【摘要】 分析了在计算网格中用户管理要解决的问题，描述了用户分类和用户权限限制，提出了一个统一的用户管理系统，并且详细论述了用户管理的一些关键技术实现，包括用户管理流程、记账机制、标识协议设计和访问远程集群几方面，并已在研制的计算网格JobCenter-Grid中加以实现。更多还原

【Abstract】 This paper analyzes the problem of user management in computational grid, describes user classification and the limitation of user right, and devises a uniform user management system. Then the paper discusses the key technology, including user management flow, accounting, identity protocol and access to the remote cluster, which have been successfully applied to the computational grid - JobCenter-Grid.更多还原