Special data relay system for future Chinese space station is given as a Two-Station-System constellation example.

以服务于未来我国空间站的专用数据中继系统为例，进行双基站星座设计。

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We also design the anycast routing and data transmission mechanisms for the anycast relay routing system, which improves the efficiency and reliability of relay routing.

设计基于泛播的中继路由系统的路由维护和数据传输机制，提高中继路由的可靠性和路由效率。

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The construction solution for Softswitch and subscriber data center, relay gateway and signaling gateway, as well as billing system are also given.

同时对软交换、用户数据中心设置方案，中继网关、信令网关建设方案，计费采集系统建设方案等进行了设计。

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Both spacecraft make use of the US space agency's Tracking and Data Relay Satellite System (TDRSS) to speak to the ground and controllers do not want any conflicts.

BBC: Total cargo: 4,860kg