一种适用于宽带卫星网络的TCP增强方案  

A TCP enhanced scheme for broadband satellite networks

作　　者：王凯东[1] 易克初[2] 田斌[2] 

机构地区：[1]西安电子科技大学计算机学院,陕西西安710071 [2]西安电子科技大学综合业务网与关键技术国家重点实验室,陕西西安710071

出　　处：《西安电子科技大学学报》2005年第5期675-680,共6页Journal of Xidian University

基　　金：国家自然科学基金资助项目(60172029);空间微波技术重点实验室基金资助项目(514730201)

摘　　要：提出了在RTT内均匀发送TCP分组流的改进方案TCP-regu lar.通过仿真可看出TCP-regu lar避免TCP分组流突发传输给宽带卫星网络整体造成冲击,减少了中间结点进入拥塞状态的可能性,有效提高了宽带卫星网络整体性能和顽健性.When a TCP stream goes through a broadband satellite network with a large bandwidth-delay product, the congestion window of the TCP stream is usually big so that there are lots of strongly bursty traffic on the network, which makes the intermediate nodes in the network so easily into the congested state, thus having a negative impact on overall network efficiency. This paper analyses the ease and proposes an improved scheme： TCP-regular, so that TCP packets are sent not in burst but in regular over an entire round-trip time. Simulation shows that TCP-regular effectively enhances the overall efficiency and robustness of the broadband satellite networks.

关 键 词：TCP 宽带卫星网络 带宽时延积 

分 类 号：TP393.4[自动化与计算机技术—计算机应用技术]