Business Ethernet port shares for the largest providers were slightly lower at year-end 2006 as compared to mid-year results, according to Vertical Systems Group's latest market analysis. Leading providers encountered more competitive pressure as enterprise customer demand for retail Business Ethernet services in the U.S. intensified during the second half of 2006.

"Increased market participation from MSOs and specialized carriers, plus a broadening of offerings, including Sub-10 Mbps services, drove share gains for more than a dozen midsize and regionally-based service providers," said Rick Malone, Principal at Vertical Systems Group. "The number of service providers focusing on the U.S. market opportunity is expanding, which signals a key inflection in Business Ethernet market development."

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