Approved CCSDS Terms

Creation date: 2017-05-30 13:54:55 Update date: 2019-01-21 23:15:50

Policy: CCSDS Blue Book

Authority: CCSDS.SEA

OID: 1.3.112.4.30


Contents

1153 records in registry

Object Identifier

Label

1.3.112.4.30
CCSDS Terms

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Details Status Term Definition References OID

Details

Provisional

(N)-association

A cooperative relationship among (N)-entity-invocations.

[ccsds-910.2-G-1]

1.3.112.4.30.1

Details

Provisional

(N)-entity

An active element within an (N)-subsystem embodying a set of capabilities defined for the (N)-layer that corresponds to a specific (N)-entity-type (without any extra capabilities being used).

[ccsds-910.2-G-1]

1.3.112.4.30.2

Details

Provisional

(N)-entity-invocation

A specific utilization of part or all of the capabilities of a given (N)-entity (without any extra capabilities being used).

[ccsds-910.2-G-1]

1.3.112.4.30.3

Details

Provisional

(N)-entity-type

A description of a class of (N)-entities in terms of a set of capabilities defined for the (N)-layer.

[ccsds-910.2-G-1]

1.3.112.4.30.4

Details

Provisional

(N)-function

A part of the activity of (N)-entities.

[ccsds-910.2-G-1]

1.3.112.4.30.5

Details

Provisional

(N)-layer

A subdivision of the Open Systems Interconnection (OSI) architecture, constituted by subsystems of the same rank (N).

[ccsds-910.2-G-1] - [ccsds-A02.1-Y-3]

1.3.112.4.30.6

Details

Provisional

(N)-layer

Any specific layer in a multi-layer protocol stack. The layer above is called the (N+1)-layer, the layer below is called the (N-1)-layer. This notation is also used in the model for other concepts that are related to these layers, for example, (N)-protocol, (N+1)-service.

[ccsds-311.0-M-1]

1.3.112.4.30.7

Details

Provisional

(N)-layer management

Functions related to the management of the (N)-layer partly performed in the (N)-layer itself according to the (N)-protocol of the layer (activities such as activation and error control) and partly performed as a subset of systems management.

[ccsds-910.2-G-1]

1.3.112.4.30.8

Details

Provisional

(N)-layer operation

The monitoring and control of a single instance of communication.

[ccsds-910.2-G-1]

1.3.112.4.30.9

Details

Provisional

(N)-protocol

A set of rules and formats (semantic and syntactic) which determines the communication behavior of (N)-entities in the performance of (N)-functions.

[ccsds-910.2-G-1]

1.3.112.4.30.10

Details

Provisional

(N)-protocol-control-information

Information exchanged between (N)-entities, using an (N-1)-connection, to coordinate their joint operation.

[ccsds-910.2-G-1]

1.3.112.4.30.11

Details

Provisional

(N)-protocol-data-unit

A unit of data specified in an (N)-protocol and consisting of (N)-protocol-control-information and possibly (N)-user data.

[ccsds-910.2-G-1]

1.3.112.4.30.12

Details

Provisional

(N)-service

A capability of the (N)-layer and the layers beneath it, which is provided to (N+1)-entities at the boundary between the (N)-layer and the (N+1)-layer.

[ccsds-910.2-G-1]

1.3.112.4.30.13

Details

Provisional

(N)-service-access-point

the point at which (N)-services are provided by an (N)-entity to an (N+2)-entity.

[ccsds-910.2-G-1]

1.3.112.4.30.14

Details

Provisional

(N)-service-data-unit

an amount of information whose identity is preserved when transferred between peer-(N+1)-entities and which is not interpreted by the supporting (N)-entities.

[ccsds-910.2-G-1]

1.3.112.4.30.15

Details

Provisional

(N)-service-user

The user of the service provided by the (N)-service-provider.

[ccsds-910.2-G-1]

1.3.112.4.30.16

Details

Provisional

(N)-subsystem

An element in hierarchical division of an open system which interacts directly only with elements in the next higher division or the next lower division of that open system.

[ccsds-910.2-G-1]

1.3.112.4.30.17

Details

Provisional

(N)-user-data

The data transferred between (N)-entities on behalf on the (N+1) entities for whom the (N)-entities are providing services.

[ccsds-910.2-G-1]

1.3.112.4.30.18

Details

Provisional

9/7 DWT

A DWT using a nine-tap filter to obtain low-pass wavelet coefficients and a seven-tap filter to obtain high-pass wavelet coefficients. Two different specific 9/7 Discrete Wavelet Transforms are recommended: 9/7 Float DWT for lossy compression and 9/7 Integer DWT for lossless compression.

[ccsds-120.1-G-1] - [ccsds-122.0-B-1]

1.3.112.4.30.19

Details

Provisional

9/7 Float DWT

Three-level 9/7 DWT whose filter coefficients are specified real numbers. Implemented using float arithmetic.

[ccsds-120.1-G-1] - [ccsds-122.0-B-1]

1.3.112.4.30.20

Details

Provisional

9/7 Integer DWT

Three-level 9/7 DWT whose filter coefficients are specified rational numbers. Implemented using integer arithmetic.

[ccsds-120.1-G-1] - [ccsds-122.0-B-1]

1.3.112.4.30.21

Details

Provisional

(TM) Transfer Frame

Protocol data unit of the TM Space Data Link Protocol.

1.3.112.4.30.22

Details

Provisional

(TC) Transfer Frame

Protocol data unit of the TC Space Data Link Protocol.

[ccsds-230.0-G-1]

1.3.112.4.30.23

Details

Provisional

(AOS) Transfer Frame

Protocol data unit of the AOS Space Data Link Protocol.

1.3.112.4.30.24

Details

Provisional

(Proximity-1) Transfer Frame

Protocol data unit of the Proximity-1 Space Data Link Protocol.

1.3.112.4.30.25

Details

Provisional

abstract syntax

Representation that identifies all the components of a data unit and describes their conceptual structure.

[ccsds-610.0-G-5]

1.3.112.4.30.26

Details

Provisional

abstract syntax

The specification of Application Layer data or application-protocol-control-information by using notation rules which are independent of the encoding techniques used to represent them.

[ccsds-910.2-G-1]

1.3.112.4.30.27

Details

Provisional

abstract-association

The relationship that exists between two abstract-ports that are bound to each other.

[ccsds-910.2-G-1]

1.3.112.4.30.28

Details

Provisional

abstract-bind-operation

A task whose successful performance binds one or more pairs of abstract-ports.

[ccsds-910.2-G-1]

1.3.112.4.30.29

Details

Provisional

abstract-error

A predefined condition that, upon occurrence during an attempted invocation of an abstract-operation, causes that abstract-operation to fail.

[ccsds-910.2-G-1]

1.3.112.4.30.30

Details

Provisional

abstract-model

The macroscopic level of ASDC, composed of abstract-objects, abstract-ports, and abstract-services.

[ccsds-910.2-G-1]

1.3.112.4.30.31

Details

Provisional

abstract-object

A functional entity (e.g., a system) that interacts with one or more other abstract-objects to provide abstract-services to, and/or use the abstract-services of, those abstract-objects.

[ccsds-910.2-G-1]

1.3.112.4.30.32

Details

Provisional

abstract-operation

A task whose performance provides all or part of an abstract-service. An abstract-operation is invoked by an abstract-object and performed by another abstract-object via the abstract-association that exists between them.

[ccsds-910.2-G-1]

1.3.112.4.30.33

Details

Provisional

abstract-port

A point at which an abstract-object interacts with another abstract-object, via an abstract-port of the same type on the other abstract-object.

[ccsds-910.2-G-1]

1.3.112.4.30.34

Details

Provisional

abstract-port-type

The common identifier for a collection of abstract-ports that perform the same set of abstract-operations. There are two varieties of abstract-port-types, symmetric and asymmetric.

[ccsds-910.2-G-1]

1.3.112.4.30.35

Details

Provisional

abstract-refinement

The process of modeling a system as one or a few high-level abstract-objects and successively decomposing each of those abstract-objects into lower-level component-abstract-objects.

[ccsds-910.2-G-1]

1.3.112.4.30.36

Details

Provisional

abstract-service

A set of capabilities that one abstract-object offers to another by means of one or more of its abstract-ports.

[ccsds-910.2-G-1]

1.3.112.4.30.37

Details

Provisional

abstract-service-provider

An abstract-object that offers an abstract-service to another abstract-object.

[ccsds-910.2-G-1]

1.3.112.4.30.38

Details

Provisional

abstract-service-user

An abstract-object that uses an abstract-service of another abstract-object.

[ccsds-910.2-G-1]

1.3.112.4.30.39

Details

Provisional

abstract-unbind-operation

A task whose performance unbinds two abstract-objects.

[ccsds-910.2-G-1]

1.3.112.4.30.40

Details

Provisional

AC coefficient

Any wavelet coefficient from any subband except LL3<sub xmlns="http://sanaregistry.org/r">3</sub>..

[ccsds-122.0-B-1]

1.3.112.4.30.41

Details

Provisional

accept

Within the Transfer layer, recognition by the receiving end that a TC Frame has passed the validation and acceptance test criteria as programmed into the Frame Acceptance and Reporting Mechanism.

[ccsds-200.0-G-6]

1.3.112.4.30.42

Details

Provisional

acceptor

In a particular instance of OSI-service-procedure, an OSI-service-user that receives a deliver primitive and as a result may issue one or more submit primitives.

[ccsds-910.2-G-1]

1.3.112.4.30.43

Details

Provisional

access

The OAIS entity that contains the services and functions which make the archival information holdings and related services visible to Consumers.

[ccsds-651.0-M-1]

1.3.112.4.30.44

Details

Provisional

access aid

A software program or document that allows Consumers to locate, analyze, order or retrieve Archival Information Packages of interest.

[ccsds-650.0-M-2]

1.3.112.4.30.45

Details

Provisional

access collection

A collection of AIPs that is defined by a Collection Description but for which there is no Packaging Information for the collection in Archival Storage.

[ccsds-650.0-M-2]

1.3.112.4.30.46

Details

Provisional

access control

The process of granting access to information technology (IT) system resources only to authorized users, programs, processes, or other systems.

[ccsds-350.4-G-1]

1.3.112.4.30.47

Details

Provisional

access control

The process of granting access to the resources of a system only to authorized users, programs, processes, or other systems.

[ccsds-350.1-G-1] - [ccsds-350.7-G-1]

1.3.112.4.30.48

Details

Provisional

access control mechanism

Hardware or software features, operating procedures, management procedures, and various combinations of these designed to detect and prevent unauthorized access and to permit authorized access in an automated system.

[ccsds-350.1-G-1]

1.3.112.4.30.49

Details

Provisional

access functional entity

The OAIS functional entity that contains the services and functions which make the archival information holdings and related services visible to Consumers.

[ccsds-650.0-M-2]

1.3.112.4.30.50