DICOM PS3.2 2016c - Conformance

A.5 Media Interchange
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## A.5 Media Interchange

### A.5.1 Implementation Model

The Implementation Model shall identify the DICOM Application Entities in a specific implementation and relate the Application Entities to Real-World Activities.

#### A.5.1.1 Application Data Flow Diagram

As part of the Implementation Model, an Application Data Flow Diagram shall be included. This diagram represents all of the Application Entities present in an implementation and graphically depicts the relationship of the AEs use of DICOM to real world activities. Figure A.5.1-1 is a template for such a Data Flow Diagram. Accompanying the Application Data Flow Diagram shall be a discussion of the Application Data Flow represented.

In this illustration, according to Figure A.5.1-1, an occurrence of local Real-World Activity A or B will cause the local Application Entity 1 to initiate either creation of a File-set on a medium (FSC) for the purpose of interchange with a remote Real-World Activity X or to access a File-set on a medium for reading (FSR). The remote Real-World Activity X accesses the medium physically transferred from Real-World Activity A or B.

An occurrence of Real-World Activity C will cause the local Application Entity 2 to update a File-set (FSU) on a mounted medium.

Figure A.5.1-1. Application Data Flow Diagram

### Note

If the AE expects a remote Real-World Activity to access the media for a specific purpose, this should be shown in the Application Data Flow Diagram as well as described in Section Section A.5.1.1.

#### A.5.1.2 Functional Definitions of AEs

The next part of the Conformance Statement shall contain a functional definition for each local Application Entity. This shall describe in general terms the functions to be performed by the AE, and the DICOM services used to accomplish these functions. In this sense "DICOM services" refers not only to DICOM Service Classes, but also to lower level DICOM services, such as the Media File System and mapping to particular Media Formats.

#### A.5.1.3 Sequencing of Real World Activities

If applicable, this section shall contain a description of sequencing of Real World Activities that the AEs require.

### Note

An example of a situation in which a such a description is required is an AE that supports roles as a File-set Updater and File-set Reader. In some instances, the File-set will be updated then read (e.g., for verification); and in other instances, may be read first to determine if the File-set needs to be updated.

#### A.5.1.4 File Meta Information for Implementation Class and Version

This section shall be used to list the values assigned to the File Meta Information attributes (see PS3.10) that pertain to the Implementation Class and Version. These are:

- File Meta Information Version

- Implementation Class UID

- Implementation Version Name

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DICOM PS3.2 2016c - Conformance