Overview
ISO/IEC 9596-2:1993/Cor 3:1998 is a Technical Corrigendum to the ISO/IEC 9596-2 standard - the PICS proforma for the Common Management Information Protocol (CMIP) within the Open Systems Interconnection (OSI) framework. Published 1998-12-15 and prepared by ISO/IEC JTC 1, this corrigendum issues a precise correction to ASN.1 type declarations used in the PICS proforma. It is issued in conjunction with the corresponding ITU‑T Recommendation X.712 (1992)/Cor.3 (1998 E).
Key topics and requirements
- Scope of the corrigendum: Updates in subclause A.5.5 affecting ASN.1 definitions in the PICS proforma.
- Specific correction: In Table A.91 (index A.91.3) and Table A.92 (index A.92.3) the ASN.1 type token CHOICE is replaced by SET OF CHOICE.
- Impact area: The change affects how protocol options are modelled in the PICS proforma and thus the formal conformance statements used for CMIP implementations.
- Conformance clarity: The corrigendum refines the data-typing to remove ambiguity in implementation conformance statements (PICS), which are used during conformance testing and interoperability assessments.
Practical applications
- Ensures accurate ASN.1 schema usage in the CMIP PICS proforma so that implementers produce consistent Protocol Implementation Conformance Statements.
- Reduces ambiguity in conformance testing documentation for CMIP-based network management products.
- Helps maintain interoperable implementations in OSI-based network management environments by aligning formal data type definitions with intended semantics.
Who uses this standard
- Protocol implementers developing CMIP agents and managers who must produce or interpret PICS proformas.
- Conformance test laboratories that validate CMIP implementations against PICS proformas.
- Network management product vendors and integrators focusing on OSI/CMIP compatibility and interoperability.
- Standards and compliance teams who maintain conformity between ISO/IEC and ITU‑T specifications.
Related standards
- ITU‑T Rec. X.712 (1992)/Cor.3 (1998 E) - the corresponding ITU‑T document referenced by this corrigendum.
- ISO/IEC 9596-2:1993 - the base standard (PICS proforma) to which this corrigendum applies.
Note: This corrigendum makes a narrow, technical amendment to ASN.1 type usage in the PICS proforma; it does not introduce new functional requirements. Keywords: ISO/IEC 9596-2, CMIP, PICS proforma, ASN.1, SET OF CHOICE, CHOICE, conformance, ITU‑T X.712, OSI, network management.
Open preview (PDF)Information technology — Open Systems Interconnection — Common management information protocol: Protocol Implementation Conformance Statement (PICS) proforma — Part 2: — Technical Corrigendum 3
