Active and Available Inventory (AAI) is the OpenECOMP subsystem that provides real-time views of available Resources, Services, Products, Offers, and their relationships. AAI (sometimes referred to as A&AI) not only forms a registry of active, available, and assigned assets, it also maintains up-to-date views of the multidimensional relationships among these assets, including their relevance to different components of OpenECOMP. 

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Figure 1 provides a functional view of AAI.

Figure 1. Active and Available Inventory (AAI) functional diagram

Inventory and topology management 

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In addition, AAI data is provided to the Topology Viewer of the OpenECOMP Portal, enabling a layered, graphical view of the virtual cloud network.