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ITU-T X.210 (11/1993)

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Information technology – Open Systems Interconnection – Basic Reference Model: Conventions for the definition of OSI services
The service conventions prescribed in this recommendation ensure that the services of OSI standards are defined in a uniform way, which is consistent with the OSI Reference Model and the application layer structure standard. The text was developed jointly with ISO/IEC. The main intent of this revision is to provide extended capabilities, which are useful in specifying services within the application layer and also to allow greater flexibility to accommodate new services among the layers in the future
Citation: https://handle.itu.int/11.1002/1000/2828
Series title: X series: Data networks, open system communications and security
  X.200-X.299: Open Systems Interconnection
  X.210-X.219: Service definitions
Approval date: 1993-11-16
Identical standard:ISO/IEC 10731:1994 (Common)
Approval process:TAP
Status: In force
Maintenance responsibility: ITU-T Study Group 17
Further details: Patent statement(s)