Role of Buffers in CCPM - 2 TOCPA webinars by Sanjeev Gupta of Realization/Concerto - Free access to video and PDF | Critical Chain Project Management | Scoop.it
2  x 1h20 webinars. Free Video and PDF.

Contrary to popular myths and literature, Realization Technologies’ experience from more than 350 multi-project implementations and more than 2,000 large, standalone projects is that benefits of CCPM do not arise from buffer aggregation. They accrue from changing the mode of operation from “Spread Resources Thin” to “Focus and Finish”. Sanjeev Gupta, Founder and CEO of Realization, shares his views on CCPM Buffers in this light. Specifically, 
How CCPM buffers help in “Focus and Finish” 
Why 50/90 and other similar ways of estimating tasks can be counterproductive 
The wrong way and the right way to use buffer signals in execution