I.356
ITU-T Specifications for Traffic Measurement.

I.361
B-ISDN ATM Layer Specification.

I.362
B-ISDN ATM Layer (AAL) Functional Description.

I.363
B-ISDN ATM Layer (AAL) Specification.

I.432
ITU-T Recommendation for B-ISDN User-network Interface.

I/O
Input and output, that is, information going into or coming out of a program, computer, or other computer-type device.

I/O redirection
See redirection.

IAB (Internet Activities Board)
The technical body that oversees the development of the Internet suite of protocols (commonly referred to as TCP/IP). It has two task forces (the IRTF and the IETF), each charged with investigating a particular area.

IAB
See Internet Advisory Board (IAB) /.

IAB
The Internet Internet Architecture Board of the Internet Society - . /Internet

IAD
A dynamic analyser from IBM giving information on run time performance and code utilisation.

IAFA
Internet internet Anonymous FTP FTP Archives. An IETF IETF working group.

IANA
Internet internet Assigned Numbers Authority - .

IANA
See Internet Assigned Numbers Authority (IANA) /.

IASG
Internetwork Address Sub-Group: A range of internetwork layer addresses summarized in an internetwork layer routing protocol.

IBM
International Business Machines -

IBM
See International Business Machines (IBM) /.

IBN
The Belgian standards institute.

ICADD
International Committee for Accessible Document Design. Dedicated to making printed materials accessible to persons with print disabilities. Works on the generation of Braille, large print or electronically navigable editions of books from desktop publishing files - . gopher://gopher.mic.ucla.edu:4334/11/ICADD/info

I-CASE
Integrated CASE CASE: another term for an IPSE IPSE.

ICCP
Institute for Certification of Computing Professionals.

ICD
International Code Designator: This identifies an international organization. The registration authority for the International Code Designator is maintained by the British Standards Institute. The length of this field is two octets.

ICMP (Internet Control Message Protocol)
A protocol at the Internet layer of the DoD model that sends messages between routers and other devices, letting them know of congested routes.

ICMP
See Internet Control Message Protocol (ICMP) /.

icon
A cute, little picture used in conjunction with a GUI. A well-designed icon is supposed to be an obvious, unmistakable symbol of whatever it stands for, occupy much less space than do the equivalent words, and be cute. In practice, many icons are peculiar little pictures with no obvious meaning.

icon A visual representation of an object including a set of operations for the object.

ICQ:
Online instant messaging program developed by Mirabilis Ltd.

ICR
Initial Cell Rate: An ABR service parameter, in cells/sec, that is the rate at which a source should send initially and after an idle period.

ICSI
International Computer Science Isntitute at Berkeley, CA. - . /ICSI

IDE
Interactive Development Environments: a US Software Engineering Company.

IDE
See Integrated Disk Electronics (IDE) /.

IDEA
International Data Encryption Algorithm (used by PGP PGP).

IDENÒ:
is Motorola’s proprietary technology for Integrated Digital Enhanced Networks. It allows business users to take full advantage of wireless technology by combining the capabilities of a digital mobile phone, a two-way radio, an alphanumeric pager and a data/fax modem in a single mobile device.

IDL
Interactive Data Language. A package for interactive reduction, analysis, and visualization of scientific data, from Research Systems, Inc. - . /rsinc

IDL
Interface Definition Language: an OSF OSF standard for defining RPC RPC stubs.

IDL
Interface Definition Language: associated with the CORBA CORBA standard - . /IDL

IDL
See Interface Definition Language (IDL) /.

IDP
See Internetwork Datagram Protocol (IDP) /.

IDSS
Intelligent Decision Support Systems.

IDU
Interface Data Unit: The unit of information transferred to/from the upper layer in a single interaction across the SAP. Each IDU contains interface control information and may also contain the whole or part of the SDU.

IEC
Inter-exchange Carrier: A long distance telephone company.

IEC
International Electrotechnical Commission: a standardisation body at the same level as ISO ISO - . /ISO

IEEE (Institute of Electrical and Electronics Engineers)
A professional ANSI- accredited body of scientists and engineers based in the United States. IEEE promoters standardization, and consults to the American National Standards Institute on matters relating to electrical to electrical and electronic development. The IEEE 802 Standards Committee is the leading official standard organization for LANs.

IEEE 1076
The IEEE IEEE standard for VHDL VHDL..

IEEE 488
The IEEE IEEE standard for GPIB GPIB.

IEEE 802
The IEEE IEEE standards for local area networks (LAN LANs). The Ethernet Ethernet standard is 802.3, the IBM Token Ring Token-Ring is IEEE 802.5.

IEEE 802.3
A Local Area Network protocol suite commonly known as Ethernet. Ethernet has either a 10 Mbps or 100 Mbps throughput and uses Carrier Sense Multiple Access bus with Collision Detection CSMA/CD. This method allows users to share the network cable. However, only one station can use the cable at a time. A variety of physical medium dependent protocols are supported.

IEEE 802.5
A Local Area Network protocol suite commonly known as Token Ring. A standard originated by IBM for a token passing ring network that can be configured in a star topology. Versions supported are 4 Mbps and 16 Mbps.

IEEE
Institute of Electrical and Electronics Engineers (USA) - . /IEEE

IEEE
Institute of Electrical and Electronics Engineers: A worldwide engineering publishing and standards-making body for the electronics industry.

IEF
Information Engineering Facility. A CASE tool CASE-tools from Texas Instruments which generates code from graphical business process models.

IESG (Internet Engineering Steering Group)
The executive committee of the IETF.

IESG
Internet Engineering Steering Group. Part of the Internet internet Society responsible for technical management of IETF IETF activities and the Internet Standards process - . /Internet

IETF (Internet Engineering Task Force)
One of the task force of the IAB. The IETF is responsible for solving short-term engineering needs of the Internet. It has over 40 Working Groups.

IETF
Internet Engineering Task Force. A group of people who make technical and other contributions to the engineering and evolution of the Internet Internet and its technologies. It is the principal body engaged in the development of new Internet Standard specifications - . /Internet

IETF
Internet Engineering Task Force. This is a working group charged with developing new standards and technologies for adoption on the internet.

IETF
Internet Engineering Task Force: The organization that provides the coordination of standards and specification development for TCP/IP networking.

IETF
See Internet Engineering Task Force (IETF) /.

IETF:
Internet Engineering Task Force is an international organization that defines and develops Internet standards specifications.

IETM
Interactive Electronic Technical Manual.

IFAC
International Federation of Automatic Control, involved in informatics related to control systems.

IFDL
Independent Form Description Language: DEC's language for describing form-based human interfaces in DECforms DECforms.

IFIP
International Federation of Information Processing - . /Internet

IFPUG
International Function-point Function-point Users Group

IFS
See Institutional File System (IFS) /.

IGES
Initial Graphics Exchange Specification an ASME/ANSI standard for the exchange of CAD CAD data.

IGMP
See Internet Group Management Protocol (IGMP) /.

IGP (Interior Gateway Protocol)
The protocol used to exchange routing information between collaborating router in the Internet. RIP and OSPF are examples of IGPs.

IGP
See Internet Gateway Protocol (IGP) /.

IIDMS/
R Integrated database management system a DBMS from Cullinet Software Inc.

IIIS
International Institute of Informatics and Systemics.

ILMI
Integrated Local Managment Interface: An ATM Forum defined interim specification for network management functions between an end user and a public or private network and between a public network and a private network. This is based on a limited subset of SNMP capabilities.

ILU
Inter Language Unification. A system from Xerox PARC that promotes software interoperability via interfaces - . /ILU

IM
See Instance Manager (IM) /.

IMAP
INTERACTIVE MAIL ACCESS PROTOCOL. In communications: the difference between the highest and lowest frequencies available for transmission in any given range. In Networking: The transmission capacity of a computer or a communication channel stated in mega bits per second.

IMAP
See Internet Mail Access Protocol (IMAP) /.

IMAP:
Internet Message Access Protocol for retriving e-mail messages.

Immediate version
See Child version Child-version.

impact printers
Printers that work by hitting a ribbon against the paper. They're old-fashioned, but they still work.

IMS
Information Management System a DBMS DBMS from IBM.

IMSE
Integrated Modelling Support Environment an Esprit Esprit programme.

IMT-2000:
International Mobile Telecommunications 2000 is an ITU concept that defines that group of technological solutions that enable 3rd Generation mobile systems.

Increment
To increase the value of a variable by one. In JavaScript, this is done with the increment operator, …

incremental backup
A backup copy of only the files that have changed since the last full backup.

Independent Software Vendor (ISV)
A company that sells software that was originally created or manufactured by a different company.

INCOSE
International Council on Systems Engineering. An international organization formed to develop nurture and enhance the system engineering approach to multi-disciplinary system product development

INDEX
(Multiple meanings) (a) A term used to describe a web page which contains links to other webpages of a specific category. (b) Another term used to describe the means by which a search engine catalogs a web site. (c) Most commonly, the main or starting page of a website.

individual alias
A mail alias for an individual user.

Induced Uplink
An uplink "A" that is created due to the existence of an uplink "B" in the child peer group represented by the node that created uplink "A". Both "A" and "B" share the same upnode, which is higher in the PNNI hierarchy than the peer group in which uplink "A" is seen.

Inference engine
A program that infers facts from a set of knowledge or inputs.

Inference
The logical process by which new facts are derived from known facts.

infinite loop
See recursion /r.

INFN
Istituto Nazionale di Fisica Nucleare an Italian State research organisation .

Informix
A relational DBMS relational-DBMS vendor.

INGRES
A relational DBMS relational-DBMS vendor.

Inheritance
In object-oriented object-oriented programming, the ability to derive new classes from existing classes. A derived class class inherits the instance variables and methods of the base class, and may add new instance variables and methods. A new method method may be defined with the same names as one in the base class, in which case it overrides the original one.

inkjet printers
Printers that work by spitting tiny drops of ink at the page. They are quiet relatively fast.

inode
Pointer to a data block or another inode.

input mode
When you use the ed or vi text editors, you are either in command mode or input mode. In input mode, whatever you type is entered into the file.

INRIA
Institut National de Recherche en Informatique et Automatique, French computer science research institute.

Inside Link
Synonymous with horizontal link.

instance
A particular object of an object type.

Instance ID
A subset of an object's attributes which serve to uniquely identify a MIB instance.

Instance Manager (IM)
Provides the fundamental operations that support the management of multiple instances of an object type.

Instantiation
A more precisely defined version of some object which was already partially defined. In object-oriented object-oriented programming, a particular example of an object produced from its class template.

Institutional File System (IFS)
A specific instance of a distributed file system (DFS) /d, based on the Andrew File System (AFS) /a developed at CMU /c, allowing multiple file systems /f to be shared between organizations and treated, at the user interface level, as one giant file system. Modified by IBM / and in use at The University of Michigan.

Integrated Disk Electronics (IDE)
Also known as Advanced Technology Adapter (ATA) /a, an interface for mass storage devices, in which the controller is integrated into the disk or CD-ROM drive.

Integrated Services Digital Network (ISDN)
Combines voice and digital network services in a single medium. Defined in RFC 2127 ftp://ftp.isi.edu/in-notes/rfc2127.txt.

Integrated Services Digital Network (ISDN)
A new network standard that allows high-speed communication over ordinary category 3 or 5 copper cabling. It may someday replace conventional phone systems with high-speed, digital lines.

InterBase
A commercial active DBMS active-DBMS.

interface
A description of a set of possible operations that a client may request of an object. A listing of the operations and attributes that an object provided.

Interface Architect
An interface builder for Motif Motif distributed by Hewlett-Packard (see UIMX UIMX).

Interface Definition Language (IDL)
OMG /o CORBA /c specification providing a standard language for defining the interfaces to objects that clients call and object implementations provide.

Interior
Denotes that an item (e.g., link, node, or reachable address) is inside of a PNNI routing domain.

Interlaced
Method of significantly increasing data densities at conventional Horizontal scan rates. Half the image is refreshed (every other scan line) to produce a field. Two fields are refreshed at rates of 87 Hz forming one 43.5 Hz frame. Causes flicker on the display.

Interleaf
A document preparation system available on the Sun, VAX, Apollo and other workstations.

INTERLINK
A commercial product comprising hardware and software for file transfer between IBM and VAX computers.

Intermedia
A hypertext hypertext system developed by a research group at IRIS IRIS (Brown University).

Intermedia Interchange Format
A Standard Hypertext Hypertext Interchange format from IRIS IRIS.

Intermetrics
A software engineering company .

internal firewall
A firewall between two or more subnets within a company. See also firewall /f.

Internal Reachable Address
An address of a destination that is directly attached to the logical node advertising the address.

International Business Machines (IBM)
One of the major mainframe computer manufacturers, as well as a personal computer designer. Manufacturer of many mainframes.

International Standard Organizations (ISO)
A worldwide federation of national standards bodies whose objective is to promote the development of standardization and related activities in over 90 countries, with a view to facilitating international exchange of goods and services.

International Standards Organization (ISO)
An organization responsible for determining standards, including standards on computer hardware and protocols.

International Telecommunications Union (ITU)
The committee that defines telecommunications standards, like Asynchronous Transfer Mode (ATM) /a and Integrated Services Digital Network (ISDN) /. The new name for the International Telegraph and Telephone Consultative Committee (CCITT) /.

International Telegraph and Telephone Consultative Committee (CCITT)
The committee that defines telecommunications standards. Now known as the International Telecommunications Union (ITU) /.

Internet
A global network made up of a large number of individual networks interconnected through the use TCP/IP protocols. The individual networks comprising the Internet are from colleges, universities, businesses research organizations, government agencies, individuals and other bodies. The government body of this global network is the Internet Activities Board (IAB). When the term Internet is used with an upper-case I, it refers to global network, but with a lower-case i, it simply means a group of interconnected networks.

internet
A large and growing set of interconnected computer networks to which many Unix systems are directly or indirectly connected.

internet
A large meta-network of machines and other networks that exchange data such as electronic mail and news. When used with a capital I ("Internet") it refers to the specific worldwide network built upon the DARPA networks, the NSFnet, and other regional and national networks. When used with a small i ("internet") it refers to any large network of computers. See also Local Area Network (LAN) /l, network /n, Wide Area Network (WAN) /w.

Internet
A loosely-organized international collaboration of autonomous, interconnected networks, supporting host-to-host communication through voluntary adherence to open protocols and procedures defined by Internet Standards, typically based on the TCP/IP TCP/IP protocol suite - . /Internet

Internet Address
A 32-bit value displayed in number that specifies a particular network and a particular node on that network.

Internet Address
A thirty-two-bit number that uniquely identifies an Internet Internet host. It is usually represented as four 8-bit numbers separated by dots e.g. 128.121.4.5. It consists of a network number and a host number, and can be subdivided in several ways.

Internet Advisory Board (IAB)
The organization tasked with maintaining and expanding the standards of the Internet. Among their responsibilities are the Internet Requests for Comment (RFC) /r, that propose and define new standards ftp://ftp.isi.edu/in-notes/rfc1160.txt.

Internet Assigned Numbers Authority (IANA)
The organization responsible for matching unique numerical addresses (IP addresses) to computer names for the Internet. Their web site is at. See also Domain Naming Service (DNS) /d, Internet /, Internet Protocol /, IP family /.

Internet Control Message Protocol (ICMP)
A message-passing protocol ftp://ftp.isi.edu/in-notes/rfc792.txt that defines the control of IP packets.

Internet Engineering Task Force (IETF)
One of the committees that steers new engineering developments for the Internet. Such developments include the Dynamic Host Configuration Protocol (DHCP) /d and the next version(s) of the Internet Protocol, IPNG or IPv6 /.

Internet Gateway Protocol (IGP)
A protocol used to communicate routing information between Internet routers.

Internet Group Management Protocol (IGMP)
A protocol used to form and dissolve groups on the MBONE.

Internet Layer
The layer in DoD model that relates to the Network layer of the OSI model.

Internet Mail Access Protocol (IMAP)
A protocol that defines how a client should fetch mail from and return mail to a mail server. IMAP is intended as a replacement for or extension to the Post Office Protocol (POP) /p. It is defined in RFC 1203 (v3) ftp://ftp.isi.edu/in-notes/rfc1203.txt and RFC 2060 (v4) ftp://ftp.isi.edu/in-notes/rfc2060.txt.

Internet Protocol (IP)
The internetwork datagram delivery protocol that is central to the Internet protocol family. Currently at version 4 (RFC 791) ftp://ftp.isi.edu/in-notes/rfc791.txt, a new version is forthcoming from the Internet Engineering Task Force (IETF) / known as either IPNG (for "Next Generation" ftp://ftp.isi.edu/in-notes/rfc1752.txt) or IPv6 / (for version 6 ftp://ftp.isi.edu/in-notes/rfc2460.txt). See also IP family /.

Internet Protocol (IP)
The Network layer protocol upon which the Internet is based. IP provides a simple connectionless packet exchange. Other protocols such as UDP or TCP use IP to perform their connection-oriented or guaranteed delivery services. See TCP/IP, Internet.

Internet Protocol Next Generation (IPNG)
See Internet Protocol version 6 (IPv6) /.

Internet Protocol version 6 (IPv6)
Also known as IP Next Generation (IPNG), the next generation of the Internet Protocol. Reserves a larger address space and several new configuration and security options to fix shortcomings that the current version of IP (v4), created in the 1960s, doesn't address. See also Internet Protocol (IP) /.

Internet Service Provider (ISP)
A company that provides a connection to the Internet, such as UUNET Technologies.

INTERNET
The Internet is the catch-all word used to describe the massive world-wide network of computers. The word "internet" literally means "network of networks". In itself, the Internet is comprised of thousands of smaller regional networks scattered throughout the globe. On any given day it connects roughly 50 million users in over 70 countries. It is the communication backbone that ties together computers from all around the world commonly known as the "Information Superhighway." The Internet includes such interfaces and standards as: World Wide Web, FTP, NNTP, Telnet, and Gopher.

Internetwork Datagram Protocol (IDP)
Part of the Xerox Network System (XNS) /x developed at Xerox PARC. Used as the basis for the Internetwork Packet Exchange (IPX) /.

Internetwork Packet Exchange (IPX)
A network protocol developed by Novell for its Netware product. It will hopefully be obsoleted by IP / in the moderate-term future. Provides datagram (unreliable) delivery. See also Internetwork Datagram Protocol (IDP) /, User Datagram Protocol (UDP) /u.

Internetwork Packet exchange
The Network and Transport layer protocol developed by Novell for its Netware product. IPX is a routable, connection-oriented protocol similar to TCP/IP but much easier to manage and with lower communication overhead. See Internet Protocol.

Internetworking
The process of connecting multiple local-area networks to form a wide-area network (WAN). Internetwork between different types of networks is handled by a router.

INTERNIC
The main source of all domain names issued within the United States. InterNIC is the controlling agency which handles all of the domain names, and domain disputes within the United States.

INTERNIC
Internic is the domain name licensing authority for the United States.

InterNIC
The organization that administers the big six /b top-level domains /t.

Inter-Object Message (IOM)
A service providing a connection-oriented bidirectional link between methods of different objects that is independent of the object services layer and the operating system.

Interpress
A page description language page-description-language from Xerox.

interpreter
the browser component that interprets JavaScript statements and acts on them.

Inter-Process Communication (IPC)
A structured means of communication between multiple processes on a single machine. See also Remote Procedure Call (RPC) /r.

InterViews
An object-oriented object-oriented toolkit developed at Stanford University for building graphical user interfaces. It is implemented in C++ C++ and provides a library of objects and a set of protocols for composing them.

INTRANET
A private network inside a company or organization that uses the same kind of software and technologies that you would find on the public Internet, but that is only for internal use.As the Internet has become more popular, many of the tools used on the Internet are being used in private networks. For example, many companies have web servers that are available only to employees. Intranets are ideal places to host information only for a specific group of people or employees.Note: An Intranet may not actually be an internet -- it may simply be a network.

Intrinsics
A library package on top of Xlib Xlib, extending the basic functions of the X Window System X-Window-System. It provides mechanisms for building widget widget sets and application environments..

Inventor
See Open Inventor open-inventor.

Inverse engineering
The process of extracting high-level abstract specifications from source code using program transformations - . /Transformation

IOM
See Inter-Object Message (IOM) /.

ION
Implementation-Oriented Notation. A notation designed to graphically document object-oriented programs

IOP
Interoperability: The ability of equipment from different manufacturers (or different implementations) to operate together.

IP Address
A four-byte number that uniquely identifies a computers on an IP internetwork. InterNIC assigns the first bytes of Internet IP address and administers them in hierarchies. Huge organizations like the government to top-level internet service providers (ISP) have class A addresses, large organization and most ISPs have Class B address, and small companies have class C address. In a Class A address, InterNIC assigns the first byte, and the owning organization assigns the remaining three bytes. In a Class B address, InterNIC or the higher level ISP assigns the first two bytes, and the organization assigns the remaining two bytes. In a Class C address, InterNIC or the higher level ISP assigns the first three bytes, and the organization assigns the remaining byte. Organizations not attached to the Internet can assign IP addresses as they please. See Internet Protocol, Internet.

IP address
An Internet address Internet-address.

IP family
The Internet Protocol (IP) family consists of many different protocols, including:

· Address Resolution Protocol (ARP)--See Address Resolution Protocol (ARP) /a.

· Internet Control Message Protocol (ICMP)--See Internet Control Message Protocol (ICMP) /.

· Internet Protocol (IP)--See Internet Protocol (IP) /.

· Transmission Control Protocol (TCP)--See Transmission Control Protocol (TCP) /t.

· User Datagram Protocol (UDP)--See User Datagram Protocol (UDP) /u.

IP
Internet Protocol: Originally developed by the Department of Defense to support interworking of dissimilar computers across a network. This protocol works in conjunction with TCP and is usually identified as TCP/IP. A connectionless protocol that operates at the network layer (layer 3) of the OSI model.

IP
Internet Internet transport layer Protocol.

IP
See Internet Protocol (IP) /.

IP:
Internet Protocol, defined by the IETF for the transmission of information over the Internet. It works by dividing transmitted data into packets, and attaching to cach packet a header containing the addressing information.

IPC
Inter-Process Communication.

IPC
See Inter-Process Communication (IPC) /.

IPE
Integrated Programming Environment.

IPF
Information Presentation Facility. A document markup system for OS/2 OS/2 based on SGML SGML.

IPNG
See Internet Protocol Next Generation (IPNG) /.

IPSE
Integrated Project Support Environment: a term for a set of management and technical tools to support software development, usually integrated in a coherent framework: equivalent to an SEE.

IPTES
Incremental Prototyping Technology for Embedded Realtime Systems, an Esprit Esprit project.

IPTUNNEL
A software driver that permits the encapsulation of IPX packets insides of IP packets for transmission over an IP network. This allows NetWare servers to communicate through links that support only TCP/IP, such as UNIX machines.

IPv6
See Internet Protocol version 6 (IPv6) /.

IPVR Institute of Parallel and Distributed High-Performance Systems (Stuttgart).

IPX External Network Number
A number that is used to represent an entire network. All servers on the network must use the same external network number.

IPX Internal Network Number
A number that uniquely identifies a server to the network. Each server must have a different internal network number.

IPX
Novell Internetwork Packet Exchange: A built-in networking protocol for Novell Netware. It was derived from the Xerox Network System protocol and operates at the network layer of the OSI protocol model.

IPX
See Internetwork Packet Exchange (IPX) /.

IQA
Institute of Quality Assurance (UK).

IRC
Internet Relay Chat. Both a protocol and a program type. IRC allows someone on one to talk in real time to someone else, anywhere in the world.

IRC
Internet Relay Chat. A system whereby a number of people can participate in a discussion in real time on the Internet Internet.

IRC
IRC stands for Internet Relay Chat. IRC is a massive network of text based chat channels (rooms) and users all across the world.

IRD
Internet Internet Resource Discovery.

IrDA:
Infrared Data Association.

IRDS
Information Resource Dictionary System. A set of ISO ISO standards for CASE CASE repositories. It governs the definition of data dictionaries to be implemented on top of relational databases (see repository repository, data dictionary data-dictionary).

IRIDIUMÒ:
is a communication system that uses a 66 strong satellit network orbiting the earth. The system was first developed by Motorola and established itself as a separate company in 1991. It provides a mobile wireless communication network across the world and is connected to terrestrial telephone systems. It allows a mobile user to place and receive calls from anywhere in the world.

Iris
An object-oriented object-oriented DBMS DBMS.

IRIS Explorer
A visualisation system

IRIS
Institute for Research in Information and Scholarship of Brown University (Providence RI).

IRIS
See IRIS Explorer IRIS-Explorer

IrMC:
Infrared Mobile Communications.

IRTF (Internet Research Task Force)
One of the task forces of the IAB. The group responsible for research and development of the Internet protocol suite.

IS
Intermediate System: A system that provides forwarding functions or relaying functions or both for a specific ATM connection. OAM cells may be generated and received.

ISA
International Smalltalk Smalltalk Association (now disbanded).

ISA
n Esprit Esprit project continuing the ANSA ANSA project.

ISAM
Indexed Sequential Access Method: a file access method supporting both sequential and indexed access.

ISAP
MICROSOFT INTERNET INFORMATION SERVER

ISBN
International Standard Book Numbering.

ISCN
International Software Consulting Network. A network of process improvement experts.

ISDE
Integrated Software Development Environment: equivalent to an IPSE IPSE.

ISDN
INTEGERATED SERVICES DIGITAL NETWORK

ISDN
Integrated Services Digital Network: a set of CCITT CCITT standards to support many types of signal traffic (speech, data, video) via a digital transmission system, eventually intended to replace current telephone systems. The Basic rate is 64 kbits/sec - . /ISDN

ISDN
See Integrated Services Digital Network (ISDN) /.

ISDN Signalling Link (ISL)
A hybrid of CAS and CCS; basic signalling (such as "off-hook") is transmitted in-band (CAS style), and enhanced information (such as caller ID) is transmitted out-of-band (CCS style). See also Channel Associated Signalling (CAS) /c, Common Channel Signalling (CCS) /c.

ISE
Interactive Software Engineering: a software engineering company marketing Eiffel Eiffel among other products.

ISEE
Integrated Software Engineering Environment: equivalent to SEE SEE.

ISERN
International Software Engineering Research Network - .

ISF
Information Systems Factory: equivalent to an SEE.

ISIS
A toolkit for implementing fault-tolerant distributed systems, developed at Cornell and now available commercially

ISL
See ISDN Signalling Link (ISL) /.

ISO
International Organisation for Standardisation - . /ISO

ISO
International Organization for Standardization: An international organization for standardization, based in Geneva, Switzerland, that establishes voluntary standards and promotes global trade of 90 member countries.

ISO
See International Standards Organization (ISO) /.

ISOC
The Internet Society. A professional society concerned with the growth and evolution of the Internet Internet, with the way it is used, and with related social, political, and technical issues - . /Internet

ISODE
ISO ISO Development Environment: software that implements a set of OSI OSI upper-layer services. It supports OSI applications on top of OSI and TCP/IP TCP/IP networks

ISP
This is a company through which you can access the Internet.

ISP
ISP stands for "Internet Service Provider." These are private fee-based companies that provide dial-up access to the Internet via SLIP, PPP, or TCP/IP.
Examples: Earthlink, Netcom, MSN. Note: AOL is not a real ISP because they use proprietary software. Users do not have access to mail servers and various other Internet services when using AOL.

ISP
See Internet Service Provider (ISP) /.

ISPE
International Society for Productivity Enhancement.

ISTAR
An experimental IPSE IPSE. from Imperial Software Technology.

ISV
Independent Software Vendor (not a hardware manufacturer).

ISV
See Independent Software Vendor (ISV) /.

IT
Information Technology.

ITHACA
An Esprit Esprit project to put a "4th generation" object-oriented object-orientedsystem to practical use in an industrial environment. The ITHACA environment offers an application support system incorporating advanced technologies in the fields of object-oriented programming, programming languages, database technologies, user interface systems and software development tools

ITU H.222
An ITU-T Study Group 15 standard that addresses the multiplexing of multimedia data on an ATM network.

ITU
International Telecommunications Union - . /ITU

ITU Q.2100
B-ISDN Signaling ATM Adapation Layer Overview.

ITU Q.2110
B-ISDN Adapation Layer -- Service Specific Connection Oriented Protocol.

ITU Q.2130
B-ISDN Adapation Layer -- Service Specific Connection Oriented Function for Support of Signaling at the UNI.

ITU Q.2931
The signaling standard for ATM to support Switched Virtual Connections. This is based on the signaling standard for ISDN.

ITU Q.931
The signaling standard for ISDN to support SVCs. The basis for the signaling standard developed for Frame Relay and ATM.

ITU Q.933
The signaling standard for Frame Relay to support SVCs. This is based on the signaling standard for ISDN.

ITU
See International Telecommunications Union (ITU) /.

ITU:
International Telecommunications Union is an international organization for the development and specification of global telecom networks and services standards.

ITU-T
International Telecommunications Union Telecommunications: ITU-T is an international body of member countries whose task is to define recommendations and standards relating to the international telecommunications industry. The fundamental standards for ATM have been defined and published by the ITU-T (Previously CCITT).

IUT
Implementation Under Test: The particular portion of equipment which is to be studied for testing. The implementation may include one or more protocols.

IWF
Interworking Function

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