This system is working under our dynamic backup policy, and it can set up or off satellite channel automatically in order to improve the reliability of CERNET backbone and economize the satellite communication resource at the same time.

• 该系统实施卫星信道动态备份策略，能够自动及时的建立或释放卫星备份信道，从而提高CERNET主干网络的可靠性，同时优化利用卫星通信资源。