单点登录的英文名称为Single Sign-On，简写为SSO，它是一个用户认证的过程，允许用户一次性进行认证之后，就访问系统中不同的应用；而不需要访问每个应用时，都重新输入密码。IBM对SSO有一个形象的解释“单点登录、全网漫游”。-Single sign-on of the English name for the Single Sign-On, abbreviated as SSO, it is a user authentication process that allows the u

Unified authentication has been one of the frequently asked functionality for quite some time now. Users have to remember username/password for various systems or having to login for each system while all those systems are part of the same intranet a