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Performance
diagnosis determines and isolates the cause of performance problems based on
the analysis of system/network statistics and measurements. Similar to fault
diagnosis, identification of performance root-cause may be involved and require
network/system-wide quality analysis and assessment. For example, it may be easier
to help identify an alternative route in case of congestion, rather than
identify the source for congestion. This service could also be deployed in a
pro-active manner to identify potential performance issues in the future and
perform corrective action such as capacity planning and capacity enhancements.
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