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实现服务器HTTP重定向达到负载均衡的详细步骤

发布日期:2018-12-10 09:30:01
  当一台服务器的性能达到极限时,我们可以使用服务器集群来提高网站的整体性能。那么在这个过程中,调度者如何合理分配任务,保证所有后端服务器都将性能充分发挥,从而保持服务器集群的整体性能最优,这就是实现服务器HTTP重定向达到负载均衡。

HTTP重定向负载均衡

  1、当用户向服务器发起请求时,请求首先被集群调度者截获;调度者根据某种分配策略,选择一台服务器,并将选中的服务器的IP地址封装在HTTP响应消息头部的Location字段中,并将响应消息的状态码设为302,最后将这个响应消息返回给浏览器

  2、当浏览器收到响应消息后,解析Location字段,并向该URL发起请求,然后指定的服务器处理该用户的请求,最后将结果返回给用户。

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