Clarify the relationship between R-23740 and R-98391. R-23740 requires VNFs to enforce least privilege, R-98391 dictates that it is done using RBAC.

R-23740

The VNF MUST implement and enforce the principle of least privilege on all protected interfaces.

R-98391

The VNF MUST, if not integrated with the Operator’s Identity and Access Management system, support Role-Based Access Control to enforce least privilege.