E-business fundamentals glossary

B C D E F G H I J K L M N O P Q R S T U V W X YZ

Accessibility

The segment targeted must be able to be reached and served adequately by the firm's promotion and distribution system.

Address Resolution Protocol (ARP)

Internet protocol (IP) used in IPv4 to map an IP address to a media access control (MAC) address. A MAC is a 48-bit code for layer 2 networking maintained by the Institute of Electrical and Electronics Engineers (IEEE) and hardwired into network adapters. Also called Ethernet address.

Advanced Research Projects Agency Network (ARPANET)

The forerunner of the Internet that was a pioneering long-haul network. It served as the testbed for many areas of inter-network technology development and testing and acted as the central backbone during the development of the Internet.

Advanced ship notice (ASN)

An electronic data interchange (EDI) transaction that identifies the contents of a container that is en route from a supplier to a customer.

Affiliate

Companies that sell other manufacturers' or retailers' (sponsoring merchants') products on their Web sites. Users select a product at the affiliate Web site, but the sale is actually transacted at the sponsoring merchant's Web site.

Aggregator

Enables buyers to select among goods and services from various vendors within a market by collecting information from the vendors' Web sites and then making this information available through its own Web site. The consumer only has to visit the aggregator's Web site, not all the individual vendor sites.

Algorithms

A clearly defined procedure for performing a complex process by carrying out a series of finite steps that lead to a specific result. Algorithms can be written in any computer language.

Analog

Used primarily for broadcast and phone transmission, although these media are moving towards digital transmission today. Telephone transmissions are completed by turning voice vibrations into sound wave vibrations.

Applet

A small program that runs within an application. Applets are commonly used to make otherwise static World Wide Web pages more interactive.

Application

The term is sometimes used in place of “application program,” “software,” or “program,” which are used to process data for the user. Applications also refer to specific areas where computers are applied.

Application architecture (AA)

Describes the layout of an application's deployment. This generally includes partitioned application logic and deployment to application server engines. They rely less on specific tool or language technology and more on standardized middleware options, communication protocols, data gateways, and platform infrastructures.

Application development (AD)

A process that includes the following steps:

1. Identifying a need
2. Defining the requirements
3. Planning the overall application structure or architecture
4. Developing the code or programming instructions
5. Monitoring progress
6. Testing results

Application integration

The process of a) keeping redundant copies of data (in independently designed applications) consistent, and/or b) enabling end-users to access data and functionality from independently designed applications on a single user interface.

Application layer

The top of the seven-layer Open Systems Interconnection (OSI) model, generally regarded as offering an interface to, and largely defined by, the network user.

Application service provider (ASP)

An organization that hosts software applications on its own servers within its own facilities. Customers access the application via private lines or the Internet. Also called a commercial service provider.

Architecture

The overall design of a computing system and the logical and physical interrelationships between its components. The architecture specifies the hardware, software, access methods, and protocols used throughout the system.

Auction

An electronic market, which can exist in both a business-to-business and business-to-consumer context. Sellers offer products or services to buyers through a Web site with a structured process for price setting and fulfilment.

Authentication service

A mechanism for the secure authentication of the identity of network clients by servers and vice versa, without presuming the operating system integrity of either.

Authorization

Occurs when the merchant, its merchant bank, and the customer’s card-issuing bank work together to verify that the electronic payment should be permitted given the customer's credit limit or the amount in the customer’s bank account.

Automated clearinghouse (ACH)

An electronic funds transfer system governed by operating rules that provide clearance of electronic payments with participating financial institutions.

Available to promise

The uncommitted portion of a company's inventory or planned production. This figure is frequently calculated from the master production schedule and is maintained as a tool for order promising.

B

Back-office (back-end)

The business processes and operational functions that happen internally or through the supply chain. These functions often include inventory management, order processing and tracking, shipping and receiving, purchasing and distribution.

Bandwidth

The amount of information that can be effectively pushed through a particular communications pipe at a given time. It is typically measured in bits per second.

Banner ad

A graphic image used on Web sites to advertise a product. Banner ads are typically rectangles of a standard height and width that the user can click on for further information.

Biometrics

A method of identification or authentication that measures a unique physical or behavioral biological characteristic such as a fingerprint, face, voice, or iris of the eye.

Bit

The minimum unit of binary information as stored in a computer system. A bit can have only two states, on or off, which are commonly called ones (1) and zeros (0). The combination of ones and zeros determines which information is entered into and processed by the computer.

Bits per second (BPS)

The basic unit of measurement for serial data transmission capacity. Represented as Kbps, or kilobit/s, for thousands of bits per second; Mbps, or megabit/s, for millions of bits per second; Gbps, or gigabit/s, for billions of bits per second; Tbps, or terabit/s, for trillions of bits per second.

BPR analytical techniques

Mathematical, graphical, logical, and managerial algorithms for describing and modeling business processes, information systems, or management decision-making systems.

BPR methodology

An integrated set of management policies and project management procedures for analyzing existing business processes and systems, designing new processes and systems, testing and managing the implementation process.

BPR tools

Combinations of techniques and software products that allow electronic capture, analysis, testing, simulation, reconfiguration, and persistent memory of business and systems models.

Branding

A trademark or distinctive name identifying a product or a manufacturer.

Bricks and clicks

Traditional companies that create a virtual counterpart of their brick and mortar business are sometimes referred to as hybrids.

Bricks and mortars

A traditional company with non-Web channels (a physical building) as the sales outlet for its products or services.

Broadband

The diameter of the pipe through which information passes. Broad bandwidth technology will allow complex information to be transmitted to users, such as real-time sound and video.

Brochureware site

Establishes an Internet presence with basic features such as company information, directions, hours of operation, and product information. It does not allow transactions or interactivity. Considered to be Level 1 on the CRM continuum.

Browser

A software program used to locate and display information on an intranet, extranet or the Internet. Browsers are most often used to access Web pages and most display graphics, photographs, text, and multimedia information.

Bulletin board system (BBS)

An information systems communications initiative for sharing information and experience via a dial-up message center.

Business driver

The business or industry needs or changes which are the driving force behind making changes within an organization.

Business intelligence (BI)

User-led (versus computer-led) process of exploring data, data relationships, and trends to improve business decision-making. Insights derived from BI’s inquiry and analysis techniques are critical to enterprise-wide strategic planning efforts. BI technology is divided into interactive query tools, reporting tools, decision support systems, and executive information systems.

Business process

An event-driven, end-to-end processing path that starts with an internal or external request and ends with a result for the customer. Business processes are often cross-departmental and can be enterprise wide.

Business process architect

One who focuses on the structure and organization of various business processes. Also, examines how the business process can be improved.

Business process re-engineering (BPR)

The fundamental analysis and radical redesign of business practices and management systems, job definitions, organizational systems, and beliefs and behaviors to achieve dramatic performance improvements throughout the organization. BPR uses objective, quantitative methods and tools to complete these transformations.

 

Business unit

A single business or collection of businesses within a company that, in theory, could stand-alone from the company. A business unit has its own competitors in the marketplace and a manager who is responsible for running the business unit.

Business-to-business

The business model where transactions and interactions are primarily conducted from one business to another. Using electronic means to conduct business, each organization is generally set up through a contractual agreement. Transactions are conducted through Web authorization and control (WAC) for delivery of confidential information, order processing and tracking, and other internal processes available for each partner.

Business-to-consumer

The business model where electronic transactions and interactions are conducted from a business to its consumer. This commerce may include formal and informal relationships.

Business-to-employee

Sometimes referred to as employee self-service; it is offered through intraweb portals (e.g., an HR portal).

Business-to-government

The business model where electronic transactions and interactions are conducted from a business to the government and vice versa. It may include transactions that involve funding, policies and laws, and other governmental business transactions.

Buy side

Processes enabling companies to purchase products. Includes requisitioning, product catalogues, approvals, user identification, purchase order creation, payment processing, and integration with other systems.

C

Cache

A temporary storage area for instructions and data near a computer’s central processing unit (CPU), usually implemented in high-speed memory. It replicates information from main memory or storage in a way that facilitates quicker access, using fewer resources than the original source.

Capacity planning

The function of establishing, measuring, and adjusting limits for the amount of Internet traffic that can be accommodated at any one time. E-business sites need to plan for unpredictable spikes in usage and traffic.

Certificate (certification) authority (CA)

Either internal or third-party entities that affirm or electronically vouch for an individual’s identity. They are used to vouch for the identity of a device, such as a Web server, a network router, or an application. The certificate is backed by a profile stored in a database that is referenced to retrieve a public key or to check attributes such as permissions and roles.

 

 

Change management

Automated support for development, rollout, and maintenance of system components (i.e., intelligent regeneration, package versioning, state control, library control, configuration management, turnover management, and distributed impact sensitivity reporting).

Channel

1. In data communications, a one-way path along which signals can be sent between two or more points.
2. In telecommunications, a transmission path (one-or two-way) between two or more points provided by a common carrier.
3. In business terminology, a channel refers to the route by which a company’s products or services are delivered to the marketplace or end-user. A channel can be referred to as a marketing, sales, or a distribution channel.

Channel master

The application used by trading partners that resides within a single company. An example would be a shared service provider that allows its partners to use an internal application to accomplish a business process.

Clearance

The routing of the payment information from the merchant bank to the card-issuing bank at the end of the business day.

Click through

Occurs when an Internet user clicks the mouse to link through an ad’s text or graphics in order to access the message of the ad or the ad’s Web site.

Clickstream tools

Tools that watch the pages a site visitor browses and keeps track of time spent at the particular location.

Client

A system or a program that requests the activity of one or more other systems or programs, called servers, to accomplish specific tasks. In a client/server environment, the workstation is usually the client.

Client/server (C/S)

The splitting of an application into tasks performed on separate computing devices — a programmable workstation such as a personal computer (PC) and a server. The PC (the client) does some of its own processing, while the server typically stores information and software. The two sides are connected by a local-area network (LAN) or wide-area network (WAN).

Client/server architecture

The division of an application into separate processes capable of operating on separate central processing units (CPUs) connected over a network.

Collaboration technologies

Computer-mediated groupware that increases the productivity or functionality of person-to-person processes.

 

Collaborative extranet

Occurs when all trading partners agree to use the same application functionality. This type is normally used for collaborative applications such as the development of products.

Collaborative commerce (C-Commerce)

Electronically enabled business interactions among an enterprise's internal personnel, suppliers, business partners, and customers throughout a given trading community.

Collaborative filtering

A marketing technique that automatically provides a consumer with a list of additional items similar to the current purchase.

Common gateway interface (CGI)

A data-passing specification used when a Web server must send or receive data from an application such as a database. A CGI script passes the request from the Web server to a database, gets the output, and returns it to the Web client.

Communication

Transmission of information between points of transmission and reception, without alteration of sequence or structure of the content.

Communication protocol

The exchange of a special sequence of control characters between a computer and a remote terminal to establish synchronous communications.

Community

A constantly changing group of people collaborating and sharing their ideas over an electronic network (e.g., the Internet). Communities optimize their collective power by affiliation around a common interest. Information can be shared via bulletin boards, chat rooms, list servers, etc.

Concurrency

A measure of the number of users engaged in transactions at the same time. This information is critical for capacity planning.

Confidentiality

Protection of data from unauthorized viewing.

Configuration management

A function that enables impact/dependency analysis of application components.

Connect

To join to or by means of a communications circuit.

Connectivity

In IT terms, it refers to the ability to connect to or communicate with another computer or computer system. In e-business the term often refers to connecting to the Internet, or the ability to connect to a Web site.

Consumer-to-consumer

A business model where consumers have the capability to conduct electronic transactions with other consumers. This often includes online auction or trading sites.

 

Content provider

An enterprise with information-based products. It also includes services to access and manage the content.

Cookie

A permanent code placed in a file on a client computer’s hard disk by a server that the client has visited. The code uniquely identifies the client. When the PC user returns, they are automatically entered into the site without relogging in.

Customer

One that purchases a commodity or service. Many organizations are changing their focus towards the customer and attempting to best meet and satisfy their needs.

Customer analysis

An analysis of customer data by using historic records of customer behavior to build estimates of future behavior such as loyalty, responsiveness, and profitability.

Customer management systems

An application or set of applications used by marketing professionals to design multi-channel marketing campaigns and track the effect of those campaigns by customer segment over time.

Customer profile

A definition of the customer in terms of the various market segmentation variables. E-businesses must be able to identify each customer’s preferences, behaviors, and demographics.

Customer relationship management (CRM)

An enterprise-wide business strategy designed to optimize profitability, revenue, and customer needs satisfaction. To accomplish this the enterprise must organize operations around customer segments, fostering customer satisfying behaviors and linking processes from customers back through suppliers.

Customer service and support (CSS)

Systems such as help desks and sales and marketing systems that provide front-line support with back-end linkage for interaction with customers (e.g., tracking, resolution and escalation). A CSS tracking system tracks and reports inquiries resolved during the initial contact and those that require follow-up.

Customer-centric

The business strategy of CRM that clearly places the customer at the heart of an enterprise's strategy. Firms that employ this strategy will not only enable themselves to provide greater value to customers but will be able to serve these customers faster and more accurately than any competitor.

Customization

Occurs when a site permits choices among static categories. It involves features to allow Web visitors to select how certain pages are displayed. The user, not the Web site’s content creator, is in control of the content.

 

 

D

Data integrity

A performance measure based on the rate of undetected errors.

Data mart

A decentralized subset of data found in a data warehouse that is designed to support the unique business unit requirements of a specific decision support system.

Data mining

The process of identifying patterns from typically large amounts of business data and extracting useful information. It can be performed by people, intelligent agents, or other machine-based learning and analysis techniques. Data mining is often applied to data stored on a data warehouse.

Data synchronization

A form of embedded middleware that allows applications to update data on two systems so that the data sets are identical. These services can run via a variety of different transports but typically require some application-specific knowledge of the context and notion of the data being synchronized.

Data warehouse

A central computer repository that stores all (or significant portions of) the data collected by an enterprise’s multiple business systems. Data from online transaction processing applications and other sources is selectively collected, extracted, sorted, and cleaned. Then it is stored in a data warehouse, which is usually housed in an enterprise mainframe server.

Database administrator (DBA)

The person responsible for managing data, namely data set placement, database performance, and data recovery and integrity at a physical level.

Database management system (DBMS)

A software package that enables end users or application programmers to share data. It provides a systematic method of creating, updating, retrieving, and storing information in a database (DB). DBMSs are generally also responsible for data integrity, data access control, and automated rollback, restart, and recovery.

Decision support systems

A system designed to support strategic (versus operating) decisions. Decision support systems allow the computer rather than the user to make decisions. The system tends to be user-friendly and emphasize ad hoc query, reporting, and analysis capabilities. This is in contrast to online transaction processing, which focuses on low-cost, fast-response, and predictably structured applications.

Demand planning

Order and market information flows upstream continuously from the point of sale, while information on product availability and inventory levels flow downstream.

Digital

The generation, storing, processing, and transmission of all electronic data (e.g., words, numbers, even voices) in one of two states represented as 0s and 1s. Computers only understand and read digital data.

Digital certificate

An electronic document that is issued by a certificate authority to verify a public key for a company.

Digital money

Electronic money used on the Internet.

Digital signature

String of bits that identifies the originator of a message or transaction and is the result of the application of the originator’s private key to a one-way hash of the (encrypted) message file. Also provides message integrity.

Directory services

Middleware that locates the correct and full network address for a mail addressee from a partial name or address. A directory service provides a naming service and extends the capabilities to include intelligent searching and location of resources in the directory structure.

Disintermediation

The elimination of the middleman in the channel to market. The term has been used to focus on the theoretical advantages of purchasing directly from companies on the Web, such as convenience, cost savings, and fast turnaround time.

Domain

1.       A group of nodes on a network forming an administrative entity.

2.       On the Internet, a part of the naming hierarchy that refers to groupings of networks based on organization type or geography.

Domain name

A unique identifier for an Internet site. Consists of at least two (but sometimes more) parts separated by periods (e.g., http://www.anyname.com).

Domain Name System (or Service) (DNS)

Name resolution software that lets users locate computers on a UNIX network or the Internet (TCP/IP network) by domain name. The DNS root name servers maintain a database of domain names (host names) and their corresponding IP addresses and are responsible for one or more top-level domain names, e.g., com or edu.

Dot-com

A company that was started with the intent of doing business over the Internet. Also referred to as a virtual company.

Dynamic HTML

HTML that supports real-time personalization of Web page content.

E

E-Business

Involves any Internet-enabled business activity that transforms internal and external relationships to create new value and exploit market opportunities driven by new rules of the connected economy.

 

E-Commerce (EC)

The use of communication technologies to transmit business information and transact business. Taking an order over the telephone is a simple form of EC. Internet commerce is also EC but is only one of several advanced forms of EC that use technology, integrated applications, and business processes to link enterprises.

E-Commerce Modeling Language (ECML)

An open standard, rather than a programming language, that will function with any security protocol (e.g., SSL or SET) and support any type of consumer payment card. It was developed through collaboration with the credit card companies.

Electronic benefits transfer (EBT)

The electronic delivery of government benefits to recipients by means of a special debit card issued to the recipient.

Electronic bill presentment/payment (EBPP)

The electronic capability for companies to post bills online and allow their customers to pay the bill electronically.

Electronic data interchange (EDI)

The electronic exchange of trading documents (e.g., invoices and orders) to enable e-commerce. Originally conducted only through value-added networks, EDI is gradually moving to the Internet.

Electronic funds transfer (EFT)

The electronic exchange of information between financial institutions, which results in debits and credits.

Electronic wallet

A place that holds digital money that has been purchased, or credit card information along with a digital certificate, that identifies the consumer as the authorized cardholder.

E-Mail

Any communication service that permits the electronic transmission and storage of messages, (generally text or graphics), and attached or enclosed files.

E-Market maker

Intermediaries that develop a business-to-business e-marketplace of buyers and sellers within an industry, geographic region, or affinity group.

E-Marketplace

A Web site that enables buyers to select from many suppliers. The purpose is to put the buyer in control and provide decision support tools that enable a buyer to make the most informed decision.

Enabling technologies

Technologies or systems that enable an organization to become an e-business.

Encryption

The process of systematically encoding a bit stream before transmission so that an unauthorized party cannot decipher it.

Enterprise resource planning (ERP)

The integration of financial, manufacturing, and distribution functionality to balance and optimize the enterprise.

E-Service

Internet-based customer service. It is seen as a way to reduce the volume of calls to call centers and collect all customer inquiries and complaints into one streamlined place.

E-Tailer

Retail organization that provides their customers with a virtual shopping experience as close to an in-store visit as possible.

E-Team

A team of people who are involved with the planning, development, and implementation of an e-business initiative.

Ethernet

A baseband local-area network (LAN) developed by Xerox and supported by Intel, Digital Equipment, and Hewlett-Packard. It has a bus topology with carrier sense multiple access with collision detection (CSMA/CD) access control.

Executive information systems (EIS)

Application system designed for use by the corporate executive. The EIS acts as a usable interface to a database of company information. It automates high-level analysis and reporting and typically has a user-friendly graphical interface.

Extensible markup language (XML)

A metalanguage that provides a flexible way to create common information formats and share both the format and the data on the Web.

Extranet

A collaborative, Internet-based network to link an enterprise with its suppliers, customers or other external business partners and to facilitate intercompany relationships. Extranets use Internet-derived applications and technology to become the secured extensions of internal business processes to external business partners.

F

Fat client

In the client/server environment, it is the client that performs the bulk of the data processing operations. This data is then stored on the server.

Fault tolerance

Refers to the ability of the system to continue non-stop when a failure occurs. In the event one component fails, another takes over without a disruption in performance.

File Transfer Protocol (FTP)

A Transmission Control Protocol/Internet Protocol (TCP/IP) standard used to log on to a network, list directories, and copy files. It provides authentication of the user and lets users transfer files, list directories, delete and rename files on the foreign host, and perform wild-card transfers.

 

Financial products Markup Language (FpML)

A schema for a specific type of financial instrument in the financial services industry.

Firewall

An application or an entire computer that controls access to the network and monitors the flow of network traffic. A firewall can screen and keep out unwanted network traffic and ward off outside intrusion into a private network, which is particularly important when connected to the Internet.

Front-office (front-end)

The business interactions that take place with the customer or an external body. It includes such functions as marketing, sales, product support, and order taking.

Fully Qualified Domain Name (FQDN)

The address of a network connection that identifies the owner of that address in a hierarchical format (e.g., www.whitehouse.gov).

G

Gateway

Software that can interpret and translate different protocols from two distinct networks.

Government-to-consumer

A business model where the government interacts directly with the consumer through electronic means. This includes such areas as tax, social services, and government funding.

Graphical user interface (GUI)

A graphics-based operating system interface that uses icons, menus, and a mouse to manage interaction with the system. Application program conformance with a single user interface style is the primary determinant of ease of learning and use, and thus, of application effectiveness and user productivity.

H

Horizontal portal

A business-to-business site that sells goods and services across many different industries.

Hybrid business

A brick-and-mortar business that has responded to Internet threats by creating a Web front-end with links to back-end systems. It is also a dot com that is creating traditional infrastructure, such as a warehouse and logistics system, to meet customer expectations.

Hypertext

Text (or graphics) with hidden coding (created with HTML). When you point and click on the hypertext it brings up a new Web page (or other objects such as graphics or sound files).

Hypertext linking

Links in a Web page that let users jump from page to page, whether the pages are stored on the same server or on servers around the world. Sometimes referred to simply as hyperlinks.

 

HyperText Markup Language (HTML)

A document-formatting language derived from the Standard Generalized Markup Language (SGML), predominately used to create World Wide Web pages. The user’s browser interprets HTML commands and formats the page layout, fonts, and graphics on the screen. One of the more powerful features of HTML is its ability to create hyperlinks. Dynamic HTML supports real-time personalization of Web page content.

HyperText Transport Protocol (HTTP)

The communications protocol used to connect to servers on the World Wide Web. It functions by establishing a connection with a Web server and transmitting HTML pages to the client browser. Addresses of Web sites begin with an

http:// prefix.

HyperText Transport Protocol Secure (HTTPS)

The protocol for accessing a secure Web server. Using HTTPS in the URL instead of HTTP directs the message to a secure port number rather than the universal default Web port.

I

Image understanding

Systems that analyze captured, still video images and extract their content (e.g., color, texture, shape) for indexing or other action. Image understanding is used for content-based retrieval of image archives.

Individual consumerism

A demand for customized delivery of products and services that match the value definition of each unique customer served, not the homogeneous requirements of a generalized or mass market.

Infomediary

An information provider that gathers content from several sources and functions as a data aggregator for a target audience to access via a Web site.

Infrastructure

From a business perspective, the infrastructure is a shared resource, the state of which bounds the adaptability and change capacity of the enterprise. From a technology perspective, it is the enterprise wide technology used to support the e-business environment and includes the hardware, software, physical plant, communications platforms, network systems, and database architecture.

Infrastructure architect

One whose role is to examine and manage the architecture (including the design and structure) of the organization’s IT infrastructure and how that relates to the rest of the organization.

Infrastructure management (IM)

The integration of an enterprise’s IT infrastructure into the larger physical infrastructure, which includes facilities and shared services.

 

 

Integration hubs

An emerging form of super-processware; rather than a new technology, they are a way of architecting an integration solution. They provide real-time transformation, translation, and routing of messages across multiple enterprises. They support multiple data formats (including EDI formats and XML) and multidimensional views of the data.

Integration testing

Putting together software and/or hardware components and testing to see that they work together until a whole integrated system is assembled.

Integrity

Protection of data from unauthorized modification.

Intellectual assets

Intangible assets including employees' knowledge; data and information about processes, experts, products, customers, and competitors; brand names and image; and intellectual property, such as patented, trademarked, or copyrighted materials and regulatory licenses.

Intermediary

A participant in the marketing or distribution channel used by companies to get their products to the ultimate customer. Traditional intermediaries are wholesalers, distributors, brokers, and agents.

International Telecommunications Union (ITU)

The ITU is an international organization founded in 1865 and headquartered in Geneva that sets communications standards. The ITU is comprised of over 150 member countries. (See www.itu.ch.)

Internet

A loose confederation of independent yet interconnected networks that use the Transmission Control Protocol/Internet Protocol (TCP/IP) protocols for communications. The Internet evolved from research done during the 1960s on a network called the ARPANet. It provides universal connectivity and three levels of network services: connectionless packet delivery, full-duplex stream delivery, and application-level services (mainly electronic mail/e-mail).

Internet commerce

A subset of e-commerce, where transactions occur only over the Internet. It is only one of several advanced forms that use technology, integrated applications, and business processes to align enterprises. Sometimes called Web commerce.

Internet Control Message Protocol (ICMP)

A route management protocol that is part of the Internet Protocol (IP) suite, handling error and control messages.

Internet Group Management Protocol (IGMP)

IGMP is used for IP multicast, which is a communication between a single sender and multiple receivers on a network. IGMP is used to exchange membership status data between IP routers that support multicasting and members of multicast groups.

 

 

Internet Protocol (IP)

A protocol that tracks the address of nodes, routes outgoing messages, and recognizes incoming messages.

Internet service provider (ISP)

A company that provides Internet access to its customers. Access to the Internet can be provided either via modem or by direct connection, which offers far higher speeds. Internet service providers are different from online services, although these services sometimes also provide access to the Internet.

Interoperability

The ability of one system to communicate or work with another.

Interstitial ad

An advertisement on a Web site that is more like a TV commercial. Interstitial ads display in a separate window as a Web page is downloading.

Intranet