What is the difference between ftp and tftp

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The sender always sends the data block of the fixed size that is bytes and waits for the acknowledgement to receive before it sends the next block of data. RRQ is a read request message which is used to establish the connection between client and server for reading data. WWQ is a write request message used to establish the connection between client and server for writing data. DATA is the message used by client or server to send the block of data.

ACK is the acknowledgement message used by the client or the server to acknowledge the receipt of the received data block. ERROR is a message used by the client or the server when there is a problem in establishing the connection between client and server, or there is a problem in transferring the data. It uses UDP as transport layer protocol.

FTP uses robust control commands. TFTP uses simple control commands. It sends data over a separate TCP connection from control commands. It uses no connections because UDP is connectionless protocol. It requires more memory and programming effort. This is a standard protocol that is used to transfer files between computers and servers over a network, such as the Internet.

For example, if someone anywhere in the world wanted to make their files available for other people to download, all they would have to do is upload their files to the FTP server and then other people from anywhere in the world can simply connect to that FTP server and download the files using the FTP protocol. FTP servers usually require an account with a username and password, but sometimes you can just log in anonymously.

It just depends on what type of authentication that the owner of the FTP server has set up. There are a couple of ways to transfer files using FTP. You can use your standard Internet browser or you can use an FTP client. For example, using web browser you would simply type in the address of the FTP server that you want to connect to, just as if you were going to a regular web site.