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As shown in the figure below, the primary model update can happen though DMI Plugin and NCMP and secondary model update still uses the CPS-E-02 interface which happens via CPS-TBDMT. Below is the sequence prepared for Network Slicing use case. We planned to make use of SDN-C for triggering CPS update for primary-model, as mentioned already. You might need to introduce a new module in place of SDN-C.
(Shankar) Update from 12/13 SON call discussion with CPS team (Toine Siebelink and Tony Finnerty ). It may be possible/preferred to collapse and combine steps 4 and 5 in the figure below and have DMI plug-in receive the VES message directly. This assumes the VES message has information to identify the attributes, and update them in an efficient manner. In this case, step 8 trigger to TBDMT will come from CPS NCMP.
See CPS-1434: VES Message to update CPS DB - Developer Wiki - Confluence (onap.org) for details about updating CPS DB.