definitions:\n1 - you have large pool of machines 10K in different countries\n2 - pick machine in round robin order \n3 - machine can go down and should not be retrived in 12 hours\n4 - write web application (backend) that supports the following APIs: GetMachine|GET - returns IP adddress of the selected machine and POST|ReportError(ip address) - marks machine X with ip address as invalid for 12 hours\n\n\n\n

definitions:\n1 - you have large pool of machines 10K in different countries\n2 - pick machine in round robin order \n3 - machine can go down and should not be 