student integral0
After following, you can keep track of his dynamic information in a timely manner
Courses in the relevant section：Large number of website visits
负载均衡 ：把客户机均匀的分配服务器 冗余技术：防止单点故障 把服务器集群中的其中一个激活 其余的 处于休眠状态 服务器不间断服务
2018-10-210个赞
