Reference number
ISO/IEC 10746-4:1998
International Standard
ISO/IEC 10746-4:1998
Information technology — Open Distributed Processing — Reference Model: Architectural semantics — Part 4:
Edition 1
1998-12
Preview
ISO/IEC 10746-4:1998
20698
недоступно на русском языке
Опубликовано (Версия 1, 1998)
Последний раз этот публикация был пересмотрен в  2017. Поэтому данная версия остается актуальной.
В данный стандарт внесены 1 поправка.

ISO/IEC 10746-4:1998

ISO/IEC 10746-4:1998
20698
Язык
Формат
CHF 151
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The electronic version of this International Standard can be downloaded from the ISO/IEC Information Technology Task Force (ITTF) web site

Тезис

The rapid growth of distributed processing has lead to a need for a coordinating framework for the standardization of

Open Distributed Processing (ODP). This Reference Model of ODP provides such a framework. It creates an

architecture within which support of distribution, interworking, interoperability and portability can be integrated.

The Basic Reference Model of Open Distributed Processing (RM-ODP), (see ITU-T Recs. X.901 to X.904 | ISO/IEC

10746), is based on precise concepts derived from current distributed processing developments and, as far as possible,

on the use of formal description techniques for specification of the architecture.

The RM-ODP consists of:

? ITU-T Rec. X.901 | ISO/IEC 10746-1: 2YHUYLHZ:_ Contains a motivational overview of ODP giving

scooping, justification and explanation of key concepts, and an outline of ODP architecture. This part is

not normative.

? ITU-T Rec. X.902 | ISO/IEC 10746-2: )RXQGDWLRQV:_ Contains the definition of the concepts and

analytical framework and notation for normalized description of (arbitrary) distributed processing

systems. This is only to a level of detail sufficient to support ITU-T Rec. X.903 | ISO/IEC 10746-3 and to

establish requirements for new specification techniques. This part is normative.

? ITU-T Rec. X.903 | ISO/IEC 10746-3: $UFKLWHFWXUH: Contains_ the specification of the required

characteristics that qualify distributed processing as open. These are the constraints to which ODP

standards must conform. It uses the descriptive techniques from ITU-T Rec. X.902 | ISO/IEC 10746-2.

This part is normative.

? ITU-T Rec. X.904 | ISO/IEC 10746-4: $UFKLWHFWXUDO_6HPDQWLFV:_Contains a formalisation of the ODP

modeling concepts defined in ITU-T Rec. X.902 | ISO/IEC 10746-2, clauses 8 and 9, and a formalisation

of the viewpoint languages of ITU-T Rec. X.903 | ISO/IEC 10746-3. The formalisation is achieved by

interpreting each concept in terms of the constructs of the different standardized formal description

techniques. This part is normative.

The purpose of this Recommendation | International Standard is to provide an architectural semantics for ODP. This

essentially takes the form of an interpretation of the basic modeling and specification concepts of ITU-T Rec. X.902 |

ISO/IEC 10746-2 and viewpoint languages of ITU-T Rec. X.903 | ISO/IEC 10746-3, using the various features of

different formal specification languages. An architectural semantics is developed in four different formal specification

languages: LOTOS, ESTELLE, SDL and Z. The result is a formalization of ODP's architecture. Through a process of

iterative development and feedback, this has improved the consistency of ITU-T Rec. X.902 | ISO/IEC 10746-2 and

ITU-T Rec. X.903 | ISO/IEC 10746-3.

An architectural semantics provides the additional benefits of:

? assisting the sound and uniform development of formal descriptions of ODP systems; and

? of permitting uniform and consistent comparison of formal descriptions of the same standard in different

formal specification languages.

Rather than provide a mapping from all the concepts of ITU-T Rec. X.902 | ISO/IEC 10746-2, this Recommendation |

International Standard focuses on the most basic. A semantics for the higher level architectural concepts is provided

indirectly through their definition in terms of the basic ODP concepts.

Examples of the use of some of the formal specification languages in this report can be found in TR 10167 (Guidelines

for the Application of ESTELLE, LOTOS and SDL).

In the following clauses, the concepts are numbered in accordance with the scheme used in ITU-T Rec. X.902 |

ISO/IEC 10746-2.

This Recommendation | International Standard specifies an architectural semantics for ODP. This is required to:

? provide formalisation of the ODP modelling concepts;

? assist sound and uniform development of formal descriptions of standards for distributed systems;

? act as a bridge between the ODP modelling concepts and the semantic models of the specification

languages: LOTOS, SDL, ESTELLE and Z;

? provide a basis for uniform and consistent comparison between formal descriptions of the same standard

in specification languages that are used to develop an architectural semantics.

This part is normative.

Общая информация

  •  : Опубликовано
     : 1998-12
    : Подтверждение действия международного стандарта [90.93]
  •  : 1
  • ISO/IEC JTC 1/SC 7
    35.080 
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Amendment 1

Computational formalization

Версия 2001

ISO/IEC 10746-4:1998/Amd 1:2001
32328
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Формат
CHF 151
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