Virtual Circuit Network

What
A virtual circuit network is a computer network that implements a connection based service for its network layer

Setting up a Connection
When a new connection is set up in a virtual circuit network, we must put all of our routing information in the routers in the network. This information includes:
 * Virtual connection mapping on routers and physical link mapping

Cleaning up a Connection
When the connection is no longer needed, we delete all the entries in the forwarding tables of the routers along that connection