Seems like that is what people are blaming it on...
http://www.theregister.co.uk/2014/08...s_out_to_play/
Quote:
As an example of the latter, while I don't yet have official confirmation yet from Canadian ISP Shaw, there are some indications are that the "mystery routing sickness" which affected its network (and which continues at time of publishing) could be related to the "512KDay" issue.
It is possible the issues I experienced with Shaw could be down to routers hitting the 512K limit. Theoretically, these routers could have hit the magic number and then been unable to route individual protocols (such as RDP, for example, although we cannot confirm this is so in Shaw's case) to the Deep Packet Inspection (DPI) systems that the ISP uses to create a "slow lane" enhance our internet experience*. We have contacted the ISP for comment but it had yet to respond at the time of publication.
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