NCIM topology database
The Network Connectivity and Inventory Model (NCIM) topology database is a relational database that Network Manager uses to consolidate topology data about the physical and logical composition of devices, layer 1, layer 2, and 3 connectivity, routing protocols and network technologies such as OSPF, BGP and MPLS Layer 3 VPNs.
Usage considerations
This information about the NCIM database assumes that you are familiar with relational databases. It also assumes that you are familiar with SQL query techniques used to extract data from relational databases. You can use these query techniques to query the NCIM database to obtain topology data. Expert users can manipulate data in the NCIM database using insert, update, and delete statements.