x.25

1 definition found

x.25 - Free On-line Dictionary of Computing (26 May 2007) :

  X.25
  ISO 8208
  
     <protocol, standard> An ITU-T standard protocol suite
     for the DTE-DCE interface in a packet-switched network,
     approved by ISO.  X.25 defines standard physical layer,
     data link layer and network layers (layers 1 through 3).
     It was developed to describe how data passes into and out of
     public data communications networks.  X.25 networks are in use
     throughout the world.
  
     Document: ISO 8208.
  
     Several other ITU-T recommendations are relevant to packet switching
     : X.3, X.28, X.29, X.75.
  
     (1996-08-10)