File Transfer Protocol
After earning his Ph.D. Kudlick worked for Shell Development and later the Augmentation Research Center (ARC) at SRI International. At the ARC he contributed to the development of the computer mouse. He also worked on the ARPANet File Transfer Protocol committee, which established how file transfers work on ARPANET, and its successor, the internet; the standard is RFC542, "File Transfer Protocol for the ARPA Network". Kudlick was also on the Network Mail committee which wrote RFC469.