Before revision:  Balanced fairness is known to be both insensitive and Pareto-efficient in such networks , which ensures that the performance metrics, when computable, will provide robust insights into the real performance of the system considered.
After revision:  Balanced fairness is known to be both insensitive and Pareto-efficient in such systems , which ensures that the performance metrics, when computable, will provide robust insights into the real performance of the system considered.