OpenFlow Data Plane Abstraction (OF-DPA) API Guide and Reference Manual
ONIE OFDPA Installer

ONIE installer/NOS is packaged with all the ofdpa files a switch would require to run the applications and uImage specific to a platform.

Following are the files packaged in the NOS:

When the NOS is booting, it copies all the above files to the persistent storage and starts uImage. The uImage in turn runs through a startup script which auto-boots the "ofagentapp" with the criteria mentioned in Automatic Bootup