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+ + 6.2 + Network Management 
  + 6.2.1 + Introduction + to network management  
+ + + + + + +
+ + As a network evolves and grows, it becomes + a more critical and indispensable resource to the organization. + As more + network resources are available to users, the network becomes more + complex, and maintaining the network becomes more complicated. Loss of + network resources and poor performance are results of increased + complexity and are not acceptable to the users. + The + network administrator must actively manage the network, diagnose + problems, prevent situations from occurring, and provide the best + performance of the network for the users. At some point, networks + become too large to manage without automated network management tools.

+ + Network Management includes:

+
    +
  • + + Monitoring network availability
    • +
  • + + Improved automation
    • +
  • + + Monitoring response time
    • +
  • + + Security features
    • +
  • + + Traffic rerouting
    • +
  • + + Restoration capability
    • +
  • + + User registration
    • +
+

+ + The driving forces behind network + management are shown in Figure + and + explained below:

+
    +
  • + + Controlling corporate assets – If + network resources are not effectively controlled, they will not + provide the results that management requires.
    • +
  • + + Controlling complexity – With + massive growth in the number of network components, users, interfaces, + protocols, and vendors, loss of control of the network and its + resources threatens management.
    • +
  • + + Improved service – Users expect + the same or improved service as the network grows and the resources + become more distributed.
    • +
  • + + Balancing various needs – Users + must be provided with various applications at a given level of + support, with specific requirements in the areas of performance, + availability, and security.
    • +
  • + + Reducing downtime – Ensure high + availability of resources by proper redundant design.
    • +
  • + + Controlling costs – Monitor and + control resource utilization so that user needs can be satisfied at + a reasonable cost.
    • +  
+

Some basic network management terms are introduced in Figure + .

+ + + + + +
+ + + + + +
+ +
+ + + + + +
+ + + + + +
  +

+ + + Interactive Media Activity

+ +

Drag and Drop: Network Management Terminology

+

When the student has completed this activity, the student + will be able to identify the terminology used in Network + Management.

+ +

+
+
+ + +

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