9.2.2 State Machine Actions Definition

9.2.2 State Machine Actions Definition
Prev	9.2 DICOM Upper Layer Protocol for TCP/IP State Machine	Next

Table 9-6. Association Establishment Related Actions

Action	Definition
AE-1	Issue TRANSPORT CONNECT request primitive to local transport service Next state is Sta4
AE-2	Send A-ASSOCIATE-RQ-PDU Next state is Sta5
AE-3	Issue A-ASSOCIATE confirmation (accept) primitive Next state is Sta6
AE-4	Issue A-ASSOCIATE confirmation (reject) primitive and close transport connection Next state is Sta1
AE-5	Issue Transport connection response primitive; start ARTIM timer Next state is Sta2
AE-6	Stop ARTIM timer and if A-ASSOCIATE-RQ acceptable by service-provider: issue A-ASSOCIATE indication primitive Next state is Sta3 otherwise: issue A-ASSOCIATE-RJ-PDU and start ARTIM timer Next state is Sta13
AE-7	Send A-ASSOCIATE-AC PDU Next state is Sta6
AE-8	Send A-ASSOCIATE-RJ PDU and start ARTIM timer Next state is STA13

Table 9-7. Data Transfer Related Actions

State	Definition
DT-1	Send P-DATA-TF PDU Next state is Sta6
DT-2	Send P-DATA indication primitive Next state is Sta6

State

Definition

DT-1

Send P-DATA-TF PDU

Next state is Sta6

DT-2

Send P-DATA indication primitive

Next state is Sta6

Table 9-8. Association Release Related Actions

Action	Definition
AR-1	Send A-RELEASE-RQ PDU Next state is Sta7
AR-2	Issue A-RELEASE indication primitive Next state is Sta8
AR-3	Issue A-RELEASE confirmation primitive, and close transport connection Next state is Sta1
AR-4	Issue A-RELEASE-RP PDU and start ARTIM timer Next state is Sta13
AR-5	Stop ARTIM timer Next state is Sta1
AR-6	Issue P-DATA indication Next state is Sta7
AR-7	Issue P-DATA-TF PDU Next state is Sta8
AR-8	Issue A-RELEASE indication (release collision): if association-requestor, next state is Sta9 if not, next state is Sta10
AR-9	Send A-RELEASE-RP PDU Next state is Sta11
AR-10	Issue A-RELEASE confirmation primitive Next state is Sta12

Table 9-9. Association Abort Related Actions

Action	Definition
AA-1	Send A-ABORT PDU (service-user source) and start (or restart if already started) ARTIM timer Next state is Sta13
AA-2	Stop ARTIM timer if running. Close transport connection Next state is Sta1
AA-3	If (service-user inititated abort): issue A-ABORT indication and close transport connection otherwise (service-provider inititated abort): issue A-P-ABORT indication and close transport connection Next state is Sta1
AA-4	Issue A-P-ABORT indication primitive Next state is Sta1
AA-5	Stop ARTIM timer Next state is Sta1
AA-6	Ignore PDU Next state is Sta13
AA-7	Send A-ABORT PDU Next state is Sta13
AA-8	Send A-ABORT PDU (service-provider source-), issue an A-P-ABORT indication, and start ARTIM timer Next state is Sta13