A set of Windows program calls that let you write a Web server application that will run faster than a CGI application. ISAPI creates a Dynamic Link Library (DLL) application file that runs as part of the HTTP application's process and address space. 

An organization that provides access to the internet. Access ISPs directly connect clients to the internet using copper wires, wireless or fiber-optic connections.

An IP-based storage networking standard for linking data storage facilities, developed by the Internet Engineering Task Force (IETF). iSCSI is used to facilitate data transfers over intranets and manage storage over long distances. 

An integral component of SAP's mySAP product group, the Internet Transaction Server (ITS) is the interface that enables efficient communication between an R/3 system of applications and the Internet. 

The act of promoting products and services through the Internet using online/software tools and methodologies. 

A networking protocol from Novell that interconnects networks that use Novell's NetWare clients and servers. IPX is a datagram or packet protocol. IPX works at the Network layer of communication protocols and is connectionless.

A term used by Cisco, BBN, and other providers of network products and services as a comprehensive term for all the concepts, technologies, and generic devices that allow people and their computers to communicate across different kinds of networks.

A program whose instructions are actually a logically sequenced series of operating system commands, handled one at a time by a command interpreter. In turn, the command interpreter requests services from the operating system. 

A set of programming interfaces that allow a programmer to coordinate activities among different program processes that can run concurrently in an operating system. This allows a program to handle many user requests at the same time. 

An assigned location where the computer can expect a particular device to interrupt it when the device sends the computer signals about its operation. 

InterSystems Caché is an advanced database management system and rapid application development environment that provides multiple modes of data access. Data is only described once in a single integrated data dictionary and is instantly available using object access, high-performance SQL, and powerful multidimensional access – all of which can simultaneously access the same data. Caché comes with several built-in scripting languages, and is compatible with the most popular development tools.

A method to measure the precise dollar of the Intranet.

A type of security management system for computers and networks. An ID system gathers and analyzes information from various areas within a computer or a network to identify possible security breaches.

An intrusion detection system (IDS) is a device or software application that monitors network or system activities for malicious activities or policy violations and produces reports to a management station. Some of the types of IDS include network based (NIDS) and host based (HIDS) intrusion detection systems. Intrusion detection and prevention systems (IDPS) are primarily focused on identifying possible incidents, logging information about them, and reporting attempts.

A preemptive approach to network security used to identify potential threats and respond to them swiftly. It monitors network traffic, and is able to take quick action after an attack, based on a set of rules established by the network administrator. 

Intrusion prevention systems (IPS), also known as intrusion detection and prevention systems (IDPS), are network security appliances that monitor network and/or system activities for malicious activity. The main functions of intrusion prevention systems are to identify malicious activity, log information about this activity, attempt to block/stop it, and report it.