[dedalus]

https://en.wikipedia.org/wiki/Reliable_User_Datagram_Protoco... is also a good protocol in this space.

Its been a decade since I worked with atou (Almost TCP over UDP) but it does work: http://www.csm.ornl.gov/~dunigan/net100/atou.html

An excellent read on how to implement reliable UDP by Craig is here: https://pdfs.semanticscholar.org/1d88/1d58d53ee530a4b4c7427a...