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Methods of Handling Errors

All software systems experience errors and exceptions. How might a typical network management system respond to the events described above? In many cases, the human operator may have to intervene and get the problem corrected—a link failure can be caused by an errant digger accidentally cutting a fiber optic cable!

A more sophisticated approach is for the network management system to attempt a fix; for example, rerouting the LSP123 entity along a different path. For congestion, the issue of automatically attempting a fix is problematic. It’s likely that human intervention is required for congestion-related problems.

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