2 NORMATIVE REFERENCES

The following standards contain provisions which, through reference in this text, constitute provisions of this Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this Standard are encouraged to investigate the possibilities of applying the most recent editions of the standards indicated below.

ISO/IEC Directives, 1989 Part 3 - Drafting and Presentation of International Standards.

ISO 7498-1 Information Processing Systems-Open Systems Interconnection- Basic Reference Model

ISO/TR 8509 Information Processing Systems-Open Systems Interconnection- Service Conventions