Bandwidth costs, real and virtual - NETWORK WORLD

Cogent’s clean sheet Ethernet approach - TELECOMMUNICATIONS MAGAZINE

Cogent Communications banks on Ethernet over IP - LIGHTWAVE MAGAZINE

Cogent's Secret Weapon - RENESYS BLOG

A Telephony Podcast: Interview with Cogent’s Dave Schaeffer - TELEPHONY ONLINE

Dirt cheap broadband grabs market share - FORTUNE

Ethernet-Enabled DWDM: A Multiservice Transport DWDM Vision - LIGHT READING

Ready for some peace and quiet - TELEPHONY

IT Plays Linchpin Role In High-Stake M&As - INFORMATION WEEK

Cogent Expands Market Reach - TELEPHONY

Cogent Offer in New Markets - ISP PLANET

Dave Schaeffer, Founder and CEO, Cogent Communications - OFFLINE PROFILE; TELECOMMUNICATIONS

Profile: Dave Schaeffer, CEO Cogent - ENTREPRENEUR WEEKLY

Cogent's Latest Price Drop -- ISP PLANET

Schaeffer Opines on the Act, RBOCs and Benefits of Being Big --XCHANGE MAGAZINE

Chicago Stock Exchange Upgrades Network Bandwidth - DEALING WITH TECHNOLOGY
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Besting The Storm. Cogent Customer, The Weather Underground Wins Enterprise All Star Award - NETWORK WORLD

Networking Innovators - University of Pennsylvania Profiled - CAMPUS TECHNOLOGY

ISP Cogent Blazes Price-Cutting Trail - AMERICA'S NETWORK

Cogent courts cable - TELEPHONY

Cogent expands in U.S., Europe - TELEPHONY

Cogent Expands its Footprint and Adds Transatlantic Capacity - CONVERGE!

Two views: To over-provision or conserve - TELEPHONY

Cogent Makes the Washington Post 200 - WASHINGTON POST

Does QOS matter for voice over IP? - TELEPHONY

Cogent Extends London Connectivity - LIGHT READING

The Backbone That Grows - ISP PLANET

Always a CEO - BUSINESSWEEK ONLINE

Cogent Offers Managed Security Services - WEB HOSTING INDUSTRY REVIEW

Cogent Sees a More Secure Future - TELEPHONY

Cogent Buys T1 Assets from Verio - TELEPHONY

Business-Internet Firm Gains Clients in Deal - THE WASHINGTON POST

Cogent Acquires Aleron, its Sixth Acquisition this Year - CONVERGE!

Cogent Named Fastest Growing Company 2004 - WASHINGTON BUSINESS JOURNAL (No Link Avail.)

Cogent buys another European ISP - TELEPHONY

Brad Kummer Named one of InfoWorld's Top 25 Most Influential CTO's- INFOWORLD