Vertical Systems Group is recognized worldwide as a leading market research and strategic consulting firm specializing in defensible quantification of the networking industry. ENS is our comprehensive web-based resource for defensible statistics and insightful analysis on broadband networking markets, including Ethernet, IP/MPLS VPNs, Frame Relay, ATM, Private Lines, Access, Fiber, Broadband and more. Standard and custom ENS Research Programs are available.
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