BOSTON, Oct. 4 -- Nortel Networks said that it has been selected as the primary provider of dense wavelength division multiplexing (DWDM) technology by SBC Communications under a multiyear metro optical contract. The deployment of Nortel Networks leading metro optical products by SBC expands an ongoing strategic relationship between the two companies. "SBC has demonstrated its commitment to offer the best services to its customers by adopting the industry's latest in optical platform solutions," said Brian McFadden, president, Metro Optical Solutions, Nortel Networks. "With Nortel Networks industry-leading Metro Optical portfolio, SBC can maintain a competitive edge -- creating new revenue-generating services and accelerating the time-to-market of these services." "Large carrier deployment of DWDM-based services is a transformational event for the industry. The hardware, software, and management system integration of Nortel Networks metro optical portfolio will dramatically reduce operational complexity, making the metro DWDM an economically viable solution for large carriers, such as SBC," continued McFadden.