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Fundamentals of EMS, NMS and OSS/BSS by Jithesh Sathyan

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Chapter 12

NMS Functions

This chapter is intended to provide the reader with a basic understanding about the functions available in a network management system (NMS). At the end of this chapter you will have a good understanding of the categories under which network functions can be grouped in the eTOM (enhanced telecom operations map) model. This would include a discussion of the categories and how it maps to actual functions in the NMS.

12.1 Introduction

The TMF (TeleManagement Forum) expanded the network and service management layers in the TMN model to have more detailed mapping of the telecom operations and created the TOM model. Later the TOM model was revised by TMF to have three main sections: SIP (strategy, infrastructure, and product), ...

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