10.3.3 N-SET Protocol

10.3.3 N-SET Protocol (Current)
Prev	10.3 Protocol	Next

The information necessary for the N-SET request and indication DIMSE-N primitives are conveyed in the N-SET-RQ Message. The information necessary for the N-SET response and confirmation DIMSE-N primitives are conveyed in the N-SET-RSP Message. Fields not specified in the N-SET service definition but present in Table 10.3-3 are required by the DIMSE-N protocol.

10.3.3.1 N-SET-RQ

The N-SET-RQ Message contains fields as defined in Table 10.3-5. Each field shall conform to DICOM encoding and Value Representation as defined in PS3.5. Fields are required as specified in the N-SET service definition unless otherwise noted in Table 10.3-5. Fields not specified in the N-SET service definition but present in Table 10.3-5 are required by the DIMSE-N protocol.

Table 10.3-5. N-SET-RQ Message Fields

Message Field	Tag	VR	VM	Description of Field
Command Group Length	(0000,0000)	UL	1	The even number of bytes from the end of the value field to the beginning of the next group.
Requested SOP Class UID	(0000,0003)	UI	1	SOP Class UID of the SOP Instance for which Attribute Values are to be modified.
Command Field	(0000,0100)	US	1	This field distinguishes the DIMSE-N operation conveyed by this Message. The value of this field shall be set to 0120H for the N-SET-RQ Message.
Message ID	(0000,0110)	US	1	Implementation-specific value that distinguishes this Message from other Messages.
Command Data Set Type	(0000,0800)	US	1	This field indicates that a Data Set is present in the Message. It shall be set to any value other than 0101H (Null).
Requested SOP Instance UID	(0000,1001)	UI	1	Contains the UID of the SOP Instance for which Attribute Values are to be modified.
Modification List	(no tag)	-	-	This field is encoded as a Data Set. One Data Element is encoded for each Attribute and Attribute Value applicable to the operation.

Note

The permitted contents of Modification List, encoded as a series of Data Elements, are defined in the Information Object Definition (PS3.3) and Service Class Specifications (PS3.4).

Prev	Up	Next
10.3.2.3 N-GET Protocol Procedures	Home	10.3.3.2 N-SET-RSP