IDP - Internet Datagram Protocol

IDR - Investigate & Define Requirements

IDR - Intelligent Document Recognition

IDSL - Internet Digital Subscriber Line

IDT - Interrupt Descriptor Table

IDT - Interface Design Tool

IDU - Interface Data Unit

IDX - Index

IE - Internet Explorer

IEC - International Electrotechnical Commission

IEEE - Institute of Electrical and Electronic Engineers

IEF - Information Engineery Facility

IEMSI - Interactive Electronic Mail Standard Identification

IEN - Internet Experiment Notes

IEPG - Internet Engineering and Planing Group

IESG - Internet Engineering Steering Group

IET - Initial Element Type

IETF - Internet Engineering Task Force

IF - Interrupt Flag

IFC - Internet Foundation Classes

IFD - Image File Directories

IFF - Interchange File Format

IFG - Inter - Frame GAP

IFG - Incoming Fax Gateway

IFIP - International Federation Information Processing