Project background: currently, there are a few data server (assuming that a/b/c/d/e) server, each server in a specific directory on every 1 minute to generate a CSV file, I need on each server written in python program every minute to monitor files are generated, if it is found that did not generate data, then sends a message to the other a single central server (assuming that a server), a server email immediately after receiving the message, and will be the missing file server IP address and the full path to the location of the display to the page, could you tell me how to implement this architecture? Such as a/b/c/d/e to send a message to a server how to do? A how to receive messages on the server? Receives the message and then interface shows how to use?