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An implementation project for an acceptance system may be split up into 6 distinct domains in order to scope what has to be delivered:
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Platform, the low level of the acceptance system’s architecture supporting all services required to get EMV kernel certifications
Agnos, the corner stone of the EMV acceptance system to be ported (alias the framework)
L3 and its interface, a.k.a. PoI or PoP, driving the framework and interfacing with 3 external systems: Processing (providing an interface to route financial messages), TMS (providing an interface to manage configurations), and Acquirer Security (defining security rules to integrate in order to accept transaction in the acquiring infrastructure).
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