Match relevant pairs A network analysis technique that estimates project duration when there is a high degree of uncertainty An additional time that handles resource limitation 1. PERT A network analysis technique that estimates project duration 2. Feeding Buffer when there are limited 3. Total Float resources 4. Critical Chain A network analysis technique that estimates project duration 5. Critical Path as the longest path of least slacks The amount of time an activity may be delayed from its early start without delaying the planned project finish date