TADKOM / TAktisk Digital KOMunikasjon (English: TADCOM / TActical Digital COMmunication) is an encrypted network used as a carrier for most of the communication for all four branches of the Norwegian military. Most nodes

Node (networking)

In communication networks, a node is a connection point, either a redistribution point or a communication endpoint . The definition of a node depends on the network and protocol layer referred to...

 operate on a speed of 2mbit and above. TADKOM is also used to carry signals such as Link-11, Link-11B, Link-16 and Link-22(Future). The system use the X.25

X.25

X.25 is an ITU-T standard protocol suite for packet switched wide area network communication. An X.25 WAN consists of packet-switching exchange nodes as the networking hardware, and leased lines, Plain old telephone service connections or ISDN connections as physical links...

protocol to communicate between the nodes.

TADKOM is classified for Nato Secret and National Secret without any additional encryption devices.