中文摘要：

通过分析现有单点登录模型中存在的不足,提出了一种新型的多分布式用户单点登录模型。该模型基于SOA的思想,通过服务注册中心将应用服务集成在一起,通过中央认证服务器对用户进行统一认证授权,同时采用基于角色的授权机制将用户和企业中的职务身份联系在一起。通过对该模型的评估证明了模型具有良好的可实施性、管理性、易用性和安全性

英文摘要：

This paper analyzed the shortage of the existing single sign-on system models,and proposed a new distributed multi-user single sign-on model.The model which was based on SOA integrated enterprise applications with service registration center,and used a central authentication server for the unified authorized authentication of the user,and used the role-based authorization mechanism to associate with user and the position in the enterprise.Finally,the paper proves the model has good actionability,manageability,usability and safety through accessing the model