Many, many years ago I used to build distributed content delivery infrastructure for K-12 education systems, state and national. I remember one customer (a sta

Many, many years ago I used to build distributed content delivery infrastructure for K-12 education systems, state and national. I remember one customer (a state department of education) in particular had a server at each school with reasonable private bandwidth but unreliable routing and dismal internet connectivity, so we used the BitTorrent protocol for eventually-consistent asset distribution between their sites. See also: using NNTP as your pub/sub message bus.