The increase in private-line service demand, while decrease in prices is discussed. A private line is a dedicated non-switched circuit or communications channel that is leased for a specified period. This channel provides a private and direct connection between at least two sites and is used by large enterprise data centers to connect to the Internet. Insight's report, Private Line & Wavelength Services 2004-2009, examines spending for local and long-distance private-line circuits by type of carrier. It is found that circuit counts by circuit speed are also included.