I

I for IP address

abbreviation / acronyms	Term	Definition
I²C	Inter-Integrated Circuit	a multi-master serial computer bus invented by Philips that is used to attach low-speed peripherals to a motherboard, embedded system, or cellphone. The name is pronounced eye-squared-see or eye-two-see.
I/O	Input/Output	Input/Output
I2	Internet2	next-generation Internet refers to consortium and government efforts to define a next-generation high-speed Internet with strong educational tools.
I2C	Inter-Integrated Circuit	2-wire bus developed by Philips Semiconductors in the early 1980's for efficient inter-IC communications.
IA-32/64	Intel Architecture - 32/64	acronym used in the names of Intel processor architectures. IA-32: Intel proprietary CISC architecture IA-64 :based on Explicitly Parallel Instruction Computing and certainly designed as the foundation for Intel's line of microprocessors through 2005.
IaaS	integration as a service	integration as a service
IAB	Internet Architecture Board (previous Internet Activities Board)	The group that administrates the development of the Internet suite of protocols TCP/IP. The IAB has two investigative task forces, the IRTF and the IETF. http://www.iab.org/
IAD	integrated access device	A network device that collects multiple types of traffic (such as voice, data or video) at an enterprise site for transmission over a service provider's network.
IAM	Identity and Access Management	IAM is an authoritative association of people with identifiers such as ID numbers and ID cards, access credentials such as usernames/passwords and authorization to access data and services. Identity and access management is fundamental for providing access to university services.
iAMT	Intel Active Management Technology	Hardware-based technology for remotely managing and securing PCs out-of-band
IANA	Internet Assigned Numbers Authority	they manage IP address space, root nameservers and domain names among other things. They're being replaced by ICANN. http://www.iana.org/
IAP	Internet Access Provider	a company that provides access to the Internet. IAPs generally provide dial-up access through a modem and PPP connection, though companies that offer Internet access with other devices
IAS	Internet Authentication Service	a RADIUS Server which performs connection authentication and accounting for remote access.
IAT	Inside Air Temperature	This is used in the electronics industry to mean the ambient air temperature of the air mass within the unit in discussion.
IB	Interface Bus	IB stands for Interface Bus
IBM	International Business Machines	Known informally as "Big Blue," IBM is one of the largest, most well-known corporations that designs and manufactures computer systems, software, networking systems, storage devices, and microelectronics. www.ibm.com
IBG	interblock gap	The space between records on a storage medium. An area or space on a data medium (tape or diskette) to indicate the end of a physical record or block.
IBO	industry business unit	SAP's Public Services Solution Management
IBR	intelligent browser referencing	Web acceleration function
IBS	Internet Banking System Group	IBS is term for Internet Banking System
IBSG	Internet Business Solutions Group	Cisco IBSG, company's global consultancy, helps CXOs from the world's largest public and private-sector organizations solve their most pressing challenges.
IBT	IntelliLight Broadband Transport Internet Based Training	A SONET-based point-to-point service providing high bandwidth interfaces over shared SONET infrastructure facilities. Evolution of the computer based training, which offers real-time learning over the Internet with a teacher.
IC	Integrated Circuit I see	Many transistors and other circuit elements “integrated” on a single silicon chip Shorthand slang, IC, meaning "I see".
ICA	Independent Computing Architecture International Compliance Association	A proprietary protocol for an application server system, designed by Citrix Systems. The protocol lays down a specification for passing data between server and clients, but is not bound to any one platform. International Compliance Association www.int-comp.org
ICANN	Internet Corporation For Assigned Names and Numbers	The ICANN is an non-profit corporation that is responsible for allocating IP address and managing the domain name system. Every computer connected to the Internet, from servers to home PCs, has an IP address. http://www.icann.org/
ICC	Internet Commerce Corporation	Provides business-to-business electronic commerce services like Internet EDI, EDI fax, web commerce, infosafe document management and subsidiary services. www.icc.net
ICCs	integration competency centers	SOA COEs, ICCs rely on metadata repositories and service registries to help them manage the ever-changing SOA and integration scenarios.
ICDL	International Computer Driving Licence	The ICDL Foundation works to promote an International certification of industry-standard computing skills. See http://www.ecdl.com
ICE	in-circuit emulator information and content exchange Interactive Connectivity Establishment	ICE is a debugging tool that takes the place of (emulates) the processor on the target board. ICE, an XML-based standard protocol for electronic business-to-business (B2B) asset management. ICE is a network protocol
ICF	Internet Connection Firewall	ICF is a Windows XP feature that protects computers connected to the Internet from unauthorized access. When ICF is enabled, Windows keeps a log of incoming requests from other systems on the Internet. If the request is something the user has requested, like a Web page, the transmission will not be affected.
ICI	Information-centric infrastructure Interexchange Carrier Interface	a technology framework that enables information producers and information consumers to organize, share and exchange any content, anytime, anywhere. The interface between carrier networks that support SMDS (Switched Multimegabit Data Service).
ICM	incentive compensation management	applications automate functions for calculating and reporting on commissions and associated variable compensation methods for sales channels
ICMP	Internet Control Message Protocol	When information is transferred over the Internet, computer systems send and receive data using the TCP/IP protocol. If there is a problem with the connection, error and status messages regarding the connection are sent using ICMP, which is part of the Internet protocol.
ICMS	incentive compensation management system	A system that provide the sales manager with decision support tools to model various compensation scenarios, measure the impact of those plans on sales performance and effectively communicate incentive compensation objectives
ICP	Internet Content Provider	ICP license is a permit issued by the Chinese Ministry of Industry and Information Technology to permit China-based websites to operate in China. The ICP license numbers for Chinese websites can often be found on the bottom of the front webpage.
ICPP	Intel Channel Partner Program	a program that provides benefits and support to registered members selling Intel products, or solutions based on Intel products. The ICPP provides its members with resources and support to help build, promote, sell, and service Intel technologies.
ICQ	I Seek You	Instant messenger program
ICRA	Internet Content Rating Association	an organization that promotes voluntary labeling of the content of web pages so that filter software can prevent access to objectionable sites. See www.icra.org.
ICS	Incremental Change Synchronization Internet Connection Sharing	A mechanism to monitor, export, and import changed items (both hierarchy and content) between a database and an information store or between two information stores Abbreviation used by Microsoft to refer to the internet connection sharing facility built into more recent versions of Windows. Allows multiple computers to share a single internet connection which is provided by one computer in a group.
ICSA	International Computer Security Association	International Computer Security Association
ICSI	Institute for Clinical Systems Improvement	ICSI is a non-profit organization that brings together diverse groups to transform the health care system so that it delivers patient-centered and value-driven care. http://www.icsi.org/
ICT	information and communication technology	A categorical term sometimes used (particularly in Europe) to refer the combined fields of computing and communications. More commonly, "information technology" (IT) is used in this sense, since the latter term, by definition, includes both types of technology.
ICU	International Components for Unicode	an Open Source set of C/C++ and Java libraries for Unicode and software internationalization support. For information, see http://www.icu-project.org/
ID	identifier	A sequence of bits or characters that identifies a user, program, device, or system to another user, program, device, or system. In the C language, a sequence of letters, digits, and underscores used to identify a data object or function. In COBOL, a data name that is unique or is made unique by the correct combination of qualifiers, subscripts, or indexes. The name of an item in a program written in the Java language. One or more characters used to identify or name a data element and possibly to indicate certain properties of that data element.
IDA	(Verizon) Internet Dedicated Access	Verizon's IDA offers permanently open, high bandwidth, dedicated connections to a global Internet backbone network via access circuits
IDARS	integrated document archive and retrieval system	IDARS is a consolidated system for storing, accessing, managing, distributing and viewing fixed content, which includes print-stream-originated reports, images and other fixed content.
IDC	Internet data center	A data center containing Internet-related facilities for the use of enterprises, Internet service providers, ASPs, e-commerce companies and other firms. IDSs typically provide server outsourcing, hosting and colocation services, Internet connectivity, VPNs, and other network and transport services.
IDD	international direct dial / dialing	The placement of international calls by dialing them directly, rather than using operator assistance.
IDE	Integrated Development Environment integrated drive electronics	A development environment that is integrated into an application. A standard computer interface for storage devices, such as internal hard disk drives. A later version, enhanced IDE (EIDE), supports more capacity and peripherals.
IDEA	International Data Encryption Algorithm	Patented, symmetric block cipher that uses a 128-bit key and operates on 64-bit blocks.
I-DEAS	Integrated-Design Engineering Analysis Software	a CAD/CAM software package of SDRC which was bought in 2002 by EDS and now merged into UGS's product NX (Unigraphics).
IDEMA	International Disk drive Equipment and Materials Association	International not-for-profit trade association that represents the Hard Disk Drive (HDD) industry and its infrastructure. See also http://www.idema.org/
iDEN	integrated digital enhanced network	A Motorola-enhanced mobile radio network technology that integrates two-way radio, telephone, text messaging, and data transmission into a single network.
IDIM	Identity Information Management	A set of principles, practices, policies, processes and procedures that are used within an organization to manage identity information and realize desired outcomes concerning identity
IDIOT	Intrusion Detection In Our Time	Project to develop a new approach to efficient misuse detection methods. Its design made use of a new classification of intrusion methods based on complexity of matching and temporal characteristics
IDIQ	indefinite delivery/indefinite quantity;	Contracts that enable government customers to buy IT services from pre-selected vendors at pre-negotiated rates. These contracts, developed and administered by individual government organizations to meet their own IT service requirements, are usually available to all federal agencies for a small administrative fee.
IDL	Interface Definition Language	A language used to describe the interface to a software component or routine in a manner that is not dependent on a particular programming language or operating system.
IDM	Internet Download Manager	IDM is a tool to increase download speeds by up to 5 times, resume and schedule downloads. http://www.internetdownloadmanager.com/
IDOL	Intelligent Data Operating Layer	heart of Autonomy's infrastructure
IDOM	integrated document and output management	Gartner's term for an integrated collection of technologies, architectures and services aimed at applying the value of information in documents to business practices. IDOM takes a digital approach to reducing the burden and cost of paper-based documents.
IDQ	Informatica Data Quality	Informatica Data Quality Solution delivers pervasive data quality
IDR	Intelligent Disaster Recovery	Backup exec option for tape-based system recovery
IDS	intrusion detection system	Software that detects attempts or successful attacks on monitored resources that are part of a network or host system. Software that notifies the user of attempts to hack into, disrupt, or deny service to the system.
IDT	(originally) International Discount Telecommunications	a telecommunications and energy company headquartered in Newark, New Jersey. http://www.idt.net/
iDTV	Interactive digital television	A digital television broadcast linked to a return path that enables consumers to send and receive individualized messages in real time on their television set.
IDU	interface data unit	interface data unit
IE	Internet Explorer	Microsoft Internet Explorer. cf IE4, IE5, IE6, MSIE.
IEC	Inter-exchange Carrier International Electrotechnical Commission	A long distance telephone company. an organization that sets numerous standards for the electronics industry. Web address: www.iec.ch.
IEE	Institution of Electrical Engineers	See them at HTTP://IEE.ORG
IEEE	Institute of Electrical and Electronics Engineers	An organization of engineers, scientists and students involved in electrical, electronics and related fields. IEEE 802 standard is the most widely recognized in the computer industry. See also: http://www.ieee.org/
IES	Integrated Environmental Solutions	The IES SketchUp plug-in is a toolbar that sits within the Google SketchUp application and gives direct access to all of Integrated Environmental Solutions (IES) building simulation tools.
IETF	Internet Engineering Task Force	This subgroup of the Internet Society is responsible for recommending protocols and procedures used over the Internet. It comprises representatives from vendor, government and academic communities, and is divided into six subcommittees. http://www.ietf.org/
IFB	Internet Free/Busy	Microsoft Outlook feature
iFCP	Internet Fibre Channel Protocol	an emerging protocol dealing with backup and storage. It is a gateway-to-gateway protocol for the implementation of a Fibre Channel fabric in which TCP/IP switching and routing elements replace Fibre Channel components.
IFL	Integrated Facility for Linux	an IBM mainframe processor dedicated to running the Linux operating system, with or without z/VM.
iFrame	inline frame	a browser feature that enables an HTML page to be displayed within its own rectangle anywhere on another HTML page. When necessary, inline frames contain horizontal and vertical scrollbars to enable users to view all of the page's contents within the frame.
IFRS	International Financial Reporting Standards	principles-based Standards, Interpretations and the Framework (1989)[1] adopted by the International Accounting Standards Board (IASB).
iGEMS	Integrated Global Enterprise Management System	AT&T system correlates network events to predict and solve potential problems before they impact clients’ applications.
IGF	Internet Governance Forum	a multi-stakeholder forum for policy dialogue on issues of Internet governance. Its establishment was announced by the UN Secretary General in July 2006. It first convened in October/November 2006.
IGMP	Internet Group Management Protocol	The TCP/IP protocol that permits Internet hosts to take part in IP multicasting. It is an efficient means of broadcasting messages to groups of end-stations
IGP	interior gateway protocol	A type of network protocol used by interior routers to move information within an autonomous system or group of networks under the control and authority of a single entity. IGPs transfer packets from one network to an adjacent one.
IGRP	Interior Gateway Routing Protocol	Kind of IGP which is a distance-vector routing protocol invented by Cisco, used by routers to exchange routing data within an autonomous system
IGS	IBM Global Services	IBM Global Services
IHS	Integrated Heat Spreader	The top surface of the IHS is designed to be the interface for contacting a HS/HSF. Allows more effecient heat transfer out of the package to an attached cooling device. Transform non-uniform heat from the die to the top of the IHS for more uniform spread
IHV	Independent hardware vendor	a hardware-manufacturing company that specializes in a specific type of hardware device and not a complete computer system.
IIOP	Internet Inter-ORB Protocol	a protocol that extends TCP/IP by adding CORBA defined messages for objects to connect to each other over the network.
IIS	Internet Information Server	Microsoft's Hypertext Transport Protocol (HTTP) server, originally packaged with the Windows NT operating system.
IKE	Internet Key Exchange	an IETF standard approach to exchanging keys for communications, typically used with implementations of IPSec.
ILEC	Independent Local Exchange Carrier	These companies are the historical "Independents" who operate a local telephone business.
ILEs	Immersive learning environments	learning situations that are constructed using a variety of techniques and software tools including game-based learning, simulation-based learning and virtual worlds.
ILM	IBM License Manager Information Lifecycle Management	Planned technology announced by IBM as part of the zSeries product launch in October 2000. The ILM monitor would have allowed IBM and other participating vendors to supply usage information to determine license compliance and provide a vehicle for software asset management. Information Lifecycle Management.
iLO	Integrated Lights-Out	Remote management feature on HP servers.
ILP	initial loader program	reads an existing file containing database records; also called a boot-loader
IM	Identity Management Instant Messaging	an integrated system of business processes, policies and technologies that enable organizations to facilitate and control their users' access to critical online applications and resources while protecting confidential personal and business information from unauthorized users. The facility to send and receive virtually instantaneous text messages across the internet allowing a text based conversation in real time. This allows two (or more) people with the same (or compatible) instant messaging software to type messages to each other.
IMAC	installations, moves, adds and changes	General term for the routine work performed on computer equipment in an enterprise, including installations, relocations and upgrades
IMAP	Internet Message Access Protocol	It is a method of accessing e-mail messages on a server without having to download them to your local hard drive. This is the main difference between IMAP and another popular e-mail protocol called "POP3." POP3 requires users to download messages to their hard drive before reading them. The advantage of using an IMAP mail server is that users can check their mail from multiple computers and always see the same messages.
IMAPI	Image Mastering Application Programming Interface	Allows an application to stage and burn a simple audio or data image to CD-R or CD-RW devices
IMC	Intelligent Management Center Internet Mail Consortium	HP's single pane management platform that allows for management/visibility and integration of traditionally separate management tools an international organization focused on cooperatively managing and promoting the rapidly-expanding world of electronic mail on the Internet. http://www.imc.org/
IME	Input Method Editor	A program that performs the conversion between keystrokes and ideographs or other characters, usually by user-guided dictionary lookup.
IMEI	International Mobile Equipment Identifier	Unique code given to mobile phones to identify them. The code is locked to the phone and not the sim.
IMS	Information Management System IP multimedia systems	DBMS from IBM IMS is an emerging architecture standard that defines how network elements interoperate to provide voice, data, and video services and applications in any combination, on any network (fixed or mobile).
IMSI	International Mobile Subscriber Identity	A unique number within the SIM card that identifies the subscriber to the system
IMUX	Inverse Multiplexer	Inverse Multiplexer
INAP	Intelligent Network Application Protocol	Allows applications to communicate between various nodes/functional entities of an intelligent network. The protocol defines the operations required to be performed between nodes/functional entities for providing intelligent network services
INC	International Network of Crackers	one of the premier cracking/releasing warez for the IBM PC during the very late 1980s and early 90s.
InfoSec	Information Security	Protection of information to insure confidentiality, integrity, and availability.
INI file	initialization file	Commonly used in Microsoft Windows 3.x and earlier, INI files have been used by both the operating system and individual applications to store persistent settings related to an application, driver, or piece of hardware.
Inmarsat	International Maritime Satellite Organization	A global mobile satellite communications operator with headquarters in London. Originally formed as an intergovernmental organization, Inmarsat became a limited company in 1999.
INTAP	Interoperability Technology Association for Information Processing	The technical organization that officially develops Japanese OSI profiles and conformance tests
Intel	INTegrated ELectronics	CPU market leader.
InterNIC	Internet Network Information Center	he InterNIC is an organization created by the National Science Foundation to provide Internet information and domain name registration services. While the InterNIC was started as a joint effort between Network Solutions and AT&T, it is now run by the Internet Corporation For Assigned Names and Numbers (ICANN).
IOA	input/output adapter	A functional unit or a part of an I/O controller that connects devices to an I/O processor. For devices, the electrical circuits on a logic card that connect one device to another. A circuit board containing logic and internal software that bridges an internal processor or memory interconnect scheme and an external, common, standard channel or link.
IOCA	Image Object Content Architecture	A defined data stream used to store raster image data. An architecture that provides a collection of constructs used to interchange and present images.
IOD	in-order delivery	In fibre-channel technology, a parameter that, when set, guarantees that frames are either delivered in order or dropped.
iODBC	Independent Open DataBase Connectivity	Open source, platform independent implementation of both the ODBC and X/Open specifications. It is rapidly emerging as the industry standard for developing solutions that are language, platform and database independent. See also http://www.iodbc.org/
IOM	Integrated Object Model	a set of object-based interfaces to features or services that are provided by Base SAS software. IOM enables application developers to use industry-standard programming languages, programming tools, and communication protocols to develop client programs that access these services on IOM servers.
IONL	Internal Organization of the Network Layer	The ISO/OSI standard for the architecture of the network layer. The IONL divides the network layer into subnetworks interconnected by convergence protocols (internetworking protocols), resulting in a catenet or internet
IOP	Interoperability	Ability of equipment from different manufacturers (or different implementations) to operate together.
IOPS	Input/Output operations per second	Input/Output operations per second.
IoS	Internet over Satellite	This technology allows a user to access the Internet via a satellite that orbits the earth. From a fixed position (also referred to as GEOS), the statellite is able to maintain a reliable connection to the antennas on the earth. It orbits the earth at the exact speed of the earth's rotation.
iOS	iPhone OS	iOS (previously iPhone OS) is a mobile operating system developed by Apple Inc. and distributed exclusively for Apple hardware. It is the operating system that powers many of the company's iDevices.
IOS	international operator services (IOS Telecom) Internetwork Operating System	call center operator-services providers in the U.S. http://www.iostelecom.com/ the software used on the vast majority of Cisco Systems routers and current Cisco network switches.
IOTP	Internet Open Trading Protocol	an IETF specification which defines a way to create a business trading environment that is more reliable and personal than existing methods by giving the consumer more opportunities to interact directly with all parties of a transaction.
IoT	Internet of Things	IoT is when the Internet and networks expand to places such as manufacturing floors, energy grids, healthcare facilities, and transportation.
I-PNNI	Integrated Private Network-Network Interface	PNNI-compatible protocol used to exchange information between routers that augment or replace protocols such as OSPF and IPX.
IP	Intellectual Property Internet Protocol	IP is the rights in ideas (e.g. in an invention which will be protected by patent law) or expression of ideas (e.g. a book or drawing which will be protected by copyright law) The basic underlying protocol of the Internet, originally developed during a 15-year period under the auspices of the U.S. Department of Defense. Used in conjunction with TCP, it provides a common address system and communications protocol to track the addresses of network nodes, route outgoing messages and recognize incoming ones.
IP address /number	Internet Protocol addresss /number	Internet Protocol address (IP address) is a unique number consisting of 4 parts separated by dots, e.g. 165.113.245.3 Every machine that is on the Internet has a unique IP number.
IP PBX	Internet Protocol private branch exchange	IP PBX vendors replace the traditional TDM/PCM circuit switching and offer a IP-switching platform for voice communications. The communication servers provide true multimedia capability and offer many advantages for high bandwidth applications.
IP telephony	Internet Protocol telephony	Voice traffic or data traffic that has traditionally been treated like voice traffic — it is transmitted over an IP network. Three distinct types of IP telephony traffic exist: real-time voice, non-real-time voice and fax.
IPA	intelligent process automation	The automation of repeatable operational decisions within business process sets
IPAM	Intellectual property asset management IP Address Management	Discovering and exploiting gaps in competitors' patent strategies and their own patent strategies and inventing or acquiring intellectual property (IP) to cover those gaps. IP Address Management
IPC	interprocess communication	The process by which programs send messages to each other. A mechanism of an operating system that allows processes to communicate with each other within the same computer or over a network.
IPL	initial program load	The process that loads the system programs from the system auxiliary storage, checks the system hardware, and prepares the system for user operations. The process of loading the operating system and other basic software into main storage.
IPL / IPLC	international private line / international private leased circuit	point-to-point private line used by an organization to communicate between offices that are geographically dispersed throughout the world.
IPM	Internetwork Performance Monitor	Cisco network response time and availability troubleshooting application
IPMX	IP management exchange	A service, residing in the network, operated by a neutral provider that mediates quality of service, revenue settlement, and performance management among different carrier networks.
IPP	Internet Printing Protocol	A client-server protocol for printing over the Internet. The Mac OS X printing infrastructure and the Mac OS X Server print service that’s built on it support IPP.
IPPP	Internet presence provider and promoter	a company that helps an enterprise create a Web site, arrange for hosting (housing, maintaining, and providing Internet access) for the Web site, and promote an audience for it.
IPR	Intellectual Property Rights	a legal field related to creations of the mind such as musical, literary, and artistic works; inventions; and symbols, names, images, and designs used in commerce, including copyrights, trademarks, patents, and related rights.
IPRM	intellectual property rights management	IPR management
IPRR	Intellectual property rights and royalties	software lets companies with digital media assets monetize those assets by issuing contracts that license the use of their IP for distribution, incorporation with advertising, use in consumer products, or display through traditional and digital means in vehicles other than those owned by the copyright holder.
IPS	intrusion prevention system	Beyond an IDS, an IPS takes the additional step of blocking the attempted intrusion. IPS monitors network and/or system activities for malicious or unwanted behavior and can react, in real-time, to block or prevent those activities.
IPSec	IP Security	A collection of Internet Engineering Task Force (IETF) standards that define an architecture at the IP layer to protect IP traffic by using various security services. A protocol that provides cryptographic security services at the network layer.
IPT	Identity Protection Technology IP telephony	technology in 2nd Generation Intel® Core™ processor platforms the transmission of voice conversations (phone-to-phone) over packet IPT — switched IP data networks, such as private enterprise LANs, WANs, intranets and the Internet. Specifically, IP telephony involves the delivery of the telephony application over IP, instead of a circuit-switched or other modality.
IPTV	Internet Protocol Television	a term used to describe the distribution of video and TV services via a broadband connection using Internet technology. IPTV is commonly associated with the delivery of on-demand TV, where viewers access programming as and when they want without waiting for broadcast schedules. In PC Internet terms, IPTV is used to describe the delivery of content over Internet infrastructure using a set of proprietary protocols developed by a technology provider such as Joost.
IPv4	Internet Protocol, version 4	The most widley used version of the IP. IPv4 allows for a theoretical maximum of approximately four billion IP Numbers (technically 232), but the actual number is far less due to inefficiencies in the way blocks of numbers are handled by networks.
IPv6	Internet Protocal version 6	Every computer system and device connected to the Internet is located by an IP address. The current system of distributing IP addresses is called IPv4. This system assigns each computer a 32-bit numeric address, such as 120.121.123.124.
IPv6CP	IPv6 PPP Control Protocol	responsible for configuring, enabling and disabling the IPv6 protocol modules on both ends of a PPP link.
IPX	Internetwork Packet Exchange	It is a networking protocol used to connect networks based on Novell's NetWare. IPX is "connectionless," meaning it doesn't require connections to be maintained during an exchange of packets, like a phone call does.
IR	InfraRed Internet Registry	An IR device is one which is able to use infrared for communication, a type of wireless device. The IANA has the discretionary authority to delegate portions of its responsibility and, with respect to network address and Autonomous System identifiers, has lodged this responsibility with an IR.
IRC	Internet Relay Chat	Basically a huge multi-user live chat facility. There are a number of major IRC servers around the world which are linked to each other. Anyone can create a channel and anything that anyone types in a given channel is seen by all others in the channel.
IRF	Intelligent Resilient Framework	HP frankwork built to fail over to other switches in case of an outage or other disaster.
iRMC	Integrated Remote Management Controller	Implementation of a Remote Access Card (RAC) by Fujitsu
IRP	I/o Request Packet	Data structure used by Windows to communicate to kernel-mode device drivers
IRQ	Interrupt Request	PCs use interrupt requests to manage various hardware operations. Devices such as sound cards, modems, and keyboards can all send interrupt requests to the processor.
IRS	Interrupt Source	Synonymous with bad guys, snakes, nightmares, ulcers, high blood pressure, audits and system crashes! See them at HTTP://WWW.IRS.GOV
IRTF	Internet Research Task Force	a group focused on researching Internet protocols, applications, architecture and technology http://www.irtf.org/
IRU	Indefeasible Right of Use	a contractual agreement between the operators of a communications cable, such as submarine communications cable
IS	Information Systems	the department that is in charge of information services, information management and computing in general in larger businesses.
ISA	Industry Standard Adapter Internet Security and Acceleration	The original 8- and 16-bit expansion card standard used in PCs. ISA cards run at a bus speed of 8MHz. Microsoft Firewall Client.
ISACA	Information Systems Audit and Control Association	See http://www.isaca.org/
ISAM	Indexed Sequential Access Method	a popular form of record retrieval from files on larger systems. This method was consistent with IBM's method of dealing with multiple users in the same file at the same time.
ISATAP	Intra-Site Automatic Tunnel Addressing Protocol	an IPv6 transition mechanism meant to transmit IPv6 packets between dual-stack nodes
ISC	Internet Software Consortium	a nonprofit corporation dedicated to production-quality software engineering for key Internet standards http://www.isc.org/
iSCSI	Internet SCSI	A proposed network transport standard — supported by a group of vendors that include Cisco Systems, Adaptec and IBM — designed to enables SANs to be built using SCSI protocols. It works by encapsulating SCSI data in IP packets for transport over IP-based networks.
ISDN	Integrated Services Digital Network	A technical standard and design philosophy for digital networks. ISDN provides high-speed, high-bandwidth channels to subscribers via the public switched telephone network, achieving end-to-end digital functions with standard equipment interface devices.
IS-IS	Intermediate-System-to-Intermediate-System	A routing method among intermediate systems that requires the end systems, rather than the intermediate systems, to be responsible for providing error correction. It reduces complexity and overhead of routing protocols.
ISIS	Image and Scanner Interface Specification	A common interface standard that allows consistent scanner control dialogue. Created by Pixel Translations (now part of ActionPoint), ISIS has become a popular standard for document-imaging scanners.
ISL	inter-switch link	The physical connection that carries a protocol for interconnecting multiple routers and switches in a SAN.
ISM	industrial, scientific and medical	The industrial, scientific and medical (ISM) radio bands.
ISN	Initial Sequence Numbers	A number, created by an operating system, that computers use to reconstruct data sent over the Internet.
ISO	International Organization for Standardization	ISO followed by a number is used to identify one of the published ISO standards. www.iso.org - ISO Home Page
ISOC	Internet SOCiety	Based in Herndon, Virginia, the Internet Society promotes the Internet and coordinates standards. You can visit their site (http://www.isoc.org/)
ISP	Internet Service Provider	An institution that provides access to the Internet in some form, usually for money.
ISR	interrupt service routine	A small piece of software executed in response to a particular interrupt.
ISS	Internet Security Systems	An security software vendor headquartered in Atlanta. acquired by IBM
ISSAC	Information System for Advanced Academic Computing	Serves as a clearinghouse for information about the use of IBM-compatible hardware and software as aids to instruction and research in higher education. Membership is free to all students, faculty, and staff at these institutions.
ISTG	InterSite Topology Generator	Managing active directory replication
ISUP	ISDN User Part	part of the SS #7 which is used to set up telephone calls in PSTN
ISV	independent software vendor	A software producer that is not owned or controlled by a major IT vendor. An ISV is a company whose primary function is to distribute software.
IT	Information Technology	broad subject concerned with technology and other aspects of managing and processing information, especially in large organizations.
ITAD	IT asset disposition	Processes to redeploy, remarket, donate, recycle, or dispose of IT assets in compliance with data security, environmental, and industry regulations.
ITAM	IT asset management	A systematic approach to managing IT assets throughout their life cycle, from procurement through retirement and disposal.
ITC	IT consolidation	IT consolidation
ITCAM	IBM Tivoli Composite Application Monitoring	IBM Tivoli IT management sofware
ITCM	IT Change Management	tool functionality governs documentation, review, approval, coordination, scheduling, monitoring and reporting of RFCs. The basic functional requirements begin in the area of case documentation, with industry-standard assignment capabilities of classification and categorization.
ITCS	Intermodal Transport Control System	Performance-minded transport system place high demands on the quality of their transport network.
ITeS	Information Technology Enabled Services	outsourcing of processes that can be enabled with information technology and covers diverse areas like finance, HR, administration, health care, telecommunication, manufacturing etc. Armed with technology and manpower, these services are provided from e-enabled locations.
ITIL	Information Technology Infrastructure Library	An initiative developed by the Central Computing and Telecommunications Agency consultancy for the government of the United Kingdom. It offers a set of best practices in 24 service delivery and IT service support areas, including help desk, problem management, change management, software distribution and cost control.
ITL	Instructional Technology Lab	The ACCC's ITL, which helps faculty and computer support staff work with instructional technology. see the ITL home page.
ITLA	Incremented Three Letter Acronym	at one time IBM ran out of TLAs. In order to move to four letter acronyms, they had to come up with a four letter acronym to replace TLA. So ITLA was adopted as the "standard" to describe all four letter acronyms!
ITO	IT outsourcing	The contractual vehicle through which enterprises use external sources to provide life cycle service and support operations for their IT infrastructure. Outsourcing can be partial or total, and can involve not only operations but also the acquisition of customer assets and personnel.
ITOM	IT operations management	IT operations management
ITU	International Telecommunication Union	This is an international organization, headquartered in Geneva, Switzerland, within which governments and the private sector coordinate global telecommunications networks and services. See also: http://www.itu.int/
ITWAB	IT Workload Automation Broker Tools	technology designed to overcome the static and manual nature of scheduling jobs. It's capable of managing mixed workloads based on business policies, where resources are assigned and unassigned in an automated fashion to meet service-level objectives.
ITXC	Internet Telephony Exchange Carrier	a US based wholesale provider of VoiP, Internet-based phone calls. acquired by Teleglobe Bermuda Ltd. in 2004
IVANS	International Value Added Network Services	IVANS is an external public telecommunication service which provides customers with enhanced services such as electronic mailbox messaging, data interchange or database access and retrieval etc.
IVDT	Integrated Voice and Data Terminal	A dual function device incorporating both a terminal keyboard/display and voice telephone.
IVIS	in-vehicle information system	A system that enables intelligent vehicles to provide the functionality to increase the productivity and safety of the driver.
IVR	interactive voice response	This function enables callers to push buttons in response to voice prompts to listen to recorded information, or have their calls automatically routed to an appropriate queue or party.
IXC	Interexchange Carrier	Any individual, partnership, association, joint-stock company, trust, governmental entity or corporation engaged for hire in interstate or foreign communication by wire or radio between two or more exchanges.
IXS	Integrated xSeries Server	An Intel server that fits inside System i products to support larger Windows application demands.
	icon	Symbols or illustrations on the desktop or computer screen that indicate program files, documents, or other functions.
	Idea management	a structured process of generating, capturing, discussing and improving, organizing, evaluating and prioritizing valuable insight or alternative thinking that would otherwise not have emerged through normal processes.
	IGN	IGN is an entertainment website that focuses on video games, films, music and other media. http://www.ign.com/
	index	The name on some operating systems for a directory listing of files. The starting point of a data set. For example, say a record within a sector of a cylinder of a disk. The first bit of the container does not have user data. It is the pointer to the index of that container. A file of information, usually small amounts of the same information in another file that is much larger. The smaller file also keeps track of the exact record number of the record in the large file containing the same information, only in much greater detail.
	iLink	iLink is the registered trademark of Sony's IEEE 1394 digital connection.
	Instagram	Instagram is an online mobile photo-sharing, video-sharing and social networking service that enables its users to take pictures and videos, and share them on a variety of social networking platforms. The name "Instagram" is a portmanteau of "instant camera" and "telegram"
	insourcing	The process of separating the IS organization from the enterprise, usually as a business unit measured by its own profit and loss. The insourced IS organization provides the enterprise with IT services on a business-rules basis.
	interface	Connection between two systems or devices. A display technique, used primarily in the early 1990s, that enables a monitor to provide more resolution inexpensively. The preparation a graphic image so that alternating rows are displayed in separate passes. Interlaced images give a unique effect because the entire image is displayed quickly and then details are filled in gradually.
	Internet	The word "internet" literally means "network of networks". In itself, the Internet is comprised of thousands of smaller regional networks scattered throughout the globe.
	Internet telephony	Use of Internet protocols for transmitting two-way audio signals in real time, as an alternative to traditional telephone carriers.
	InterNIC	the entity that controls the registration of most domain names on the Internet. The InterNIC is a cooperative activity between the National Science Foundation, Network Solutions, Inc. and AT&T. HTTP://WWW.INTERNIC.NET.
	intranet	An intranet is a constrained version of the Internet usually owned and controlled by a single company or organisation. Intranets can still be world-wide, use TCP/IP protocols, and be structured as a collection of networks but the greatest difference is that access is limited to a set of authorised users using firewalls and other mechanisms.
	IsoHunt	isoHunt is a BitTorrent index with over 1.7 million torrents in its database and 20 million peers from indexed torrents. http://isohunt.com/
	Itanium	A new processor generation introduced by Intel in 2001, based on IA-64 architecture.