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CAN/CSA-Z243.101-89 (R2018)

Current
Current

The latest, up-to-date edition.

Information Processing Systems - Open Systems Interconnection - LOTOS - A Formal Description Technique Based on the Temporal Ordering of Observational Behaviour (Adopted ISO 8807:1989)
Published date

01-01-1989

Publisher

Canadian Standards Association

Preface
0 Introduction
1 Scope and field of application
2 References
3 Conformance
4 Basic mathematical concepts and notation
5 Model
6 Formal syntax
7 Semantics
Annexes
A - Standard library of data types
B - Equivalence relations
C - A tutorial on LOTOS
D - Syntax diagrams
E - Informal basis for abstract data types

Scope and Field of Application This International Standard defines the syntax and semantics of the Formal Description Technique LOTOS. LOTOS is in general used for the formal description of distributed, concurrent information processing systems. In particular 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.

Scope and Field of Application This International Standard defines the syntax and semantics of the Formal Description Technique LOTOS. LOTOS is in general used for the formal description of distributed, concurrent information processing systems. In particular 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.

DocumentType
Standard
ProductNote
This standard is also refer as IS0 7498,CCITT
PublisherName
Canadian Standards Association
Status
Current
Supersedes

Standards Relationship
ISO 8807:1989 Identical

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