一种适合数据链的TOP拥塞控制策略

传统因特网传输控制协议（TCP）主要针对有线网络设计，无法应对数据链网络中突发干扰、高误码率、拓扑高动态变化引起的拥塞和吞吐率下降等问题。提出一种适合数据链网络的拥塞控制策略，利用主动探测结果来设定拥塞窗口大小，采用反馈机制进行动态拥塞控制，通过网关节点的缓存和转发来实现快速重传。仿真结果表明，与典型拥塞控制机制相比，提出的策略可明显改善数据链网络的传输性能。

A TCP Congestion Control Strategy for Data Link

Conventional Internet TCP （Transmission Control Protocol） is designed principally for wired network, and therefore could not handle the congestion and throughput decline caused by unexpected jamming, high code error and dynamic topology variance, in data link network. Thus a congestion control strategy suitable for data link network is proposed, which sets up the congestion window size with proactive measurement, implements dynamical congestion control with feedback mechanism and realizes fast retransmission by adaptive data cache and relay on gateway nodes. Simulation results indicate that the proposed strategy, as compared with typical congestion control mechanism, could remarkably improve transmisson capability of the data link network.