A solution to the problem where the source and destination hosts are on the same type of network, but there is a different network in between-
A solution to the problem where the source and destination hosts are on the same type of network, but there is a different network in between tunneling.
Tunneling is the transmission of data intended for use only within a private, usually corporate network through a public network in such a way that the routing nodes in the public network are unaware that the transmission is part of a private network.