Standard class items are generally delivered within x days of selection with a due date performance of m percent. A typical standard class service-level agreement might offer a 30-day lead time with 80 percent due date performance. In other words, four out of five requests should be delivered within 30 days. […]
The concept of offering a target lead time coupled with a due-date performance metric is an alternative to treating each time coupled with a due-date performance metric is an alternative to treating each item idividually and having to estimate an d commit to a deliverable date for each item.