Cogent Communications' national backbone almost complete

Aug. 15, 2001--Cogent Communications, Inc., a next- generation optical ISP, announced it has completed more than 75 percent of the planned 80 Gbps bandwidth expansion on its 12,400 mile long- haul backbone.

Cogent Communications, Inc., a next- generation optical ISP, announced it has completed more than 75 percent of the planned 80 Gbps bandwidth expansion on its 12,400 mile long- haul backbone. The remainder of the expansion will be completed by the end of October.

Since April 23rd, Cogent has steadily increased the capacity on its OC-192 backbone from one wavelength (10 Gbps) to eight wavelengths (80 Gbps). The company claims that this makes Cogent's backbone one of the nation's largest for IP data traffic and enables it to accommodate the equivalent of over 150 billion e-mails per second.

Cogent's backbone now touches 45 of the 50 largest metropolitan service areas (MSAs) and is fully operational. Cogent currently provides service in Boston, Chicago, Dallas, Denver, Houston, Kansas City, New York, Philadelphia, San Francisco, Santa Clara, and Washington, D.C., with plans to provide service in 20 cities by the end of the year.

Cogent's national IP backbone utilizes OC-192 long haul dense wavelength division multiplexing (DWDM), and is currently operational via two large, interconnected Eastern and Western rings connecting major cities across the country. Cogent's metropolitan networks utilize OC-48 DWDM technology.

An end-to-end IP+Optical infrastructure combines the intelligence and flexibility of IP networking with the scale and economic efficiency of optical transport. This infrastructure enables Cogent to maximize bandwidth and drive down the cost per megabit delivered.

Cogent Communications:

Cogent Communications is a next generation optical ISP focused on delivering ultra-high speed Internet access and transport services to businesses in the multi-tenant marketplace and to service providers in major metropolitan areas throughout the United States. For more information, visit www.cogentco.com.

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