Oracle Tuxedo System and Application Monitor (TSAM), is an Oracle Tuxedo add-on product. Tuxedo is widely used by enterprises that develop and use in mission-critical applications. It acts as the infrastructure layer in distributed computing environments. The complexity of Tuxedo and the applications running on top of it makes performance measurement extremely complex. Oracle TSAM monitors the major performance sensitive areas of a Tuxedo-supported enterprise computing environment. It can be used to monitor real-time performance bottlenecks and business data fluctuations, determine service models, and provide notification when pre-defined thresholds are violated.