The carrier Ethernet market is growing tremendously, fueled by the growing acceptance of Ethernet as the answer to the industry's bandwidth scalability issues. The disparity between carriers' revenue streams and the amount of bandwidth consumed by each service is causing carriers to seek more cost-effective options to reduce OPEX and CAPEX. Designed from the ground up for this carrier reality, the Extreme Networks BlackDiamond 20800 series switches allow carriers to compete effectively while satisfying their customers' needs and expectations.BlackDiamond 20800 series switches enable a single carrier Ethernet transport network to deliver residential, business, mobile backhaul, and wholesale Ethernet services. Residential services include triple-play services, IPTV, tiered Internet access, and more. Business services include standard E-Line and E-LAN to connect multiple sites, plus tiered Internet access and VoIP with hierarchical bandwidth controls to individual businesses. Mobile backhaul services deliver the bandwidth needed for multimedia devices running on 3G wireless networks.