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HP Network Node Manager 9: Getting Started by Marius Vilemaitis

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Chapter 7. Application Failover and High Availability Solutions

For many organizations, network monitoring is a business-critical activity and for such environments network monitoring tools play a very important role. However, no system is protected against crashes or service disruptions caused by system maintenance. Standalone NNMi management servers are not enough for such environments, and more reliable solutions should be designed. There are two main options for improving system performance and availability: designing Application Failover (AF) or High Availability (HA) solutions.

Both of them are designed for improving system availability; but at the same time, which one of these to choose depends on performance requirements and system load ...

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