这个是目前国际上比较怪异的一种长距离高带宽环境下的拥塞控制算法，优点是除了吞吐量之外什么都好，缺点是吞吐量太低-this is the strange world of a relatively long-distance high-bandwidth environment congestion control algorithm, Apart from the advantages of throughput beyond what is good, the drawback is too