CONTENTS

 1     Scope
 2     References
 3     Definitions
        3.1     Reference model definitions
        3.2     Terms defined in other ITU-T Recommendations, International Standards and Technical Reports
        3.3     Conformance testing definitions
 4     Abbreviations
 5     The meaning of conformance in OSI
        5.1     Introduction
        5.2     Conformance requirements
        5.3     Static conformance requirements
        5.4     Dynamic conformance requirements
        5.5     Conformance requirements related to transfer syntaxes
        5.6     Implementation Conformance Statements (ICSs)
        5.7     A conforming system
        5.8     Interworking and conformance
 6     Conformance and testing
        6.1     Objectives of conformance testing
        6.2     Extra information for testing
        6.3     Conformance assessment process overview
        6.4     Use of Basic Interconnection Tests and capability tests in the test campaign
        6.5     Analysis of results
 7     Test methods
        7.1     Introduction
        7.2     Classification of real open systems and IUTs for conformance testing
        7.3     Abstract testing methodology
        7.4     Abstract testing functions
        7.5     Overview of Abstract Test Methods
        7.6     Applicability of test methods to real open systems
        7.7     Applicability of the test methods to OSI protocols and layers
 8     Test suites
        8.1     Structure
        8.2     Abstract and executable test cases
        8.3     Base specification conformance testing specifications
        8.4     Profile Test Specifications (PTS)
 9     Relationships between Recommendations in the X.290-Series, concepts and roles
10     Compliance
Appendix I – Options
Appendix II – Index of Recommendations X.290, X.291, X.293, X.294, X.295, and X.296