Glossary 101
Glossary
Application Layer Layer 7 of
the OSI model; the user interface
to network services and
applications that provides services
to directly support users.
ACSE Association Control Service
Element. The service element in
the OSI Application layer
responsible for association
establishment and release.
AE Title Application entity title.
A unique name identifying an OSI
service such as FTAM. The AE
title consists of two parts, the AP-
title and the AE- qualifier.
AFI Authority format identifier.
The first part of the IDP definition
of an NSAP. See IDP.
A/P ACSE/Presentation. Used to
describe the ACSE/Presentation
part of Hewlett-Packard's APRI
implementation.
APLI ACSE/Presentation library
interface (see APRI). Another term
used to describe the ACSE/
Presentation part of Hewlett-
Packard's APRI implementation.
APRI Abbreviation for ACSE/
Presentation and ROSE Interface.
Hewlett-Packard's programmatic
interface to the OSI services
provided by ACSE, Presentation
and remote operation service
element (ROSE).
ARPA See DARPA.
ASN.1 Abstract Syntax Notation
One. The OSI description language
used to define data types. Abstract
syntax describes data types
independent of the underlying
system used.
BCD binary coded decimal.
BSD Berkeley Software
Distribution; a set of networking
protocols developed primarily for
user with the UNIX operating
system. The Berkeley protocols are
often used on the same network
with ARPA.
CCITT See International
Consultative Committee on
Telephone and Telegraph
CLNS See Connectionless network
service.
CMIP Common Management
Information Protocol.
CMISE See Management
Information Service Element.
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