It’s pretty much a semaphore, except that the author seems to tie it in with a Request Volume Threshold that prevents a number of attempts per time as well as a

It’s pretty much a semaphore, except that the author seems to tie it in with a Request Volume Threshold that prevents a number of attempts per time as well as a total number here, which is interesting to me where I have an application that will go from phone app to server and hadn’t considered the difference. That 10 connections is different from 10 instant connections.