We're not throttling you, says Vodafone, claiming slow vid streaming is down to the 'cards'

The line cards, that is... which ISP has fingered for selective download slowness

Vodafone has admitted that a "technical issue" is to blame for some broadband customers being unable to stream video from popular sites for months.…

via The Register - Data Centre: Networks
http://go.theregister.com/feed/www.theregister.co.uk/2019/03/01/vodafone_video_streaming_slowness_line_cards/