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DOCSIS 3search for term: This is a technical specification that allows modern cable networks to offer considerably faster speeds than those used by earlier DOCSIS specifications. Comcast rolled out DOCSIS 3 in Minneapolis/St. Paul in early 2008, offering an "up to" 50 downstream/5 upstream connection for $150/month. Note the slow upstream connection and the high price. The greatest flaw with DOCSIS 3 remains the shared nature of the last mile, meaning a few bandwidth hogs can slow everyone's connection on that loop.
See also: cable modem system