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TFTP is an non-trivial network application. The objective of this project is to design and implement TFTP using the User Datagram Protocol (UDP).
The TFTP protocol is defined in RFC1350 [1]. It is a simplified version of File Transfer Protocol (FTP). TFTP doesn't include directory listing or authentication, but concentrates on le transfer only.
The design of TFTP the application includes:
(a) User interface design: This is used by the client to interact with the user. User command put or get starts a le transfer.
(b) File transfer design: This component is the one which requires two Finite State Machines (FSMs) for the client and the server as the formal TFTP protocol.
(c) File system module design: This component is responsible for accessing the le systems of the sender and the receiver. The sender and the receiver have to read and write corresponding les, respectively. These operations are part of the actions in the FSMs.
(d) Network module design: This is to hide the details of the network operations and provide a higher-level interfaces to the FSMs for the actions which needs network interactions.
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