服务于教学科研的应用系统，通过https://www.carsi.edu.cn/reg 在线提交CARSI加入申请，选择成为“SP会员”。
Applications serving for education and research, please apply CARSI membership through https://www.carsi.edu.cn/reg , apply to be a SP member。
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1. Please contact 2 CARSI IdP members, a SP member must have 2 full members as the referrer, CARSI needs the confirmations from these 2 IdP members before approving your membership.
2. 请仔细阅读https://www.carsi.edu.cn/join_zh.htm 页文件。
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3.认证测试(Test on pre-production environment)
参考文档IdP4：访问CARSI资源门户（通过浏览器）/wiki/spaces/CAR/pages/111444944，使用联盟提供的测试IdP及其账号，在预上线环境测试SP服务。可根据SP访问控制的需要，测试需要获得的IdP用户属性。（发送邮件到 carsi@pku.edu.cn 获取测试IdP及其账号）。
Refer to IdP4：访问CARSI资源门户（通过浏览器）, use /wiki/spaces/CAR/pages/111444944, use the test IdP and test account provided by CARSI to test this SP on CARSI pre-production environment. Please pay attention to the attributes released by the IdP. ( Send a mail to carsi@pku.edu.cn to apply a test IdP and test account).
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