`
`
`IBM DICTIONARY ‘
`
`OF COMPUTING
`
`Compiled and edited by
`
`GEORGE MCDANIEL
`
`McGRAW-HILL, lNC.
`New York San Francisco Washington, D.C. Auckland Bogota
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`damage caused or alleged to be caused by reliance on any information con-
`tained herein.
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`Copyright © 1994 by International Business Machines Corporation. All rights
`reserved. Printed in the United States of America. Except as permitted under
`the United States Copyright Act of 1976, no part of this publication may be
`reproduced or distributed in any form or by any means, or stored in a data
`base or retrieval system, Without the prior written permisssion of the pub—
`lisher.
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`1234567890 DOC/DOC 99876543
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`ISBN 0-07-031488-8 (HC)
`ISBN 0-07-031489-6 (PBK)
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`This book is printed on acid-free paper.
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`The sponsoring editor for this book was Daniel A. Gonneau and the
`production supervisor was Thomas G. Kowalczyk.
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`Printed and bound by R. R. Donnelley & Sons Company.
`
`Tenth Edition (August 1993)
`This is a major revision of the IBM Dictionary of Computing, SC20~1699—8,
`which is made obsolete by this edition. Changes are made periodically to the
`information provided herein.
`It is possible that this material may contain reference to, or information about,
`IBM products (machines and programs), programming, or services that are
`not announced in your country. Such references or information must not be
`construed to mean that IBM intends to announce such IBM products, pro-
`gramming, or servrces in your country. Comments may be addressed to IBM
`Corporation, Department E37/656, P. O. Box 12195, Research Triangle Park
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`International Edition
`Copyright © 1994 by International Business Machines Corporation. Exclusive
`rights by McGraW-Hill, Inc. for manufacture and export. This book cannot be
`re—exported from the country to which it is consigned by McGraw-Hill. The
`International Edition is not available in North America.
`When ordering this title, use ISBN 0-07-113383—6.
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`

`

`network
`
`[454]
`
`Network Configuration Application/MVS
`
`network (1) An arrangement of nodes and connecting
`branches.
`(T)
`(2) A configuration of data proc-
`essing devices and software connected for information
`interchange.
`(3) A group of nodes and the links
`interconnecting them.
`
`systems network architecture. See also open systems
`architecture.
`‘
`'-
`
`Note: The operating principles of a network include
`those of services, functions, and protocols.
`
`network accessible unit (NAU) A logical unit (LU),
`physical unit (PU), control point (CP), or system ser—
`vices control point (SSCP).
`It is the origin or the des-
`tination of information transmitted by the path control
`network. Synonymous with network addressable unit.
`
`Interconnect Agent An IBM
`Network Carrier
`licensed program that
`enables
`the NetView and
`NETCENTER programs to receive and process config-
`uration and status data from one or more carrierman-
`agement systems.
`
`allows
`that
`unit
`network adapter A functional
`devices to communicate with other devices on the
`network.
`
`network addressable unit
`network accessible unit.
`
`(NAU)
`
`Synonym for
`
`network address translation In SNA network inter-
`connection,
`conversion
`of
`the
`network
`address
`assigned to a logical unit
`in one network into an
`address in an adjacent network. This function is pro-
`vided by the gateway NCP that joins the two net-
`works. See also alias network address, real network
`address.
`
`network administrator A person who manages the
`use and maintenance of a network.
`
`network analog The expression and solution of math—
`ematical relationships between variables using a circuit
`or circuits to represent these variables.
`(A)
`
`network analyzer A device that simulates a network,
`such as an electrical supply network. (A)
`
`network application The use to which a network is
`put, such as data collection or inquiry/update.
`
`network application program In the IBM Token—
`Ring Network, a program used to connect and com—
`municatewith adapters on a network, enabling users
`to perform application—oriented activities and to run
`other application programs.
`
`network architecture The logical structure and oper-
`ating principles of a computer network. (T)
`See
`
`network address (1) An identifier for a node, station,
`or unit of equipment in a network.
`(2)
`In a subarea
`network, an address, consisting of subarea and element
`fields, that identifies a link, link station, physical unit,
`logical unit, or system services control point. Subarea
`nodes use network addresses; peripheral nodes use
`local
`addresses
`or
`local—form session
`identifiers
`(LFSIDs). The boundary function in the subarea node
`to which a peripheral node is attached transforms local
`addresses or LFSIDS to network addresses and vice
`versa. Contrast with network name.
`
`erator.
`
`Network Carrier Interconnect Manager An IBM
`licensed program that
`enables
`the NETCENTER
`program to send configuration and status data to one
`or more carrier management systems.
`
`for
`used
`graph
`chart (1) A directed
`network
`describing and scheduling events, activities, and their
`relationships in project control.
`(T)
`(2) In data
`communications,
`a
`diagram
`describing
`the
`topographical
`layout of a network.
`(3) See also
`network planning.
`
`network class The type of TCP/IP network, such as
`Class A, Class B, or Class C.
`
`network common carrier Any organization that
`offers packet-switched data networks to the general
`public. See also communication common carrier.
`
`Facility
`Control
`Communications
`Network
`(NCCF) An IBM licensed program consisting of a
`base
`for
`command processors
`that
`can monitor,
`control, and improve the operation of a network.
`
`Network Computing Architecture A set of protocols
`and architectures that support distributed computing.
`
`(NCK) In the AIX
`Network Computing Kernel
`Network Computing System (NCS),
`the combination
`of the remote procedure call (RPC) runtime library
`and the Location Broker, which provide the function
`necessary required to run distributed applications.
`
`Network Computing System (NCS) In the AIX
`operating system, a set of software tools-developed by
`Apollo Computer Inc,
`that conform to the Network
`Computing Architectur.
`These tools
`include the
`remote procedure call runtime library,
`the Location
`Broker, and the NIDL compiler.
`
`Network Configuration Application/MVS An IBM
`program offering that allows users to define and store
`information about network and system resources. This
`information is then converted to Resource Object Data
`Manager (RODM) load utility statements. Network
`Configuration Application/MVS runs
`in conjunction
`with Information/Management. See also load file gen—
`
`