name for its 10 Gigabit Ethernet standard (also called 10GE, 10GbE or 10 Gb Ethernet). The...
Webopedia Staff
Pronounced eye skuzzy. Short for Internet SCSI, an IP-based standard for linking data storage devices over a network and transferring...
Webopedia Staff
An open source implementation of the SMB file sharing protocol that provides file and print services to SMB/CIFS clients. Samba...
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The abbreviation for the Latin American and Caribbean Internet Addresses Registry, one of four regional Internet registries that supply and...
Vangie Beal
Often abbreviated SATA or S-ATA, an evolution of the Parallel ATA physical storage interface. Serial ATA is a serial link...
AFP
Webopedia Staff
(1) Short for AppleTalk Filing Protocol, the client/server file sharing protocol used in an AppleTalk network. A non-Apple network can...
EGP
Webopedia Staff
Short for exterior gateway protocol, a generic term for a routing protocol that is used to exchange routing information between...
Vangie Beal
Short for interior gateway protocol, IGP is a generic term for a routing protocol that is used to exchange routing...
Webopedia Staff
A generic term that refers to a formula, or protocol, used by a router to determine the appropriate path over...
ZSL
Webopedia Staff
Short for zero-slot LAN, a local-area network (LAN) that uses existing serial and/or parallel communication ports on the computers in...
Webopedia Staff
Short for universal synchronous receiver-transmitter, a device that combines the transmitting and receiving circuitry for synchronous data communications via the...
Webopedia Staff
A typically inexpensive personal computer, sometimes called a thin client, that enables Internet access and some business-related activities but lacks...
Short for line printer daemon/line printer remote, a printer protocol that uses TCP/IP to establish connections between printers and workstations...
Webopedia Staff
A signaling technique used by data transmission systems in order to indicate the status of network congestion. Devices that are...
CCK
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Short for Complementary Code Keying, a set of 64 eight-bit code words used to encode data for 5.5 and 11Mbps...
MAC
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In technology terms, MAC or Mac can refer to one of three common definitions: (1) An acronym for Media Access...
Webopedia Staff
Amateur radio communication in a range of frequencies from just above the AM broadcast band (1.6 MHz) to the microwave...
IEN
Webopedia Staff
Short for Internet Experiment Notes, a series of documents similar to RFCs concerning the early experimental work in TCP and...
Webopedia Staff
Pronounced at sign or simply as at, this symbol is used in e-mail addressing to separate the user’ name from...
Webopedia Staff
Short for fiber-to-the-curb, the installation of optical fiber from a telephone switch to within 1,000 feet of a home or...
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Short for fiber-to-the-home, the installation of optical fiber from a telephone switch directly into the subscriber s home. Fiber optic...
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Short for intermediate distribution frame, a cable rack that interconnects and manages the telecommunications wiring between an MDF and workstation...
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Short for main distribution frame, a cable rack that interconnects and manages the telecommunications wiring between itself and any number...
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Short for dynamic Domain Name System, a method of keeping a domain name linked to a changing IP address as...
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Abbreviated SOA, a type of resource record that is used by the Domain Name System (DNS). Every domain name has...
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A time interval left vacant (i.e., during which no data is sent) on a transmission channel that can be used...
TAN
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Short for tiny area network, a LAN with only a few nodes. TANs are typically installed in homes or small...
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(sub d -m n ) (n.) Also called a child domain, a domain that is part of a larger domain...
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(1)The set of names in a naming system. (2)A logical grouping of the names used within a program. Also called...
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Short for Home Audio Video interoperability, a vendor-neutral audio-video standard aimed specifically at the home entertainment environment. HAVi allows different...
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Logical topology is also called signal topology. Every LAN has a topology, or the way that the devices on a...
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The physical layout of devices on a network. Every LAN has a topology, or the way that the devices on...
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Also referred to as 802.11 High Rate or Wi-Fi, it is an extension to 802.11 specification developed by the IEEE...
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Central outdoor router (COR) is the central router in a multi-device WLAN. The device is typically placed in a geographic...
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The act of trying repeatedly to connect to an unavailable FTP server with little or no time between connection attempts....
ROR
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Short for remote outdoor router, a device that connects a remote location in a WLAN to either another remote location...
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Pronounced “juxta,” JXTA is Sun Microsystems’ set of open-source peer-to-peer networking protocols that allow any connected device on the network...
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Short for logical partitioning, a system of taking a computer’s total resources – processors, memory and storage — and splitting...
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Also known as Huffman encoding, an algorithm for the lossless compression of files based on the frequency of occurrence of...
ACK
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Short for acknowledgement code, a transmission control character used to indicate that a transmitted message was received uncorruptedor without errors...
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The ratio of the number of bits that are transferred between devices in a specified amount of time, typically one...
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An extension to 802.11 specification developed by the IEEE for wireless LAN (WLAN) technology that is used for transmission over...
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An extension to 802.11 specification developed by the IEEE for wireless LAN (WLAN) technology. 802.11 specifies an over-the-air interface between...
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Short for Hot Standby Routing Protocol, a proprietary protocol from Cisco. HSRP is a routing protocol that provides backup to...
Short for Pre-Boot Execution Environment. Pronounced pixie, PXE is one of the components of Intel’s WfM specification. It allows a...
LCP
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Short for Link Control Protocol, a protocol that is part of the PPP. In PPP communications, both the sending and...
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Acronym for bridge protocol data unit. BPDUs are data messages that are exchanged across the switches within an extended LAN...
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Short for gigabit interface converter, a transceiver that converts serial electric signals to serial optical signals and vice versa. In...