Improvement and application of access control mode based on RBAC

A new access authorization mode was established based on the analysis of access of existing access authorization control system,in which user A can authorize directly user B within his available authorization set,as well as set a time of validity,during which user B own user A's access authorization.This scheme combined static authority allotment with dynamic access authorization,solving the restriction of traditional authority management system.The improved scheme had been well applied in actual projects,getting good effect.