2. High Level Architecture of NPI | NCHL API Documentation
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2. High Level Architecture of NPI

2.1.High Level Block Diagram​

Following is the high-level structure of National Payments Interface (NPI).

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2.2. High Level Network Diagram​

Below is the high-level network diagram for NPI.

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All the participants shall be connected with NCHL using the layer 2 VPN. In special cases, whereby such service providers could not be on-boarded on L2, then L3 SSL VPN may be established.