Cisco recently released their "Visual Networking Index: Forecast and Methodology, 2008-2013" with some impressive numbers. The point of the research is to provide additional insight into the growth of IP traffic as it relates to high-bandwidth IP applications such as video and communications, however it is an excellent read for anyone involved in delivering applications over the IP. The bottom line is: "Global IP traffic will quintuple from 2008 to 2013. Overall, IP traffic will grow at a compound annual growth rate (CAGR) of 40 percent." Wow.