Fundamentals of EMS, NMS and OSS/BSS: 1st Edition (Hardback) book cover

Fundamentals of EMS, NMS and OSS/BSS

1st Edition

By Jithesh Sathyan

Auerbach Publications

592 pages | 153 B/W Illus.

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Hardback: 9781420085730
pub: 2010-06-23
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In this era where data and voice services are available at a push of a button, service providers have virtually limitless options for reaching their customers with value-added services. The changes in services and underlying networks that this always-on culture creates make it essential for service providers to understand the evolving business logic and appropriate support systems for service delivery, billing, and revenue assurance.

Supplying an end-to-end understanding of telecom management layers, Fundamentals of EMS, NMS and OSS/BSS is a complete guide to telecom resource and service management basics. Divided into four sections: Element Management System, Network Management System, Operation/Business Support Systems, and Implementation Guidelines, the book examines standards, best practices, and the industries developing these systems. Each section starts with basics, details how the system fits into the telecom management framework, and concludes by introducing more complex concepts.

From the initial efforts in managing elements to the latest management standards, the text:

  • Covers the basics of network management, including legacy systems, management protocols, and popular products
  • Deals with OSS/BSS—covering processes, applications, and interfaces in the service/business management layers
  • Includes implementation guidelines for developing customized management solutions

The book includes chapters devoted to popular market products and contains case studies that illustrate real-life implementations as well as the interaction between management layers. Complete with detailed references and lists of web resources to keep you current, this valuable resource supplies you with the fundamental understanding and the tools required to begin developing telecom management solutions tailored to your customer’s needs.


Sathyan (Infosys Technologies Limited) introduces the basic principles of the telecommunication technology resource and service management systems: Element Management System (EMS), Network Management System (NMS), Operation/Business Support Systems (OSS/BSS). He addresses concepts, functionality, applicable protocols, and implementation guidelines and includes extensive references to additional resources.

—In Research Book News,, February 2011

Table of Contents


What is EMS?

TMN Model


EMS Functions

OSI Network Management

Management Protocols

Standardizing Bodies

MTNM compliant EMS 


Communication Networks

Seven layer Communication Model

What is NMS ?

NMS Functions

NMS Products


Information Handling

Management Information Base (MIB)

Next Generation Network Management (NGNM)

XML Based Protocols


What is OSS and BSS?

OSS and BSS functions


Telecom Processes

Management Applications

Information Models

Standard Interfaces


Socket Communication

RPC Programming

Web Communication

Mail Communication

File Handling

Secure Communication

Application Layer

OSS Design Patterns

Report: NGNM framework and Adoption Strategy

About the Author

Jithesh Sathyan is a Technical Architect at Infosys Technologies Limited. He is the sole inventor of the first granted patent of Infosys at the United States Patent and Trademark Office. He has multiple international papers in the telecom domain to his credit, specifically on EMS, NMS and OSS/BSS. He is a gold medalist in Electronics and Communication Engineering.

Sathyan has been working on multiple projects involving design and development of telecom management solutions for a variety of telecom clients in OEM and service provider space. He has multiple filed patents in the telecom domain. Jithesh has published several white papers in standardizing forums like TeleManagement Forum that specializes in defining standards on telecom management. He is an active member of many telecom management standardizing forums. He also contributed a chapter titled,"Role of OSS/BSS in success of IMS" in IMS Handbook: Concepts, Technologies, and Services published by CRC Press.

Subject Categories

BISAC Subject Codes/Headings:
COMPUTERS / Information Technology
COMPUTERS / Networking / General
COMPUTERS / Software Development & Engineering / General
TECHNOLOGY & ENGINEERING / Telecommunications