The Perform template std::async runs the purpose f asynchronously (potentially in a very separate thread which could be considered a Component of a thread pool) and returns a std::future that can inevitably hold the results of that functionality get in touch with. one) Behaves as if (2) is referred to https://alphawireless.com/future-proofing-american-utilities-why-900-mhz-is-critical-for-utility-communications/