UDP, on the other hand, is connectionless. TCP verifies the connection between the two computers before any communication can take place between the computers. TCP guarantees that you receive all your data correctly. For example, if you’re downloading a file, you want the entire file and not just parts of the file. Whenever a file is transferred to your computer from another computer, your data needs to be received correctly. The communication between computers needs to be secure and reliable.
Since TFTP uses UDP instead of TCP, it’s an unreliable transfer protocol. TFTP relies on UDP (User Datagram Protocol) as it is a connectionless protocol.
FTP relies on TCP (Transmission Control Protocol) during transport. The difference between TFTP and FTP lies in the mechanism. What is the difference between TFTP and FTP?
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