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Abstract Preview

Defines the syntax and semantics of the Formal Description Technique LOTOS used for the formal description of distributed, concurrent information processing systems. LOTOS can be used to describe formally the service definitions and protocol specifications of the layers of Open Systems Interconnection (OSI) architecture described in ISO 7498, and related standards, and conformance tests for implementations of OSI protocols and/or OSI functions. It can also be applied for the formal description of other distributed systems, such as telephone switching networks. References: ISO 7498; CCITT Recommendation Z. 100, SDL.


General information

  • Status :  Published
    Publication date : 1989-02
  • Edition : 1
    Number of pages : 142
  • Technical Committee
    :
    ISO/IEC JTC 1/SC 7
    Software and systems engineering
  • ICS :
    35.060
    Languages used in information technology
    35.100.01
    Open systems interconnection in general

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  • CHF198

Life cycle

A standard is reviewed every 5 years



Revisions / Corrigenda

  • Now confirmed
    ISO 8807:1989

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