erlang

Etymology

Named after Danish mathematician and engineer Agner Krarup Erlang (1878–1929).

noun

1. (telecommunications) A dimensionless statistical measure of the volume of telecommunications traffic relative to the capacity of a single channel.
   One erlang (1 Erl) is defined as the amount of traffic generated by the user when he or she uses one traffic channel for one hour (this one hour is usually the busy hour of the network). 2004, Ajay R. Mishra, Fundamentals of Cellular Network Planning and Optimisation, John Wiley & Sons, page 42