A Trivial File Transfer Protocol (TFTP) uses UDP and is employed for downloading new code

A Trivial File Transfer Protocol (TFTP) uses UDP and is employed for downloading new code to Internet appliances such as router, switch etc. Consider a scenario in which Host A sends the TFTP data dn to Host B and, in return, expects an ACK an from B. Explain clearly with proper illustration how does Host A recover from loss/error in (i) data do and (ii) ACK an. A Trivial File Transfer Protocol (TFTP) uses UDP and is employed for downloading new code to Internet appliances such as router, switch etc. Consider a scenario in which Host A sends the TFTP data dn to Host B and, in return, expects an ACK an from B. Explain clearly with proper illustration how does Host A recover from loss/error in (i) data do and (ii) ACK an