DICOM PS3.8 2019b - Network Communication Support for Message Exchange

9.2 DICOM Upper Layer Protocol for TCP/IP State Machine

9.2.1 Machine States Definition

Table 9-1. No Association

State

Definition

Sta 1

Idle


Table 9-2. Association Establishment

State

Definition

Sta 2

Transport connection open (Awaiting A-ASSOCIATE-RQ PDU)

Sta 3

Awaiting local A-ASSOCIATE response primitive (from local user)

Sta 4

Awaiting transport connection opening to complete (from local transport service)

Sta 5

Awaiting A-ASSOCIATE-AC or A-ASSOCIATE-RJ PDU


Table 9-3. Data Transfer

State

Definition

Sta 6

Association established and ready for data transfer


Table 9-4. Association Release

State

Definition

Sta 7

Awaiting A-RELEASE-RP PDU

Sta 8

Awaiting local A-RELEASE response primitive (from local user)

Sta 9

Release collision requestor side; awaiting A-RELEASE response (from local user)

Sta 10

Release collision acceptor side; awaiting A-RELEASE-RP PDU

Sta 11

Release collision requestor side; awaiting A-RELEASE-RP PDU

Sta 12

Release collision acceptor side; awaiting A-RELEASE response primitive (from local user)


Table 9-5. Waiting for Transport Connection Close

State

Definition

Sta 13

Awaiting Transport Connection Close Indication (Association no longer exists)


DICOM PS3.8 2019b - Network Communication Support for Message Exchange