LITTLE ROCK, Ark. & LONDON–(BUSINESS WIRE)–Windstream Wholesale, a leading provider of advanced optical solutions, and Colt Technology Services, a leading provider of high bandwidth and on-demand connectivity, recently solidified their technology partnership by successfully trialing an optical spectrum solution, whereby Colt leveraged the Windstream Flex grid open line system between Chicago and Ashburn, Va., to build a 600G wavelength using their own coherent transmission system. Colt levera