due to the primary server is ddos attack, is now only one server, want to build a mirror server, when once again the main server being attacked, website can normal visit,

Problem of 1 : structures, mirror server, the customer need to use a different url to visit?
Problem of 2 : if the primary server dropped down, the mirror server can work normally, data write and read there will be a problem?
question 3 : two servers enough? If you want to have any other optimization scheme for the perfect solve the situation?
Problem of 4 : at present the primary server is the server in Hong Kong, in order to facilitate user access to overseas, if mirror server is domestic, ali cloud, for example, the primary server is ali cloud server or Hong Kong, what are the advantages and disadvantages,

hope god help, thank you,

CodePudding user response:

You can consult with my blog
http://www.cnblogs.com/dengsir0626/