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BS ISO/IEC 14752:2000

Current
Current

The latest, up-to-date edition.

Information technology. Open Distributed Processing. Protocol support for computational interactions
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-15-2000

1 Scope
2 Normative References
      2.1 Identical Recommendation|International
             Standards
      2.2 Other Specifications
3 Definitions
      3.1 Terms defined in the ODP Reference Model:
             Foundations
      3.2 Terms defined in the ODP Reference Model:
             Architecture
      3.3 Definitions for protocol support for
             computational interactions
4 Abbreviations
5 Conventions
6 Overview
      6.1 General Interworking Framework
      6.2 Liaisons between channel objects
      6.3 Facilities of the GIF
      6.4 Computational operations and signals
      6.5 Encoding of computational information
7 Interface references
8 Service model
      8.1 Service primitives
      8.2 Associations
9 Basic interworking facility
      9.1 Request
      9.2 Result
      9.3 Cancel
      9.4 Abort
      9.5 State table for the Basic Interworking Facility
10 Access facility
      10.1 Syntax-propose
      10.2 Syntax-advise
      10.3 Access-cancel
      10.4 Access-abort
      10.5 State table for the Access Facility
11 Location facility
      11.1 Location-query
      11.2 Location-advise
      11.3 Location-cancel
      11.4 Location-abort
      11.5 State table for the Location Facility
12 Association management facility
      12.1 Association-request
      12.2 Association-accept
      12.3 Association-reject
      12.4 Association-close
      12.5 Association-abort
      12.6 State table for the Association Management
             Facility
Annex A - Mapping to CORBA GIUP and IIOP
      A.1 - Introduction
      A.2 - Conventions
      A.3 - Generic Inter-Orb Protocol
      A.4 - Mapping of parameters
      A.5 - GIOP Message encoding
      A.6 - Internet Inter-Orb Protocol
      A.7 - Mapping of Association management primitives to
            TCP events
      A.8 - Interface references
Annex B - Outline of mapping to DCE-CIOP

Covers the interactions between computational objects in a computational specification of a system relate to protocol support for those interactions in engineering specification of that system; defines the parameters of the service, primitives of the GIF; defines a General Interworking Framework (GIF); defines the permitted sequence of the service primitives by means of state tables. Within the GIF, defines a set of facilities each compromising a set of functionally-related service primitives as abstract definitions of the interactions of basic engineering objects and channel objects. Specifies, in annexes, the mapping of the GIF service primitives and their parameters to the messages and fields of particular protocols.

This Recommendation | International Standard is based on the framework of abstractions and concepts developed in the Reference Model for Open Distributed Processing (ITU-T Rec. X.902 | ISO/IEC 10746-2 and ITU-T Rec. X.903 | ISO/IEC 10746-3).

This Recommendation | International Standard defines how interactions between computational objects in a computational specification of a system relate to protocol support for those interactions in an engineering specification of that system. In particular it:

  • defines a General Interworking Framework (GIF);

  • within the GIF, defines a set of facilities each comprising a set of functionally-related service primitives as abstract definitions of the interactions of basic engineering objects and channel objects;

  • defines the parameters of the service primitives of the GIF;

  • defines the permitted sequence of the service primitives by means of state tables;

  • specifies, in annexes, the mapping of the GIF service primitives and their parameters to the messages and fields of particular protocols.

As specified in this Recommendation | International Standard, the GIF defines protocol support for a pragmatic subset of the possible computational interactions defined in ITU-T Rec. X.903 | ISO/IEC 10746-3. It is also restricted in the features of the protocol support and the supported transparencies.

The GIF, as specified here, defines:

  • support for computational operations, but not for streams;

  • support using stub, binder and protocol objects hierarchically, such that any interaction at the interworking reference point of the supporting protocol object supports liaisons of one of those objects or of the basic engineering object, and any interaction to support those liaisons is passed via that interworking reference point; and

  • interactions at a single interworking reference point, from the perspective of one side; interceptors are not explicitly considered;

NOTE 1 - It is intended that the GIF could be extended, in a future amendment, to support streams and flows. The present specification is restricted to areas that are technically stable.

The GIF supports at least some forms of:

  • access transparency; and

  • location transparency.

The GIF as specified here also supports a limited equivalent of relocation transparency. Other transparencies are not addressed in this present specification.

NOTE 2 - It is intended that the GIF could be extended, in future amendments, to support additional transparencies.

The GIF does not explicitly model Quality of Service requirements.

The application of security-related issues to the GIF are not included in the current text and are for further study.

The set of mappings to particular protocols specified in annexes to this Recommendation | International Standard is not exhaustive. The GIF could be mapped to other protocols.

NOTE 3 - In particular, a mapping to the DCOM protocol family would be a candidate for an additional annex.

Committee
IST/15
DocumentType
Standard
Pages
38
PublisherName
British Standards Institution
Status
Current

Standards Relationship
ISO/IEC 14752:2000 Identical

ISO/IEC 14753:1999 Information technology — Open Distributed Processing — Interface references and binding
ISO/IEC 10731:1994 Information technology Open Systems Interconnection Basic Reference Model Conventions for the definition of OSI services
ISO/IEC 10746-3:2009 Information technology Open distributed processing Reference model: Architecture Part 3:
ISO/IEC 14750:1999 Information technology Open Distributed Processing Interface Definition Language
ISO/IEC 10746-2:2009 Information technology Open distributed processing Reference model: Foundations Part 2:

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