Today it is widely accepted that it is not enough to only measure IT system components individually when measuring service availability. For example, a traditional approach assumes that if the network, server, application are all available 99.9 percent, the related transactions are working. However, this is not the reality.
The best approach according to experts must include an end user vision of service availability. Thus ip-label end-user experience monitoring solutions focus upon this approach and take it one step further by providing a high level vision of availability and performance