Computer and Modernization ›› 2013, Vol. 1 ›› Issue (7): 59-061.doi: 10.3969/j.issn.1006-2475.2013.07.015

• 算法设计与分析 • Previous Articles     Next Articles

Research on Concurrent Priority in Usage Control System

LEI Yin-xiang1, LI Pei-wu2   

  1. 1. School of Information Engineering, Nanchang Hangkong University, Nanchang 330063, China； 2.Scientific Research Department, Nanchang Institute of Technology, Nanchang 330099, China
  • Received:2013-02-26 Revised:1900-01-01 Online:2013-07-17 Published:2013-07-17

Abstract: There are two important characteristics in usage control: mutability of attributes and access decision continuity. In order to ensure data consistency, when a lot of subjects access to and change the attributes of one object at the same time, only one subject has the right to change the properties of the object. However, there is one problem exist, that is, who comes first as many subjects apply to change the properties of the object. Aiming at the question, the paper proposes a strategy, which brings sequential access when multiple subjects’ concurrent access to object and it meets the needs of customers.

Key words: UCON, priority, concurrent access, attribute judgment