第一步：了解CARSI项目、CARSI IdP和SP。
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相关文档参见：https://www.carsi.edu.cn、/wiki/spaces/CAR/pages/4423620 和 /wiki/spaces/CAR/pages/1867722CARSI基本概念 和 CARSI介绍文档。
Please refer to: https://www.carsi.edu.cn, /wiki/spaces/CAR/pages/4423620 and /wiki/spaces/CAR/pages/1867722CARSI基本概念 and CARSI介绍文档。
第二步：通过https://www.carsi.edu.cn/join_zh.htm，在线提交加入申请。
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This is the only way to join CARSI. Before applying online. 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.
第三步：仔细阅读”SP会员申请表&承诺书“及相关材料，确认无误后，打印申请成功邮件的附件pdf，签字盖章后，按照邮件提示，邮寄纸质申请材料。
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CARSI will review and approve your membership request once all the materials are received. At the current stage, CARSI only accepts the requests from applications serving Education and Research.
第四步：收到审核通过邮件后，开始SP接入技术调试。
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Before joining CARSI, this SP has already joined eduGAIN. CARSI will retrieve the metadata from eduGAIN, you need to add a SP in CARSI Online Helpdesk, providing SP name, description, service address, SP EntityID which can be located in eduGAIN metadata feed. Please refer to to 1. eduGAIN SP接入(Joining CARSI for eduGAIN SP) for details.
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