H3COAA之WAN优化技术白皮书目录目录.......................................................................41.概述......................................................................51.1背景.................................................................51.2广域网优化简介.......................................................52.广域网优化原理介绍........................................................62.1数据压缩原理介绍.....................................................62.2缓存原理.............................................................72.2.1基本原理.......................................................72.2.2数据块缓存原理.................................................72.3TCP加速原理介绍......................................................82.3.1窗口大小通告与滑动窗口.........................................92.3.2慢启动.........................................................92.3.3拥塞避免.......................................................92.3.4窗口调节技术..................................................112.3.5选择性确认....................................................112.3.6SplitTCP.....................................................112.4QoS原理介绍.........................................................122.4.1模型..........................................................122.4.2QoS技术介绍...................................................133.解决方案主要模块介绍.....................................................143.1多业务路由器MSR.....................................................143.2WAAM模块............................................................143.2.1数据压缩......................................................153.2.2应用加速......................................................193.2.3TCP加速.......................................................213.2.4基于应用的QoS技术.............................................213.2.5ACFP协议......................................................224.参考案例.................................................................25目录图1数据压缩原理.............................................................7图2同类数据压缩原理.........................................................8图3基于块的数据缓存.........................................................9图4字节级数据缓存...........................................................9图5拥塞避免与慢启动........................................................11图6SplitTCP...............................................................13图7IPComp和RTM压缩模式....................................................16图8VDA算法.................................................................17图9SC算法..................................................................18图10APC算法................................................................18图11压缩过程1..............................................................19图12压缩过程2..............................................................19图13HTTP/FTP应用加速.......................................................20图14DNS应用加速............................................................21图15Citrix应用加速.........................................................21图16语音应用加速...........................................................22图17OAA体系结构示意图...............................................
