Security Access Control Scheme for the Web Service based on Property;

The characteristics of private data exchange, varieties of user types, access authorization and authentication variation with market rules in electricity market demand flexibility and rigidity of security access control in electricity market operation system, which supports the operation of electricity market.

The paper, based on the perspective of database security, discussed the secure access mechanism and data backup protection mechanism of Oracle8i, as well as key issues in application.

A prototype for virtual disk s secure access and real-time monitor is designed and implemented.

In order to reduce the inconvenience of maintainability and reusability of web application system based on MVC,which is brought by the code of access security and coupling tightly with other modules,A web system development model based on access security MVC is put forward.

Based on the analysis of networked distribution systems features, it puts forward an access security MVC developing mode for networked distribution system which can prominently improve the reusability and the maintainability of the system.

In light of the practical construction of Wuhan Power SCADA System,the article analyses and investigates the secure interconnection strategy about the power SCADA real-time system and other systems,which mainly consist of MIS system.