 DS3 Frame CONTENTS 20.12.2 DS1 Mapping 20.12.3 E1 Mapping 20.12.4 Mapping ATM Cells into SDH 20.12.5 Mapping ATM Cells into SONET Review Exercises References Chapter 21 Network Management What Is Network Management? 21.2 The Bigger Picture Traditional Breakout by Tasks 21.3.1 Fault Management 21.3.2 Configuration Management 21.3.3 Performance Management 21.3.4 Security Management 21.3.5 Accounting Management Survivability - Where Network Management Really 21.4.1 Survivability Enhancement-Rapid Troubleshooting System Depth- - A Network Management Problem 21.5.1 Aids in Network Management Provisioning 21.5.2 Communication Channels for the Network Management System Network Management from a PSTN Perspective 21.6.1 Objectives and Functions 21.6.2 Network Traffic Management Center 21.6.3 Network Traffic Management Principles 21.6.4 Network Traffic Management Functions 21.6.5 Network Traffic Management Controls Network Management Systems in Enterprise Networks 21.7.1 What Are Network Management Systems? 21.7.2 An Introduction to Network Management Protocols 21.7.3 Remote Monitoring (RMON) 21.7.4 SNMP Version 2 21.7.5 SNMP Version 3 (SNMPv.3) 21.7.6 Common Management Information Protocol (CMIP) Telecommunication Management Network (TMN) TMN Functional Architecture 21.9.1 Function Blocks 21.9.2 TMN Functionality 21.9.3 TMN Reference Points 21.10 Network Management in ATM 21.10.1 Interim Local Management Interface (ILMI) Functions 21.10.2 ILMI Service Interface CONTENTS Review Exercises References Appendix A Review of Fundamentals of Electricity with Telecommunication Applications Objective What Is Electricity? A.2.1 Electromotive Force (EMF) and Voltage A.2.2 Resistance Ohm's Law A.3.1 Voltages and Resistances in a Closed Electric Circuit A.3.2 Resistance of Conductors A.4 Resistances in Series and in Parallel, and Kirchhoff's A.4.1 Kirchhoff's First Law A.4.2 Kirchhoff's Second Law A.4.3 Hints on Solving dc Network Problems Electric Power in dc Circuits Introduction to Alternating Current Circuits A.6.1 Magnetism and M