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http://dx.doi.org/10.12673/jant.2020.24.5.438

QuTFTP: Quick UDP Trivial File Transfer Protocol  

Kim, Byoung-Kug (Koreanair, R&D Center)
Publication Information
Journal of Advanced Navigation Technology / v.24, no.5, 2020 , pp. 438-443 More about this Journal
Abstract
To transfer files between nodes on network based on Ethernet, file transfer protocol (FTP) on TCP/IP and trivial file transfer protocol (TFTP) on UDP/IP are mostly used. Due to the lack of resources (processor, memory and so on) in the embedded system where we generally use for simple works with small firmware like ones; many of the systems implement only UDP/IP for their network stacks. Thus, TFTP is greatly to be preferred. For examples, environmental sensor devices for sensor networks, Boot Loader for general embedded device and preboot execution environment (PXE) boot for PC provide the TFTP. The logic of TFTP is simple for file transmission but, there is Stop-And-Wait problem during the process which occurs long blocking time. In this paper, we propose an algorithm which called QuTFTP(Quick UDP Trivial File Transfer Protocol) to reduce the length of the blocking time and to be compatible with the legacy TFTP.
Keywords
QuTFTP; FTP; TFTP; File transfer protocol; Trivial file transfer protocol;
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  • Reference
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