No saving the NBN
NBNCo have stated repeatedly that they have no plans to upgrade to DOCSIS 3.1, including to a recent Senate Select Committee hearing. Proceedings are not yet available, but relevant bits are referred to in the article below.
http://www.businessspectator.com.au/article/2014/12/4/technology/nbn-cos-multi-technology-mix-has-much-prove
Biting the hand that feeds IT
