BankofAmerican is the bank center program, which is working in the user space in one board. 
And the Bank Insterest is working in the kernel space in the same board.
ATMofBOA is the ATM system program, which is working in the user space in another board.

In the ATMofBOA, you should change the host IP address. The default one is 10.3.52.15.