ISO/IEC 10164-20:1999
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The latest, up-to-date edition.
Information technology Open Systems Interconnection Systems Management: Time management function Part 20:
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
10-06-1999
This Recommendation | International Standard defines a Systems Management Function that may be used by an application process in a centralized or decentralized management environment to interact for the purpose of systems management, as defined by ITU-T Rec. X.200 | ISO/IEC 7498-1.
This Recommendation | International Standard defines a function which consists of generic definitions, services, and functional units. This function is positioned in the application layer of ITU-T Rec.X.200 | ISO/IEC 7498-1 and is defined according to the model provided by ISO 9545.
The role of systems management functions is described by CCITT Rec. X.701 | ISO /IEC 10040.
This Recommendation | International Standard:
defines a service for the management of clocks for use by OSI management and available for use by OSI
applications and others;
establishes user requirements for this Recommendation | International Standard;
establishes a time management function model, addressing the components of a generic time service involving communication between systems, that relates the service and generic definitions provided by this function to the user requirements;
defines generic object classes, attribute types, operation types, notification types, and parameters documented in accordance with CCITT Rec. X.722 | ISO/IEC 10165-4;
specifies compliance requirements placed on other standards that make use of these generic definitions;
defines the services provided by the function;
specifies the management protocol that is necessary in order to provide the services;
defines the relationship between these services and systems management operations and notifications;
specifies the abstract syntax necessary to identify and negotiate the function unit in the protocol;
defines relationships with other systems management functions;
specifies conformance requirements to be met by implementation of this Recommendation | International Standard;
identifies time synchronization protocols.
This Recommendation | International Standard does not:
address the provision of time information within a local system;
define the nature of any implementation intended to provide the Time Management Function;
specify the manner in which management is accomplished by the user of the Time Management Function;
define the nature of any interaction which results in the use of the Time Management Function;
specify the services necessary for the establishment, use, and normal or abnormal release of a management association.
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