Glossary 132IP addressAn Internet Protocol (IP) address is a unique number that devices usein order to identify and communicate with each other on a networkutilizing the Internet Protocol standard.IPMThe Images Per Minute (IPM) is a way of measuring the speed of aprinter. An IPM rate indicates the number of single-sided sheets aprinter can complete within one minute.IPPThe Internet Printing Protocol (IPP) defines a standard protocol forprinting as well as managing print jobs, media size, resolution, andso forth. IPP can be used locally or over the Internet to hundreds ofprinters, and also supports access control, authentication, andencryption, making it a much more capable and secure printingsolution than older ones.IPX/SPXIPX/SPX stands for Internet Packet Exchange/Sequenced PacketExchange. It is a networking protocol used by the Novell NetWareoperating systems. IPX and SPX both provide connection servicessimilar to TCP/IP, with the IPX protocol having similarities to IP, andSPX having similarities to TCP. IPX/SPX was primarily designed forlocal area networks (LANs), and is a very efficient protocol for thispurpose (typically its performance exceeds that of TCP/IP on a LAN).ISOThe International Organization for Standardization (ISO) is aninternational standard-setting body composed of representativesfrom national standards bodies. It produces world-wide industrialand commercial standards.ITU-TThe International Telecommunication Union is an internationalorganization established to standardize and regulate internationalradio and telecommunications. Its main tasks includestandardization, allocation of the radio spectrum, and organizinginterconnection arrangements between different countries to allowinternational phone calls. A -T out of ITU-T indicatestelecommunication.