CONTENTS

 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     Reference model definitions
                  3.1.1     Basic Reference Model definitions
                  3.1.2     Security architecture definitions
                  3.1.3     Naming and addressing definitions
        3.2     Service conventions definitions
        3.3     Presentation service definitions
        3.4     Application Layer Structure definitions
        3.5     ACSE service definitions
 4     Abbreviations
 5     Conventions
 6     Basic concepts
        6.1     General
        6.2     Authentication
                  6.2.1     Authentication concepts
                  6.2.2     ACSE authentication facilities
 7     Service overview
        7.1     Connection-oriented mode
                  7.1.1     ACSE services
                  7.1.2     Functional units
        7.2     Connectionless mode
 8     Relationship with other ASEs and lower layer services
        8.1     Other application-service-elements
        8.2     Presentation-service
                  8.2.1     Connection-oriented mode
                  8.2.2     Connectionless mode
        8.3     Session-service
                  8.3.1     Connection-oriented mode
                  8.3.2     Connectionless mode
 9     Service definition
        9.1     A-ASSOCIATE service
                  9.1.1     A-ASSOCIATE parameters
                  9.1.2     A-ASSOCIATE service procedure
        9.2     A-RELEASE service
                  9.2.1     A-RELEASE parameters
                  9.2.2     A-RELEASE service procedure
        9.3     A-ABORT service
                  9.3.1     A-ABORT parameters
                  9.3.2     A-ABORT service procedure
        9.4     A-P-ABORT service
                  9.4.1     A-P-ABORT parameter
                  9.4.2     A-P-ABORT service procedure
        9.5     A-UNIT-DATA service
                  9.5.1     A-UNIT-DATA Parameters
                  9.5.2     A-UNIT-DATA procedure
10     Sequencing information
       10.1     A-ASSOCIATE
                 10.1.1     Type of service
                 10.1.2     Usage restrictions
                 10.1.3     Disrupted service procedures
                 10.1.4     Disrupting service procedures
                 10.1.5     Collisions
       10.2     A-RELEASE
                 10.2.1     Type of service
                 10.2.2     Usage restrictions
                 10.2.3     Disrupted service procedures
                 10.2.4     Disrupting service procedures
                 10.2.5     Collisions
                 10.2.6     Further sequencing information
       10.3     A-ABORT
                 10.3.1     Type of service
                 10.3.2     Usage restrictions
                 10.3.3     Disrupted service procedures
                 10.3.4     Disrupting service procedures
                 10.3.5     Collisions
                 10.3.6     Further sequencing information
       10.4     A-P-ABORT
                 10.4.1     Type of service
                 10.4.2     Usage restrictions
                 10.4.3     Disrupted service procedures
                 10.4.4     Disrupting service procedures
       10.5     A-UNIT-DATA
                 10.5.1     Type of service
                 10.5.2     Usage restrictions
                 10.5.3     Disrupted services
                 10.5.4     Disrupting services
                 10.5.5     Collisions