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ISO 8648:1988PublishedInformation processing systems — Open Systems Interconnection — Internal organization of the Network LayerISO/IEC 8650-2:1997PublishedInformation technology — Open Systems Interconnection — Protocol specification for the Association Control Service Element: Protocol Implementation Conformance Statement (PICS) proformaISO 8807:1989PublishedInformation processing systems — Open Systems Interconnection — LOTOS — A formal description technique based on the temporal ordering of observational behaviourISO/IEC 8822:1994PublishedInformation technology — Open Systems Interconnection — Presentation service definitionISO/IEC 8823-2:1997PublishedInformation technology — Open Systems Interconnection — Connection-oriented presentation protocol: Protocol Implementation Conformance Statement (PICS) proformaISO/IEC 8823-1:1994PublishedInformation technology — Open Systems Interconnection — Connection-oriented presentation protocol: Protocol specificationISO/IEC 8824-2:2021PublishedInformation technology — Abstract Syntax Notation One (ASN.1) — Part 2: Information object specificationISO/IEC 8824-3:2021PublishedInformation technology — Abstract Syntax Notation One (ASN.1) — Part 3: Constraint specificationISO/IEC 8824-4:2021PublishedInformation technology — Abstract Syntax Notation One (ASN.1) — Part 4: Parameterization of ASN.1 specificationsISO/IEC 8824-1:2021PublishedInformation technology — Abstract Syntax Notation One (ASN.1) — Part 1: Specification of basic notationISO/IEC 8825-1:2021PublishedInformation technology — ASN.1 encoding rules — Part 1: Specification of Basic Encoding Rules (BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER)ISO/IEC 8825-2:2021PublishedInformation technology — ASN.1 encoding rules — Part 2: Specification of Packed Encoding Rules (PER)ISO/IEC 8825-3:2021PublishedInformation technology — ASN.1 encoding rules — Part 3: Specification of Encoding Control Notation (ECN)ISO/IEC 8825-4:2021PublishedInformation technology — ASN.1 encoding rules — Part 4: XML Encoding Rules (XER)ISO/IEC 8825-5:2021PublishedInformation technology — ASN.1 encoding rules — Part 5: Mapping W3C XML schema definitions into ASN.1ISO/IEC 8825-6:2021PublishedInformation technology — ASN.1 encoding rules — Part 6: Registration and application of PER encoding instructionsISO/IEC 8825-7:2021PublishedInformation technology — ASN.1 encoding rules — Part 7: Specification of Octet Encoding Rules (OER)ISO/IEC 8825-8:2021PublishedInformation technology — ASN.1 encoding rules — Part 8: Specification of JavaScript Object Notation Encoding Rules (JER)ISO/IEC 8877:1992PublishedInformation technology — Telecommunications and information exchange between systems — Interface connector and contact assignments for ISDN Basic Access Interface located at reference points S and TISO/IEC 8878:1992PublishedInformation technology — Telecommunications and information exchange between systems — Use of X.25 to provide the OSI Connection-mode Network ServiceISO/IEC 8881:1989PublishedInformation processing systems — Data communications — Use of the X.25 packet level protocol in local area networksISO/IEC 8882-3:2000PublishedInformation technology — Telecommunications and information exchange between systems — X.25 DTE conformance testing — Part 3: Packet layer conformance test suiteISO/IEC 8882-2:2000PublishedInformation technology — Telecommunications and information exchange between systems — X.25 DTE conformance testing — Part 2: Data link layer conformance test suiteISO/IEC 8882-1:1996PublishedInformation technology — Telecommunications and information exchange between systems — X.25 DTE conformance testing — Part 1: General principlesISO/IEC 8886:1996PublishedInformation technology — Open Systems Interconnection — Data link service definition