Nortel Ranked No.1 in Sonet, DWDM

ATLANTA, GA -- Nortel Networks has once again been confirmed as the global market leader in delivering high-performance optical solutions by the latest figures released from the Dell'Oro Group, an independent research and consulting firm. Dell'Oro's worldwide market data for the first quarter 2000 US$5.2 billion Dense-Wavelength Division Multiplexing (D-WDM) and SONET/SDH optical networking market demonstrate Nortel Networks' continued momentum in both key segments of the Optical Internet.

For the first quarter of 2000, Nortel Networks again led the competition and took the number one position with a global market share of more than 36 percent for D-WDM and SONET/SDH Optical Internet solutions.

According to Dell'Oro, Nortel Networks captured 45.5 percent of the first quarter 2000 US$1.5 billion D-WDM market. Dell'Oro's figures confirm Nortel Networks' leadership in the burgeoning D-WDM metro arena with a dynamic 71.1 percent share of the market. In delivering long-haul solutions, Nortel Networks further extends its leadership by securing 44.6 percent in market share.

In the SONET/SDH market, Nortel Networks was again number one in the first quarter 2000 US$3.68 billion market with 33.3 percent, doubling the market share of the closest competitor.

http://www.nortelnetworks.com/corporate/news/newsreleases/2000b/05_26_0000337_delloro.html