I'm coming to this thread late, so I'm amazed that no-one has mentioned Named Data Networking - see https://en.wikipedia.org/wiki/Named_data_networking https://

I'm coming to this thread late, so I'm amazed that no-one has mentioned Named Data Networking - see https://en.wikipedia.org/wiki/Named_data_networking https://en.wikipedia.org/wiki/Named_data_networking and https://named-data.net/ https://named-data.net/ . The basic idea is to manage the "what" rather than the "where". This looks like the future to me.