Who would ever have thought that Germany’s incumbent and once much revered Deutsche Telekom (DT) would be down to a 41% market share in broadband? Blame it on the cablecos and their DOCSIS broadband technology. The question is what the copperwire-bound DT can do? It is currently upgrading its copper wire broadband network with vectoring technology, but that will not allow it to catch up with what cablecos currently offer – upwards of 400 Mbps, much less what cablecos will soon offer when they next upgrade their hybrid fiber/coax networks. DT appears to be eyeing as an answer the copperwire-based broadband technology G.fast, which BT is already well on its way to not only deploying but also promoting as copperwire-based…