CONTENTS

Summary���� iv
Introduction���� �� v
�1���� Scope
�2���� Normative references
������� 2.1���� Identical Recommendations | International Standards
������� 2.2���� Paired Recommendations | International Standards equivalent in technical content
��� ����2.3���� Additional references
�3���� Definitions
������� 3.1���� Basic Reference Model definitions
������� 3.2���� Service conventions definitions
������� 3.3���� Naming and Addressing definitions
������� 3.4���� Presentation‑service definitions
�4��� �Abbreviations
�5���� Conventions
�6���� Overview of the presentation service
������� 6.1���� Purpose��
������� 6.2���� Relationship to Application Layer
������� 6.3���� Relationship to Session Layer
������� 6.4���� Features of the Presentation Layer
����� ��6.5���� Negotiation of syntax
������� 6.6���� Information transfer
������� 6.7���� Presentation context definition
������� 6.8���� Management of the DCS
�7���� Facilities of the service
������� 7.1���� The connection establishment facility
������� 7.2�� ��The connection termination facility
������� 7.3���� The context management facility
������� 7.4���� The information transfer facility
������� 7.5���� The dialogue control facility
������� 7.6���� Connectionless Information transfer facility
�8���� Functional units
�9���� Quality of Service
10���� Presentation service primitives
������ 10.1���� User data parameters
������ 10.2���� P‑CONNECT service
������ 10.3���� P‑U‑ABORT service
������ 10.4���� P‑P‑ABORT service
������ 10.5���� P‑ALTER‑CONTEXT service
������ 10.6���� P‑TYPED‑DATA service
������ 10.7���� P‑DATA service
������ 10.8���� P‑RESYNCHRONIZE service
������ 10.9���� P‑ACTIVITY‑START service
����� 10.10���� ������ P‑ACTIVITY‑RESUME service
����� 10.11���� ������ P‑ACTIVITY‑INTERRUPT service
����� 10.12���� ������ P‑ACTIVITY‑DISCARD service
����� 10.13���� ������ P‑ACTIVITY‑END service
����� 10.14���� ������ P‑CAPABILITY‑DATA service
����� 10.15���� ������ P‑CONTROL‑GIVE service
����� 10.16���� ������ P‑TOKEN‑GIVE service
����� 10.17���� ������ P‑TOKEN‑PLEASE service
����� 10.18���� ������ P‑U‑EXCEPTION‑REPORT service
����� 10.19���� ������ P‑P‑EXCEPTION REPORT service
����� 10.20���� ������ P‑EXPEDITED‑DATA service
����� 10.21���� ������ P‑SYNC‑MINOR service
����� 10.22���� ������ P‑SYNC‑MAJOR service
����� 10.23���� ������ P‑RELEASE service
����� 10.24���� ������ P‑UNIT-DATA service
11���� Sequences
������ 11.1���� P‑CONNECT service
������ 11.2���� P‑U‑ABORT service
������ 11.3���� P‑P‑ABORT service
������ 11.4���� P‑ALTER‑CONTEXT service
������ 11.5���� P‑TYPED‑DATA and P‑DATA services
������ 11.6���� P‑CAPABILITY‑DATA service
������ 11.7���� P‑EXPEDITED‑DATA service
������ 11.8������ P‑SYNC‑MINOR, P‑SYNC‑MAJOR, P‑RELEASE, P‑ACTIVITY‑START, P‑PLEASE‑TOKENS,��� P‑GIVE‑TOKENS, P‑GIVE‑CONTROL, P‑ACTIVITY‑END and P‑ACTIVITY‑RESUME services���� 36
������ 11.9������ P‑RESYNCHRONIZE, P‑U‑EXCEPTION‑REPORT, P‑P‑EXCEPTION‑REPORT,����� P‑ACTIVITY‑INTERRUPT and P‑ACTIVITY‑DISCARD services
����� 11.10������ P‑UNIT‑DATA service
Annex A � Restrictions on the Use of the Presentation‑service in X.410‑1984 Mode
������� A.1���� P‑CONNECT service
������� A.2���� P‑U‑ABORT service
������� A.3���� P‑TOKEN‑PLEASE service
������� A.4���� P‑DATA service
Annex B � Registration of Abstract Syntaxes
������� B.1���� Introduction
������� B.2���� Naming of Abstract Syntaxes
������� B.3���� Form of registration of an abstract syntax
Annex C � Corrections and enhancements incorporated in ITU-T Rec. X.216 | ISO/IEC 8822