3 participant Participant
4 participant ACM_Runtime
7 Participant -> ACM_Runtime: [ASYNC] Register
8 ACM_Runtime -> ACM_Database: Create or Update Participant Registration\nand store supported ACM element types
9 ACM_Runtime -> ACM_Database: Set Participant State as ONLINE
10 Participant <- ACM_Runtime: Registration Accepted
12 ACM_Runtime -> ACM_Runtime: Mark all ACM Element Instances\nrunning on Participant as ONLINE
14 deactivate ACM_Runtime