On 25/11/2020 10:54, Dominique Devienne via Boost-users wrote: > Hi. I'm writing a small interaction between: > 1) a Boost.Beast-based HTTP server (based on http_server_async.cpp example) > 2) a Boost.Beast-based HTTP client (based on http_client_sync.cpp example) > > When I log the time it takes to resolve the server address and connect > to it, then issue my HTTP request, it takes over 1 second (Win10, > VS2019, C++17, Release, localhost for both client and server): > > 2020-11-25T09:46:37.473936 Prologue in 0.001s > 2020-11-25T09:46:37.482470 Resolved in 0.008s > 2020-11-25T09:46:38.506180 Connected in 1.023s > 2020-11-25T09:46:38.509607 OK: Authenticated; in 0.003s > > While the same on Linux (RH7.5) is just over 2ms: > > 2020-11-25T09:45:45.515926 Prologue in 0.000s > 2020-11-25T09:45:45.517083 Resolved in 0.001s > 2020-11-25T09:45:45.517550 Connected in 0.000s > 2020-11-25T09:45:45.518010 OK: Authenticated; in 0.000s > > That's a huge difference! Almost 500x...
I can confirm that from libcurl wrapping ASIO, initiating a new HTTPS connection takes almost the same time whether from Linux or Windows. It's a lot faster than one second as well. Is it possible that Windows is trying IPv6 first, but there is no IPv6 route? Niall _______________________________________________ Boost-users mailing list Boost-users@lists.boost.org https://lists.boost.org/mailman/listinfo.cgi/boost-users