LVS 归纳
2015-09-11 20:56
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LVS+Keepalived+Nginx+Tomcat的HA(High Availability),HPC(High Performance) 集群:
![](http://dl2.iteye.com/upload/attachment/0111/5576/03278728-e2d4-34aa-bd39-45b07ce0e7ca.png)
![](http://dl2.iteye.com/upload/attachment/0111/5578/efb821b5-9174-3a38-bb71-8c0c5f1c992d.png)
![](http://dl2.iteye.com/upload/attachment/0111/5580/46a3bb00-330e-378e-b95e-2c3fc8a87357.png)
伦理片 http://www.dotdy.com/
LVS 三种模式:
1.LVS-DR(Direct Routing)模式
2.LVS-NAT(Network Address Translation)模式
3.LVS-TUN(IP Tunneling)模式
LVS-DR(Direct Routing)模式:
![](http://dl2.iteye.com/upload/attachment/0111/5584/2869af20-cc2c-3c00-ac75-27e4f598d835.png)
![](http://dl2.iteye.com/upload/attachment/0111/5586/55ea3516-00cf-3df9-800e-a57f8d204d0a.png)
![](http://dl2.iteye.com/upload/attachment/0111/5642/9f6df30f-211c-3e47-b2e6-5396ccae0709.png)
LVS-NAT(Network Address Translation)模式:
![](http://dl2.iteye.com/upload/attachment/0111/5588/ca1d96c4-6eda-34c2-b162-69a48d91f04e.png)
![](http://dl2.iteye.com/upload/attachment/0111/5590/c308e7d9-f00f-30d8-a5c3-098c46ab1cac.png)
![](http://dl2.iteye.com/upload/attachment/0111/5592/6ee3301a-d3af-3ea3-9302-5414c6328616.png)
![](http://dl2.iteye.com/upload/attachmen<br/>c7f0<br/>t/0111/5594/b768ab1d-6289-3c3a-a30b-204cc635dc74.png)
![](http://dl2.iteye.com/upload/attachment/0111/5596/177756e3-7e7e-38d6-982a-df4a64141cc6.png)
LC调度算法:
计算值=活动连接数 * 256 + 非活动连接数
计算值最小的优先调度
WLC调度算法:
计算值=(活动连接数 * 256 + 非活动连接数)/ weight(权重)
计算值最小的优先调度
![](http://dl2.iteye.com/upload/attachment/0111/5598/1cb6248b-80f9-3945-a6f6-4b5c48095738.png)
![](http://dl2.iteye.com/upload/attachment/0111/5600/d9f52162-4357-357d-a1b9-9a2ac1453b7b.png)
![](http://dl2.iteye.com/upload/attachment/0111/5602/545e2326-0571-343e-aae3-d8bbd325b1d0.png)
![](http://dl2.iteye.com/upload/attachment/0111/5604/cc8a9d7b-f4ef-358a-8a25-9730b56f92a5.png)
![](http://dl2.iteye.com/upload/attachment/0111/5576/03278728-e2d4-34aa-bd39-45b07ce0e7ca.png)
![](http://dl2.iteye.com/upload/attachment/0111/5578/efb821b5-9174-3a38-bb71-8c0c5f1c992d.png)
![](http://dl2.iteye.com/upload/attachment/0111/5580/46a3bb00-330e-378e-b95e-2c3fc8a87357.png)
伦理片 http://www.dotdy.com/
LVS 三种模式:
1.LVS-DR(Direct Routing)模式
2.LVS-NAT(Network Address Translation)模式
3.LVS-TUN(IP Tunneling)模式
LVS-DR(Direct Routing)模式:
![](http://dl2.iteye.com/upload/attachment/0111/5584/2869af20-cc2c-3c00-ac75-27e4f598d835.png)
![](http://dl2.iteye.com/upload/attachment/0111/5586/55ea3516-00cf-3df9-800e-a57f8d204d0a.png)
![](http://dl2.iteye.com/upload/attachment/0111/5642/9f6df30f-211c-3e47-b2e6-5396ccae0709.png)
LVS-NAT(Network Address Translation)模式:
![](http://dl2.iteye.com/upload/attachment/0111/5588/ca1d96c4-6eda-34c2-b162-69a48d91f04e.png)
![](http://dl2.iteye.com/upload/attachment/0111/5590/c308e7d9-f00f-30d8-a5c3-098c46ab1cac.png)
![](http://dl2.iteye.com/upload/attachment/0111/5592/6ee3301a-d3af-3ea3-9302-5414c6328616.png)
![](http://dl2.iteye.com/upload/attachmen<br/>c7f0<br/>t/0111/5594/b768ab1d-6289-3c3a-a30b-204cc635dc74.png)
![](http://dl2.iteye.com/upload/attachment/0111/5596/177756e3-7e7e-38d6-982a-df4a64141cc6.png)
LC调度算法:
计算值=活动连接数 * 256 + 非活动连接数
计算值最小的优先调度
WLC调度算法:
计算值=(活动连接数 * 256 + 非活动连接数)/ weight(权重)
计算值最小的优先调度
![](http://dl2.iteye.com/upload/attachment/0111/5598/1cb6248b-80f9-3945-a6f6-4b5c48095738.png)
![](http://dl2.iteye.com/upload/attachment/0111/5600/d9f52162-4357-357d-a1b9-9a2ac1453b7b.png)
![](http://dl2.iteye.com/upload/attachment/0111/5602/545e2326-0571-343e-aae3-d8bbd325b1d0.png)
![](http://dl2.iteye.com/upload/attachment/0111/5604/cc8a9d7b-f4ef-358a-8a25-9730b56f92a5.png)
![](http://dl2.iteye.com/upload/attachment/0111/5655/a065feb5-8da7-3468-8e92-8ac12522c623.png)
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