Seems likely the use of the "Rendezvous" term is going to get you a cease-and-desist just like Apple got over what is now known as "Bonjour" (aka mDNS)
Exactly - the correct solution is that border inspection of luggage (for contraband) NOT be considered a legal basis for searching my information storage.
Warrantless search of gadgets / accounts should be prohibited for citizens. For non-citizens, it should require a significant justification.
Finally, NONE of the data examined at the border should be stored for longer than necessary to reach a go/no-go determination.
https://en.wikipedia.org/wiki/Bonjour_(software)