how do you use queuing theory 
queuing theory is used to identify and correct points of congestion in a process the queue may consist of people things or information in any case they are being forced to wait for service that is inefficient bad for business and annoying when the queue consists of people queuing theory is used to analyze the existing process and map out alternatives with a better result who invented queuing theory agner krarup erlang a danish mathematician statistician and engineer is credited with creating not only queuing theory but the entire field of telephone traffic engineering in the early 20th century erlang was head of a technical laboratory at the copenhagen telephone co his extensive studies of wait time in automated telephone services and his proposals for more efficient networks were widely adopted by telephone companies 