The graceful release of an association between two AEs shall be performed through ACSE A-RELEASE request, indication, response, and confirmation primitives. The initiator of the service is hereafter called a requestor and the service-user that receives the A-RELEASE indication is hereafter called the acceptor. It shall be a confirmed service.
Figure 7-2 illustrates the graceful release of an association between two AEs.
Table 7-4 lists the parameters for the A-RELEASE service that shall contain fixed values or shall not be used by DICOM Application Entities in this standard.
Table 7-4. A-RELEASE Service Parameters
|
A-RELEASE parameter name |
Request |
Indication |
Response |
Confirmation |
|---|---|---|---|---|
|
reason |
UF |
UF(=) |
UF |
UF(=) |
|
user information |
NU |
NU(=) |
NU |
NU(=) |
|
result |
MF |
MF(=) |
When used on the request primitive, this parameter identifies the general level of urgency of the request. This parameter shall always use the value "normal" in this standard.