为何豆瓣的构架在 Nginx 之前还要用 LVS 做负载均衡？

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http://www.infoq.com/cn/articles/douban-infrastructure-2014
http://cdn1.infoqstatic.com/resource/articles/douban-infrastructure-2014/zh/resources/0324030.png

有点搞不明白，为何nginx之前还要用LVS做负载均衡？直接用nginx实现负载均衡有什么缺点吗？
或者硬件路由防火墙之类的都要比LVS强壮吧

4 replies • 2014-12-06 13:09:21 +08:00

feilaoda

Dec 6, 2014

你也太看得起nginx了

zts1993

Dec 6, 2014

文中不是说了么LVS做HA

硬件均衡负载不要花钱么

tanyuxiang

Dec 6, 2014

好像没见过nginx做大站负载均衡的

yakczh

Dec 6, 2014

邮政送东西，在邮局分拣和到你家门口再分拣哪个效率高？