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ITU-T X.215 (1995) Amd. 2 (12/1997)

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Nested connections functional unit
The Session service definition defined in ITU-T Rec. X.215 | ISO/IEC 8326 is enhanced to define an optional functional unit which permits additional, independent, nested session connections within an existing session connection. This enhancement will support the reusability of existing application layer standards (each making full, and possibly incompatible, use of the session synchronization services) as components of new application layer standards
Citation: https://handle.itu.int/11.1002/1000/3982
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: 1997-12-12
Identical standard:ISO/IEC 8326:1996/Amd2:1998 (Common)
Approval process:TAP
Status: In force
Maintenance responsibility: ITU-T Study Group 17
Further details: Patent statement(s)