Role-based Control Of Scalable Enterprise Information Portal

Nowadays, 'The network is a computer', the informatization of enterprise is used and developed into present network application from the original unit. With the informationalized development, enterprise or the unit often have one or several different application systems. How stand up these systems integration comprehensive utilization become the inevitable choice of enterprise's development.EIP is the important of component enterprise's system integration. It passes the only entry, the enterprise staff, such relevant personnel of enterprises as retail trader, acting as agent, supplier, cooperative partner, etc. offer individualized information, knowledge, service and application according to their role and authority.This paper researches mainly for some following aspects:Firstly, study and research the information door of existing enterprise, combined with the survey of existing enterprise's actual condition of our country, to educe the actual demand to the information door of the enterprise of our country.Secondly, impenetrate into researching the most important part of access control of EIP. RBAC uses roles to be assigned, make the management, control of the access control simpler. I improve RBAC model, uses domain and grade of permission to decrease the operation of access control system, uses client's session to improve the efficiency of access control.Finally, design and implement of the EIP. The most important one of EIP is extensible, here we use development of PortalPart to increase the function of the information door constantly, in order to accommodate different users' demand. Combined other systems with this door get through Web Service.The function of EIP is service, application and integration. The EIP, which has a security efficiency access control system, a simple architecture and flexible PortalParts, can do all most things of enterprise requiring.