1. A method performed using one or more computing devices, the method comprising: obtaining first performance data reflecting performance by first networking components of a first classification; based at least on the first performance data, determining a first expected service level of a first redundant configuration of the first networking components, the first expected service level reflecting the extent to which failures by individual first networking components in the first redundant configuration are correlated; obtaining second performance data reflecting performance by second networking components of a second classification; based at least on the second performance data, determining a second expected service level of a second redundant configuration of the second networking components, the second expected service level reflecting the extent to which failures by individual second networking components in the second redundant configuration are correlated; providing an evaluation of the first redundant configuration and the second redundant configuration, the evaluation being based at least on first expected service level and the second expected service level; and configuring network traffic based at least on the evaluation.