Now, in most cases, NetScaler is used as a central component to deliver high availability services to users, both internally and externally. This means that NetScaler, in most cases, handles a large amount of traffic, which might make it difficult to analyze directly using a trace file.
What happens if a user complains about the slow performance of an application, or that something is running sluggishly? Or if we want to get an overview of the number of users accessing our services? This is where AppFlow comes in. A quick introduction to deployment is supplied in Chapter 3, Integration with Citrix ® Components.
AppFlow is a feature in NetScaler that is used to collect web performance data and also database information. It can also be used to gather performance from ICA sessions. It is built upon the IPFIX format, which is an open standard defined in RFC 5101.
As an example, see the following screenshot. When a client opens a connection...