Portal-based Enterprise Information Integration

The development of enterprise information and the amount of the enterprise's application system make the enterprise need to do information resource integration on its way of information development. This article brings up the way to integrate the enterprise's information based on portal. It provides a completed solution way to integrate the information resource when it develops enterprise's information system.This article discusses the necessary of the integration of enterprise's information, and the background, the status and the goal using portal as the feasible solution. It describes the effort and influence of portal using in enterprise's application and resource integration. Portal is the absolutely necessary part of many system structures facing service (SOA). So it also introduces the relational conceptions and technology of SOA and SCA that aims at SOA. Service-oriented architecture is a component model, which combines appliccation's different function units (they are called services) by the interfaces and contracts that are defined between these services. Service Component Architecture is a new standard for building and packaging application programme. It simplifies the method to create and carry out application programme in SOA for the enterprise.The article demonstrates the portal and relational technology, and the standard of portal, JSR168. JSR-168 is new Java portlet standard for developing portlet. It has provided a uniform interface for portlet development.This article brings up the authorization technology of enterprise's integration of information: Single Sign On. It demenstrates the principle of Single Sign-On and the method of using a third service authentication. It introduces using the Tivoli Access Manager that is used for authentication of enterprise's web, client/server and the existing application porgramme and introduces the configuration method and principle of the third servise authentication tool.And then it introduces the function and system instructure of portal and the enterprise portal's instructure.The paper demonstrates the steps of portal's integration and the...