Материал: part08

DICOM PS3.8 2020a - Network Communication Support for Message Exchange​

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Table of Contents​

Notice and Disclaimer .............................................................................................................................................

9​

Foreword ............................................................................................................................................................

11​

1. Scope and Field of Application .............................................................................................................................

13​

2. Normative References .......................................................................................................................................

15​

3. Definitions .......................................................................................................................................................

17​

4. Symbols and Abbreviations .................................................................................................................................

21​

5. Conventions .....................................................................................................................................................

23​

6. Network Communication Support Environment ........................................................................................................

25​

7. OSI Upper Layer Service for DICOM Application Entities ...........................................................................................

27​

7.1. A-ASSOCIATE Service ................................................................................................................................

27​

7.1.1. A-ASSOCIATE Parameters ....................................................................................................................

28​

7.1.1.1. Mode (Fixed) ................................................................................................................................

28​

7.1.1.2. Application Context Name ...............................................................................................................

28​

7.1.1.3. Calling AE Title .............................................................................................................................

29​

7.1.1.4. Called AE Title ..............................................................................................................................

29​

7.1.1.5. Responding AE Title (Fixed) ............................................................................................................

29​

7.1.1.6. User Information ............................................................................................................................

29​

7.1.1.7. Result .........................................................................................................................................

29​

7.1.1.8. Result Source ...............................................................................................................................

30​

7.1.1.9. Diagnostic ....................................................................................................................................

30​

7.1.1.10. Calling Presentation Address .........................................................................................................

31​

7.1.1.11. Called Presentation Address ..........................................................................................................

31​

7.1.1.12. Responding Presentation Address ...................................................................................................

31​

7.1.1.13. Presentation Context Definition List .................................................................................................

31​

7.1.1.14. Presentation Context Definition Result List ........................................................................................

31​

7.1.1.15. Presentation Requirements (Fixed Value) .........................................................................................

32​

7.1.1.16. Session Requirements (Fixed Value) ...............................................................................................

32​

7.1.1.17. Other Parameters ........................................................................................................................

32​

7.1.2. A-ASSOCIATE Service Procedure ...........................................................................................................

32​

7.2. A-RELEASE Service ...................................................................................................................................

32​

7.2.1. A-RELEASE Parameters .......................................................................................................................

33​

7.2.1.1. Reason (Fixed) .............................................................................................................................

33​

7.2.1.2. Result (Fixed) ...............................................................................................................................

33​

7.2.2. A-RELEASE Service Procedure ..............................................................................................................

33​

7.3. A-ABORT Service .......................................................................................................................................

34​

7.3.1. A-ABORT Parameters ...........................................................................................................................

34​

7.3.1.1. Abort Source ................................................................................................................................

34​

7.3.2. A-ABORT Service Procedure .................................................................................................................

35​

7.4. A-P-ABORT Service ....................................................................................................................................

35​

7.4.1. A-P-ABORT Parameter .........................................................................................................................

35​

7.4.2. A-P-ABORT Service Procedure ..............................................................................................................

36​

7.5. Sequencing Information ...............................................................................................................................

36​

7.6. P-DATA Service .........................................................................................................................................

36​

7.6.1. P-DATA Parameters .............................................................................................................................

36​

8. DICOM OSI Upper Layer Profile ...........................................................................................................................

37​

9. DICOM Upper Layer Protocol for TCP/IP ...............................................................................................................

39​

9.1. Use of the Transport Service Provided By TCP .................................................................................................

39​

9.1.1. General ..............................................................................................................................................

39​

9.1.2. Opening a TCP Transport Connection ......................................................................................................

40​

9.1.3. Transferring Data On a TCP Connection ...................................................................................................

40​

9.1.4. Closing a TCP Transport Connection .......................................................................................................

40​

9.1.5. ARTIM Timer ......................................................................................................................................

40​

9.2. DICOM Upper Layer Protocol for TCP/IP State Machine .....................................................................................

41​

9.2.1. Machine States Definition ......................................................................................................................

41​

9.2.2. State Machine Actions Definition .............................................................................................................

41​

9.2.3. DICOM Upper Layer Protocol for TCP/IP State Transition Table ....................................................................

43​

9.3. DICOM Upper Layer Protocol for TCP/IP Data Units Structure .............................................................................

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DICOM PS3.8 2020a - Network Communication Support for Message Exchange​

9.3.1. General ..............................................................................................................................................

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9.3.2. A-ASSOCIATE-RQ PDU Structure ..........................................................................................................

47​

9.3.2.1. Application Context Item Structure ....................................................................................................

48​

9.3.2.2. Presentation Context Item Structure ..................................................................................................

48​

9.3.2.2.1. Abstract Syntax Sub-Item Structure ............................................................................................

48​

9.3.2.2.2. Transfer Syntax Sub-Item Structure ............................................................................................

49​

9.3.2.3. User Information Item Structure ........................................................................................................

49​

9.3.3. A-ASSOCIATE-AC PDU Structure ...........................................................................................................

50​

9.3.3.1. Application Context Item Structure ....................................................................................................

50​

9.3.3.2. Presentation Context Item Structure ..................................................................................................

50​

9.3.3.2.1. Transfer Syntax Sub-Item Structure ............................................................................................

51​

9.3.3.3. User Information Item Structure ........................................................................................................

52​

9.3.4. A-ASSOCIATE-RJ PDU Structure ...........................................................................................................

52​

9.3.5. P-DATA-TF PDU Structure ....................................................................................................................

53​

9.3.5.1. Presentation Data Value Item Structure ..............................................................................................

54​

9.3.6. A-RELEASE-RQ PDU Structure ..............................................................................................................

54​

9.3.7. A-RELEASE-RP PDU Structure ..............................................................................................................

54​

9.3.8. A-ABORT PDU Structure .......................................................................................................................

55​

10. Conformance ..................................................................................................................................................

57​

10.1. Conformance Requirements ........................................................................................................................

57​

10.1.1. Retired .............................................................................................................................................

57​

10.1.2. TCP/IP Network Communication Support ................................................................................................

57​

10.2. Conformance Statement .............................................................................................................................

57​

A. Application Context Names (Informative) ...............................................................................................................

59​

A.1. Application Context Definition .......................................................................................................................

59​

A.2. DICOM Application Context Name Encoding and Registration .............................................................................

59​

A.2.1. DICOM Registered Application Context Names ..........................................................................................

59​

B. Abstract and Transfer Syntaxes (Informative) .........................................................................................................

61​

B.1. Abstract Syntax Definition ............................................................................................................................

61​

B.2. Transfer Syntax Definition ............................................................................................................................

61​

B.3. DICOM Abstract and Transfer Syntax Names Encoding and Registration ..............................................................

61​

B.3.1. DICOM Registered Abstract and Transfer Syntax Names .............................................................................

61​

B.3.2. Privately Defined Abstract and Transfer Syntax Names ...............................................................................

61​

C. DICOM Addressing (Normative) ..........................................................................................................................

63​

C.1. DICOM Application Entity Titles ....................................................................................................................

63​

C.2. Naming and Addressing Usage Rules ............................................................................................................

63​

D. Use and Format of the A-ASSOCIATE User Information Parameter (Normative) ............................................................

65​

D.1. Maximum Length Negotiation .......................................................................................................................

65​

D.1.1. Maximum Length Sub-Item Structure (A-ASSOCIATE-RQ) ..........................................................................

65​

D.1.2. Maximum Length Sub-Item Structure (A-ASSOCIATE-AC) ...........................................................................

65​

D.2. Extended User Information Negotiation ...........................................................................................................

66​

E. Usage of the P-DATA Service By the DICOM Application Entity (Normative) .................................................................

67​

E.1. Encapsulation Rules ...................................................................................................................................

67​

E.2. Message Control Header Encoding ................................................................................................................

68​

F. DICOM UL Encoding Rules for Application Contexts, Abstract Syntaxes, Transfer Syntaxes (Normative) ............................

69​

F.1. Encoding Rules ..........................................................................................................................................

69​

G. Overview of the OSI Layer and Services Concepts (Informative) ................................................................................

71​

H. Index of Item and PDU Types (Informative) ............................................................................................................

73​

DICOM PS3.8 2020a - Network Communication Support for Message Exchange​

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List of Figures​

1-1. ISO OSI Basic Reference Model ........................................................................................................................

13​

6-1. DICOM Network Protocol Architecture ................................................................................................................

25​

7-1. Associate Request ..........................................................................................................................................

27​

7-2. Association Release .......................................................................................................................................

33​

7-3. Association User Initiated Abort .........................................................................................................................

34​

7-4. Provider Initiated Abort ....................................................................................................................................

35​

7-5. Data Transfer ................................................................................................................................................

36​

9-1. Protocol Data Units Structure and Encoding .........................................................................................................

46​

9-2. Protocol Data Units Structure and Encoding .........................................................................................................

47​

E.2-1. Presentation Data Value and the Message Control Header ..................................................................................

68​

G-1. Relationship of Services to Protocol ...................................................................................................................

71​

G-2. Service Description Conventions .......................................................................................................................

72​