EXA Infrastructure, which is a new carrier that consists of the subsea European, and North American infrastructure and data centre assets previously owned by GTT Communications, introduced 400 Gbps transport services across its network.EXA Infrastructure will initially enable 65,000km of its network footprint to support 400G, including two transatlantic cables, which equate to more than 3000 possible route combinations. 400G wavelengths are available...