Network  Control  protocols ( NCP)

The first  ARPANET  networking protocols  was named  simply the network  control protocols in 1970,and  was created by  created by  network  group . NVP  was designed  to establish  and maintain a communication link between two host  computers.

In other  world NCP is methods   of establishing  and configuring   different network  layer  protocols. NCP  is designed to allow the simultaneous use of  multiple  network layer  protocols. Some example of protocols  are IPCP  ( Internet work protocols  control Protocol )  and IPXCP ( Internetwork  packet exchange control  packet).