This ITU-T Recommendation | International Standard defines (in an abstract way) the externally visible service provided by the OS1 Presentation Layer in terms of a) the primitive actions and events at the user/service boundary; b) the parameter data associated with each primitive action and event; c) the relationship between, and the valid sequences of, those actions and events. The service defined in this ITU-T Recommendation | International Standard is the connection-oriented service which is provided by the OS1 connection-oriented presentation protocol and the the connectionless service which is provided by the OS1 connectionless presentation protocol, each in conjunction with the OSI session-service. The connection-oriented presentation service defined in this ITU-T Recommendation | International Standard may be used by an OS1 application protocol defined for connection-oriented transmission. The connectionless presentation service defined in this ITU-T Recommendation | International Standard may be used by an OSI application protocol defined for connectionless transmission. This ITU-T Recommendation | International Standard does not specify individual implementations or products, nor does it constrain the implementation of entities and interfaces within a computer system. There is, therefore, no conformance to this ITU-T Recommendation I Intemational Standard.
ITU-T X.216 SPANISH-1994 Referenced Document
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ITU-T X.226-1994 Information Technology - Open Systems Interconnection - Connection-Oriented Presentation Protocol: Protocol Specification - Data Networks and Open System Communications Open Systems Interconnection - Connection-Mode Protocol Specifications 68 pp
ITU-T X.236 Information Technology - Open Systems Interconnection - Connectionless Presentation Protocol: Protocol Specification - Data Networks and Open System Communications - Open Systems Interconnection - Connectionless-Mode Protocol Specifications 17 pp*, 1995-04-01 Update
ITU-T X.650-1992 Open Systems Interconnection (OSI) - Reference Model for Naming and Addressing (Study Group VII) 32 pp
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ITU-T X.216 SPANISH-1994 history
1994ITU-T X.216 SPANISH-1994 INFORMATION TECHNOLOGY - OPEN SYSTEMS INTERCONNECTION - PRESENTATION SERVICE DEFINITION