1. European Information & Communications Technology Industry Association (EICTA), http://www.eicta.org.
2. http://www.juniper.net/company/presscenter/pr/2005/pr-051024a.html.
3. http://www.cisco.com/en/US/products/ps6438/products_white_paper0900aecd8033e9a4.shtml.
4. A.M. Odlyzko, “The Economics of the Internet: Utility, Utilization, Pricing, and Quality of Service”, & ldqo; unpublished manuscript, http://www.dtc.umn.edu/~odlyzko.
5. http://www.ietf.org.