Scenario 1: Make More Informed Infrastructure Investments
When a large, global organization wanted to rollout a PeopleSoft application to new sites, the application group needed to assess infrastructure capacity and make sure it could support a likely increase in usage. They expected a 25% increase in usage and recommended server and WAN interface upgrades to support additional users. Estimated cost: $175,000.
But before seeking approval for the expenditure, they used NetQoS Performance Center to analyze the performance of the existing application servers and make sure they were already operating close to capacity. Here's how the NetQoS Performance Center helped:
1) The Performance by Server view showed response time data for the organization's PeopleSoft servers, indicating problems with an application-tier (App Tier) server.
2)
An engineer viewed Response Time by Server for the PeopleSoft server group. This view showed the application-tier server already had an average daily response time that exceeded 2 seconds.
3) To investigate, the engineer drilled into network interface utilization data for all interfaces that would be impacted by the rollout. Utilization was low on all of them.
4) The Stacked Protocol Trend view showed that the HTTP and FTP protocols were using a significant amount of the available bandwidth and were probably causing the slow response times.
Resolution
Based on this data, the group determined that the application-tier server was the only component that needed an upgrade. The WAN interface upgrades were avoided, saving nearly $175,000.
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