# Summary

- ## IT must become more service focused

  - Usually implemented in phases (reactive, proactive, optimization, guaranteed services)

- ## New IT requires understanding of network device behavior and how network traffic flows through the infrastructure

- ## SNMP-based network managers provide device visibility but are hard pressed to provide insight to how the network is operating

- ## RMON-based solutions provide usage and traffic flow visibility

- ## NNM and NetMetrix together provide solid solution

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