For those interested in this technology, here are some more details I've found. Still putting the pieces together. DTN technology has an RFC: https://tools.iet

For those interested in this technology, here are some more details I've found. Still putting the pieces together. DTN technology has an RFC: https://tools.ietf.org/html/rfc4838 https://tools.ietf.org/html/rfc4838 There's an Android client + Java server on Github from 6 years ago: https://github.com/bonnyfone/MDTN https://github.com/bonnyfone/MDTN And another implementation on SourceForge: https://sourceforge.net/projects/ion-dtn/ https://sourceforge.net/projects/ion-dtn/