Every company has applications that are considered business-critical that need to be performing at their best at all times. Analysing the performance of networked applications is a common task faced by network administrators. Often the root cause of the poor performance an application is not understood, and a common response is to undertake an expensive, often unnecessary upgrade of network capacity.
The Exinda appliance can monitor several properties of the TCP flows of an application and collect metrics. These metrics are compared to an established threshold and given a score between one and ten, known as the Application Performance Score (APS). The appliance can also monitor a single metric value within TCP flows for a specified application, known as Application Performance Metrics (APM).
IT departments use the Application Performance Score (APS) to determine what is performing well, and what is not. APS and APM have thresholds that identify acceptable performance levels for the applications. When the metric values cross the configured threshold, notifications are sent alerting the necessary users so they can review the issue and make the necessary modifications to allow the applications to perform within the threshold level.
Application Performance Score reports can be easily communicated to senior management and to users to help explain how the applications are performing. The reports can also be used to diagnose and determine where issues are in the network. For each APS score, the results for the metrics can identify the specific area within the network that is affecting the performance of the application, for instance server delays, network delays, or jitter. This makes it easier to fix any network issues and get the application back to optimum performance levels.
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