Little’s law | Glossary

Definition:

In queueing theory, a discipline within the mathematical theory of probability, Little’s result, theorem, lemma, law, or formula is a theorem by John Little which states that the long-term average number L of customers in a stationary system is equal to the long-term average effective arrival rate λ multiplied by the average time W that a customer spends in the system.

Further Reading:

Book: kanban Maturity Model by Teodora Bozheva, David J. Anderson

 

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