The Maryland Broadband Cooperative announced the launch of a statewide optical transport network built with Infinera's regional DTN and metro ATN platforms.The Maryland Broadband Cooperative is an open-access, middle-mile fiber provider, offering its members high-capacity SONET, Ethernet and Internet services. Spanning more than 1,300 miles, Maryland Broadband's network is intended to enable service providers to offer high-speed broadband services to businesses, healthcare facilities, educational institutions, public safety offices and residents in rural Maryland.