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1. REGISTER for distribution – SO, DCAE, A&AI, SDN-C, APP-C, VF-C register for distribution of the SDC Artifact distribution via the registration service of the SDCE-6 interface. 
   Note: This is only done once, not once per distribution request.

2. CSAR Ready NOTIFICATION to Consumer– SDC informs the consumer that there is a new artifact to be distributed using the Distrbution notification interface of SDCE-6.

3. CSAR RETRIEVAL request: The cosumer requests to retrieves the artifact using the Artifact retrieval interface of SDCE-6, indicating the required Artifact Type.

4. CSAR DELIVERY: As a response to (3) SDC delivers the artifact to the consumer using SDCE-6 
5. STORE CSAR:  The Consumer stores the distributed artifact.
6. Consumer Status Update- The consumer informs SDC that the artifact has been consumed using the distribution status interface of SDCE-6.
7. Unregister from CSAR distribution. At any time, any module can unregister from the reception of the CSAR using the Register for distribution service of SDCE-6 interface.
   Note: This is only done if the Consumer does not want to be informed of any more artifacts that are ready to distribute

3c (temp) Alternative flow

4. Post Condition

The post-conditions are:

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