The way it's described sounds similar to SMTP, where intermediate servers hold the entire message and keep trying until they succeed (or time out). Wikipedia's

The way it's described sounds similar to SMTP, where intermediate servers hold the entire message and keep trying until they succeed (or time out). Wikipedia's information is quite dense and hard to skim. (The "spray and wait" protocol does sound like fun, though.) http://en.wikipedia.org/wiki/Delay_Tolerant_Networking http://en.wikipedia.org/wiki/Delay_Tolerant_Networking http://en.wikipedia.org/wiki/Routing_in_delay_tolerant_networking http://en.wikipedia.org/wiki/Routing_in_delay_tolerant_netwo...