i have a question :
i wrote an application that connected and got data (text, json, xml ...) from a server A(183..) . But some time server A was died .
so i want to set up an program (wrote by node.js) on server B (84....) that cach all of data that getting from server A
example : today i query the server A for url http://xyz.com/1.html
tomorrow server A may be died
so i will query the server B (Node.js) and receive the same result (http://abc.com...)
how can i do ?
thank for help !