Telecom Network Management 101

Published: January 2007
Pages:
213
Author: P.J. Louis


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Overview

This publication provides the reader with a great overview of telecommunications network management with an emphasis on very important topics including OSS management, service management, network monitoring and trouble shooting. It includes real world lessons about what works and doesn’t work from an expert in the field, PJ Louis.

Target Audience

  • Network operations personnel
  • Engineering and translations personnel
  • Product management personnel
  • Managers and Directors tasked with OSS responsibilities
  • Anyone that is involved in OSS/BSS decision making

Table of Contents


Dedications
Acknowledgments
Telecommunications Network Management 101
A Troubleshooter’s Guide
Introduction
Chapter 1: Overview of a Network and a Network Management System
Network Components
Switches/Routers/Servers
Database
Transmission Facilities
Subscriber Billing Systems
Customer Care and Provisioning
Network Management Systems
Introduction to Operational Support Systems and Services
Information Mediation
Call Detail Records and Subscriber Billing/Network Transaction Detail Records
Network Management
Understanding the Network Management System’s Basic Components
Network Element Management
Network Systems Management
Service Management
The PUZZLE: Areas of Management
Chapter 2: Network Management Architectures
Network Management Activity Layers
The Network Management Planar Model
Monitoring
Control
Network Element Management
Network Systems Management
Service Management
Coordination of Resources
TMN and the Customer Management Layer
Customer Care
Fraud Management
Network Management Architectural Configuration
Approaches.
Network Centric
Customer Centric
Service Centric
Approaches Preference
Chapter 3: Maintenance, Testing, and Trouble Shooting
Outsourcing
Maintenance
Maintenance Standards
Testing
Types of Testing
Acceptance Test
Trouble Shooting/Repair
Define The Trouble
Develop Theories Behind The Cause Of The Trouble
Hardware Troubles
Software Troubles
Isolate The Cause Of The Trouble By Investigating The Theories
Fix/Correct The Trouble
Basic Tool Rules
Basic Rules for Repairing
Document The Trouble, The Cause, and The Solution
Hardware Trouble War Story
Software Trouble War Story
Chapter 4: Structure and Presentation of Management Information
Basic Information - What You Need To Know First
Information Presentation
Second Level of Information
Assess and Repair
Chapter 5: Network Management Philosophy and Processes
Knowing Your Network
Big Picture
The Details Behind the Big Picture
Knowing Non-Network Information
Management Processes
Training
Basic Operating/Performance/Metric Information
Mean Time Between Failure (MBTF)
Mean Time To Repair (MTTR)
Mean Time To Service Restoration (MTTSR)
Availability
Side Note: Reliability
Philosophy
Chapter 6: Crisis Time
Crisis Questions 1:
Crisis Questions 2:
Solution To A Trouble Caused By The Carrier
Key Thing to Remember:
Key Thing To Remember For The Future:
What To Do:
What To Do When You Encounter Operational Problems With New Technology
Solution To A Trouble Caused By The Customer
What To Do:
Key Things To Remember:
Call Lists:
Typical Call List:
Chapter 7: TDM Wireline Networks - Typical Troubles and Resolution Process.
Customer Reported Troubles.
Things To Do:
Things To Do:
Customer Reported Troubles - Static and Noise.
Things To Do:
Things To Do:
Customer Reported Troubles - Dead Line.
Things To Do:
Customer Reported Troubles - Customer Premise Equipment
Network Reported Troubles.
Network Reported Troubles - Temperature.
Things To Do:
Network Reported Troubles- Network Connectivity
Things To Do:
Network Reported Troubles - Routing Table Errors.
Things To Do:
Network Reported Troubles - Customer Profile Errors.
Things To Do:
Network Reported Troubles - Self-Inflicted Circuit Provisioning Errors.
Quality of Service Troubles To Look For: The Most Common Reported
Attenuation.
Phase Distortion.
Noise.
Crosstalk.
Chapter 8: Internet Protocol Based Network Troubles.
Customer Reported Troubles.
Things To Do:
Things To Do:
Network Reported Troubles.
Network Reported Troubles - Temperature.
Things To Do:
Network Reported Troubles- Network Connectivity
Things To Do:
Network Reported Troubles - Routing Table Errors.
Things To Do:
Network Reported Troubles - Customer Profile Errors.
Things To Do:
Network Reported Troubles - Self-Inflicted Circuit Provisioning Errors.
Factors Affecting IP Network Quality of Service In An Interconnected Environment
Quality of Service Troubles To Look For: The Most Common Reported
Packet Delay/Latency.
Fixed Delays.
Things To Do:
Variable Delays.
Things To Do:
Packet Jitter
Things To Do:
VoIP Routing.
Things To Do:
VoIP - Routing Protocols.
Chapter 9: SS7 Routing Troubles.
Architecture.
Things To Remember
Typical Troubles.
Things To Do
Message Discrimination.
Message Distribution.
Routing.
Things To Do.
Chapter 10: Bandwidth Reference.
Digital Transmission Rates.
Optical Transmission Rates.
Dense Wave Division Multiplexing (DWDM) Rates Table.
X Digital Subscriber Line (xDSL)
High data rate Digital Subscriber Line (HDSL)
Very high data rate Digital Subscriber Line (VDSL)
ISDN Digital Subscriber Line (IDSL)
Single Digital Subscriber Line (S-DSL)
Symmetric Digital Subscriber Line (SDSL)
Asymmetric Digital Subscriber Line (ADSL)
Rate Adaptive Digital Subscriber Line (RADSL)
Chapter 11: Internet Protocol Routing References and Troubles.
Datagram Processing.
Things To Do - Router Examine.
Things To Do - Host Examine.
Routing Protocols.
RIP (Routing Information Protocol)
Open Shortest Path First (OSPF)
Border Gateway Protocol (BGP)
The Network Manager and BGP Messages.
Chapter 12: Transmission Notes.
Non-Digital Loop Noise Factors.
Transmission Loss - Analog.
Transmission Level Point
Reference Level
Inserted Connection Loss.
Expected Measured Loss.
Actual Measured Loss.
Transmission Loss - Digital.
Digital Milliwatt
Digital Reference Signal
Digital Pads.
Encoders.
Decoders.
Equivalent Power Level
Chapter 13: Generic Test Plan Template.
Connectivity
Connection Test
Data Integrity Test
Loop Back Test
Protocol Integrity Test
Interoperability Test
Feature Test
OSS Test
Test Summary
Chapter 14: Converged Technology.
Converged Technology Testing Tips.
Annex A: Testing On A Budget
Annex B: Acronyms, Definitions & Terminology.


About the Author

P.J. Louis has over a quarter of a century's worth of experience in the telecom business. Mr. Louis is currently developing businesses in Asia and in the United States. Prior positions include Managing Director for Telecom Business Recovery in FTI Financial Consulting and PricewaterhouseCoopers, Vice President of Carrier Marketing & Product Management at TruePosition, Inc., a leading provider of wireless location services. Mr. Louis had also served as chief of staff for engineering in NYNEX (today known as Verizon). He has held a number of leadership positions within Bell Communications Research and NextWave Wireless. Mr. Louis is a former officer of the Institute of Electrical and Electronics Engineers (IEEE) Communications Society - New York Section. Mr. Louis has been a senior member of IEEE for 26 years. Mr. Louis' experience includes leading sales and marketing organizations as well as technology organizations. Mr. Louis has been a featured speaker in telecommunications conferences and is the author of four (4) McGraw-Hill books; Telecom Management Crash Course, M-Commerce Crash Course, Broadband Crash Course, and Telecommunications Internetworking.

PJLouis@MindCommerce.com

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