Content for TS 32.331 Word version: 18.0.0

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0 Introduction p. 4

The present document is part of a TS-family covering the 3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Telecommunication management; as identified below:

TS 32.331: "Notification Log (NL) Integration Reference Point (IRP); Requirements".
TS 32.332: "Notification Log (NL) (NL) Integration Reference Point (IRP); Information Service (IS)".
TS 32.336: "Notification Log (NL) Integration Reference Point (IRP): Solution Sets (SS)".

The present document describes the requirements and information model necessary for Telecommunications Management (TM). The TM principles and TM architecture are specified in TS 32.101 and TS 32.102 respectively.

A communications system is composed of a multitude of Network Elements (NE) of various types and, typically, different vendors, which inter-operate in a co-ordinated manner in order to satisfy the network users' communication requirements.

The occurrence of faults in an NE may cause deterioration or loss of this NE's function. Fault Management is the functional area, which allows the operator to detect the occurrence of faults in the network in real-time. Configuration Management and Performance Management are two more functional areas, which require the operator to be alerted to certain conditions in the network.

A standard general-purpose mechanism for the management of Notification Logs containing selected or all notifications from the network is required to provide an ability to perform historical analysis on faults and conditions, which occurred in the network. The TS 32.33x-series constituting the Notification Log IRP, sets forth such a mechanism - and the present document contains the concept and IRP requirements definition.

1 Scope p. 5

The present document specifies overall requirements for Notification Log Management over Itf-N.

Clause 4 provides the Notification Log Management concept for the manipulation of Notification Logs and the retrieval of notifications selected for logging.

Clause 5 of the present document defines the functional requirements for the Notification Log IRP, for the purpose of Notification Log Management, as seen from a Network Manager (NM) though Itf-N. The Itf-N is fully standardized so as to connect systems of any vendor to an NM via this interface.