目录
一．概述 ..........................................................................................................................................2
二．用户需求 ..................................................................................................................................3
2.1 系统总体目标 ........................................................................................................................3
2.2 系统功能需求 ........................................................................................................................3
2.3 系统性能需求 ........................................................................................................................4
2.4 系统安全性需求 ....................................................................................................................4
2.5 可管理性需求 ........................................................................................................................5
三 需求分析 ....................................................................................................................................5
3.1 多链路的负载均衡和冗余 ....................................................................................................5
3.2 服务器负载均衡 ....................................................................................................................6
3.3 系统高可用性 ........................................................................................................................7
3.4 高度的安全性 ........................................................................................................................8
3.5 SSL 加速 ................................................................................................................................8
3.6 系统管理 ................................................................................................................................8
3.7 其它 ........................................................................................................................................9
四．方案设计 ................................................................................................................................10
4.1 网络拓扑图 .........................................................................................................................10
4.2 方案设计描述...............................................................................................................11
4.2.1 方案设计总体描述.....................................................................................................11
4.2.2 链路负载均衡及冗余................................................................................................11
4.2.3 服务器负载均衡及冗余............................................................................................12
4.2.4 设备自身冗余性........................................................................................................12
4.2.5 易于管理性................................................................................................................12
五．关键技术介绍 ........................................................................................................................13
5.1 LinkController 工作原理................................................................................................13
5.2 链路负载均衡算法........................................................................................................14
5.3 服务器负载均衡算法....................................................................................................15
5.4 链路健康检查................................................................................................................17
