Data communication networks : open systems interconnection (OSI) protocol specifications, conformance testing (Recommendations X.220 - X.290)

Geahča maid

• Data communication networks : open systems interconnection (OSI), model and notation, service definition (Recommendations X.200 - X.219)
  Dahkki: International Telegraph and Telephone Consultative Committee, et al.
  Almmustuhtton: (1989)
• Data communication networks : directory (Recommendations X.500-X.521)
  Dahkki: International Telecommunication Union, et al.
  Almmustuhtton: (1989)
• Data communication networks : message handling systems (Recommendations X.400 - X.420)
  Dahkki: International Telegraph and Telephone Consultative Committee, et al.
  Almmustuhtton: (1989)
• Data communication networks : services and facilities, interfaces (Recommendations X.1 -X.32)
  Dahkki: International Telegraph and Telephone Consultative Committee, et al.
  Almmustuhtton: (1989)
• Data communication networks : transmission, signalling and switching, network aspects, maintenance and administrative arrangements (Recommendations X.40 - X.181)
  Dahkki: International Telegraph and Telephone Consultative Committee, et al.
  Almmustuhtton: (1989)