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.. contents::
   :depth: 3
..

Performance
===========

Performance Monitoring values measured by the devices are necessary to
analyze and optimize the network. Therefore the application
automatically retrieves all historical performance values from the
devices and stores them in a database. The client retrieves the values
from the database and displays them in a graphical user interface.

Performance history values
--------------------------

After selecting a connected PNF supporting ONF-TR-532 and a physical
interface, the application collects the received and centralized stored
performance values for this interface. The data gets displayed as a line
chart to visualize the data in a given time period and a corresponding
table. If the table gets filtered, the chart updates itself.