DICOM PS3.7 2021c - Message Exchange

3 Definitions (Current)
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# 3 Definitions

For the purposes of this Standard the following definitions apply.

## 3.1 Reference Model Definitions

This Part of the Standard is based on the concepts developed in [ISO 7498-1] and makes use of the following terms defined in it:

ApplicationEntity

  See [ISO 7498-1].

Application Process

  See [ISO 7498-1].

Protocol

  See [ISO 7498-1].

Protocol Data Unit

  See [ISO 7498-1].

Service

  See [ISO 7498-1].

Transfer Syntax

  See [ISO 7498-1].

## 3.2 Service Conventions Definitions

This Part of the Standard makes use of the following terms defined in [ISO/TR 8509]:

Service Provider

  See [ISO/TR 8509].

Service User

  See [ISO/TR 8509].

Confirmed Service

  See [ISO/TR 8509].

Non-confirmed Service

  See [ISO/TR 8509].

Primitive

  See [ISO/TR 8509].

Request (Primitive)

  See [ISO/TR 8509].

Indication (Primitive)

  See [ISO/TR 8509].

Response (Primitive)

  See [ISO/TR 8509].

Confirm (Primitive)

  See [ISO/TR 8509].

## 3.3 Presentation Service Definitions

This Part of the Standard makes use of the following terms defined in [ISO 8822]:

Abstract Syntax

  See [ISO 8822].

Abstract Syntax Name

  See [ISO 8822].

Presentation Context

  See [ISO 8822].

Presentation Data Value

  See [ISO 8822].

## 3.4 ACSE Service Definitions

This Part of the Standard makes use of the following terms defined in [ISO 8649]:

Association

  See [ISO 8649].

Application Context

  See [ISO 8649].

Association Control Service Element (ACSE)

  See [ISO 8649].

Association Initiator

  See [ISO 8649].

## 3.5 CMIS Service Definitions

This Part of the Standard makes use of the following terms defined in [ISO/IEC 9595]:

Functional Unit

  See [ISO/IEC 9595].

Kernel Functional Unit

  See [ISO/IEC 9595].

## 3.6 DICOM Introduction and Overview Definitions

This Part of the Standard makes use of the following terms defined in PS3.1:

Attribute

  Attribute.

Command

  Command.

Command Stream

  Command Stream.

Data Stream

  Data Stream.

Message

  Message.

Service-Object Pair Class (SOP Class)

  Service-Object Pair Class (SOP Class).

## 3.7 DICOM Upper Layer Service Definitions

This Part of the Standard makes use of the following terms defined in PS3.8:

DICOM Upper Layer Service

  DICOM Upper Layer Service.

## 3.8 DICOM Service Class Definitions

This Part of the Standard makes use of the following terms defined in PS3.4:

Service Class

  Service Class.

Service Class User (SCU)

  Service Class User (SCU).

Service Class Provider (SCP)

  Service Class Provider (SCP).

Service-Object Pair Instance (SOP Instance)

  Service-Object Pair Instance (SOP Instance).

Related General SOP Class

  Related General SOP Class.

## 3.9 DICOM Data Structures and Encoding Definitions

This Part of the Standard makes use of the following terms defined in PS3.5:

Data Element

  Data Element.

Data Set

  Data Set.

Unique Identifier (UID)

  Unique Identifier (UID).

## 3.10 DICOM Message Exchange Definitions

The following definitions are commonly used in this Part of the Standard:

DICOM Message Service Element (DIMSE)

  The particular Application Service Element defined in this Part of the DICOM Standard.

DIMSE-C Services

  A subset of the DIMSE services that supports operations on Composite SOP Instances related to composite Information Object Definitions with peer DIMSE Service Users.

DIMSE-N Services

  A subset of the DIMSE services that supports operations and notifications on Normalized SOP Instances related to Normalized Information Object Definitions with peer DIMSE Service Users.

DIMSE Service Group (DSG)

  A specific set of one or more DIMSE Services that define the operations and/or notifications that can be performed on a data structure.

DIMSE Service Provider

  An abstraction of the totality of those entities that provide DIMSE services to peer DIMSE Service Users.

DIMSE Service User

  That part of an Application Entity that makes use of the DICOM Message Service Element.

Extended Negotiation

  Exchange of application information by peer DICOM AEs at Association establishment, defined by specific Service Class specifications.

Implementation Class UID

  The unique identifier of a specific class of implementation.

Invoking DIMSE Service User

  The DIMSE Service User that invokes a DIMSE operation or notification.

Performing DIMSE Service User

  The DIMSE Service User that performs a DIMSE operation or notification invoked by a peer DIMSE Service User.

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DICOM PS3.7 2021c - Message Exchange