ITU-T X.754 PDF

This function is an enhancement to the functionality specified in ITU-T X.734 | ISO/IEC 10164-5 and provides the capability for configuring managed systems to be able to retain events in case the connection to the managing system is lost. This function models the retention of event reports and the forwarding of these retained event reports by an aggregate of support managed objects called a disseminator complex. The disseminator complex consists of one disseminator log and at least one disseminator queue managed object instance. Event reports, which cannot be forwarded, due to communications failure conditions may be retained for subsequent transmission. The model for the enhanced event control function is built upon the model for logging defined in ITU-T X.735 | ISO/IEC 10164-6 and the event report management model defined in ITU-T X.734 | ISO/IEC 10164-5. However, the mechanisms and managed objects used to implement this functionality though derived from the above Recommendations are different from those specified there. This model will support forwarding of event reports under both normal (real-time) and failure conditions and may, therefore, be implemented as a sole mechanism as an alternative to the mechanisms specified in ITU-T X.734. However, this function is not a replacement for the functionality specified in ITU-T X.734 and systems not requiring storage of events during failure conditions need only support the simpler functionality specified in ITU-T X.734.

This Recommendation:

– establishes user requirements for the enhanced event control function;

– establishes models that relate the services provided by the function to user requirements;

– defines the services provided by the function;

– specifies the protocol that is necessary in order to provide the services;

– defines the relationship between the services and SMI operations and notifications;

– defines relationships with other systems management functions;

– specifies conformance requirements.

This Recommendation does not:

– define the nature of any implementation intended to provide the enhanced event control function;

– specify the manner in which management is accomplished by the user of the enhanced event control function;

– define the nature of any interactions which result in the use of the enhanced event control function;

– specify the services necessary for the establishment, normal and abnormal release of a management association;

– specify the authorization requirements for the use of the enhanced event control function or for any associated activity;

– define the managed objects related to the management of particular protocol machines.