Basic Concept: Tickets Represent Your Share

Underlying lottery scheduling is one very basic concept: tickets, which are used to represent the share of a resource that a process (or user or whatever) should receive. The percent of tickets that a process has represents its share of the system resource in question.

Example

Let’s look at an example. Imagine two processes, $A$ and $B$, and further that $A$ has 75 tickets while ...