DUBLIN--(BUSINESS WIRE)--Research and Markets (http://www.researchandmarkets.com/research/pqhrj7/private_line_and) has announced the addition of the "Private Line & SONET Services Market Insight" report to their offering. The analysis in the study is segmented by retail (sales to enterprises) versus wholesale (sales to service providers) revenues, which is further segmented by metro versus long-haul segments. Private line services considered in this study are dedicated, point-to-point, alwa