Managing a Network Environment

Jian Ren, Michigan State University

Introduction

OSI Network Management Model

Network Management Layers

ISO Network Management Functions

Configuration Management

Fault Management

Security Management

Accounting Management

Performance Management

Network Management Protocols

SNMP

SNMPv2

SNMPv3

Remote Network Monitoring (RMON)

Policy-Based Network Management; Solutions for the Next Generation

What Is a Policy?

Benefits of PBNM

Architecture of a PBNM System

Conclusion

Glossary

Cross References

References

INTRODUCTION

Network management, in general, is a service that employs a variety of protocols, tools, applications, and devices to assist human network managers in monitoring and controlling the proper network resources, both hardware and software, to address service needs and the networks objectives.

When transmission control protocol/Internet protocol (TCP/IP) was developed, little thought was given to network management. Prior to the 1980s, the practice of network management was largely proprietary because of the high development cost. The rapid development in the 1980s of larger and more complex networks caused a significant diffusion of network management technologies. The starting point in providing specific network management tools was November 1987, when the simple gateway monitoring protocol (SGMP) was issued. In early 1988, the Internet Architecture Board (IAB) approved simple network management protocol (SNMP) as a short-term solution for network ...

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