ling ▁or ▁even ▁blocking ▁internet ▁traffic ▁transm itted ▁via ▁the ▁Bit T or rent ▁protocol . ▁Com cast ▁veh ement ly ▁denied ▁the ▁accus ations ▁of ▁blocking ▁traffic , ▁stating ▁that ▁" Com cast ▁does ▁not , ▁has ▁not , ▁and ▁will ▁not ▁block ▁any ▁Web ▁sites ▁or ▁online ▁applications , ▁including ▁peer - to - pe er ▁services ", ▁and ▁that ▁" We ▁eng age ▁in ▁reasonable ▁network ▁management ". ▁After ▁more ▁w ides p read ▁confirm ation ▁that ▁Com cast ▁was ▁thro tt ling ▁Bit T or rent ▁traffic , ▁Com cast ▁said ▁it ▁occasionally ▁delayed ▁Bit T or rent ▁traffic ▁in ▁order ▁to ▁speed ▁up ▁other ▁kinds ▁of ▁data , ▁but ▁decl ined ▁to ▁go ▁into ▁specific s . ▁Following ▁the ▁announ cement ▁of ▁an ▁official ▁investigation ▁by ▁the ▁F CC , ▁Com cast ▁volunt arily ▁ended ▁the ▁traffic ▁disc rim ination . ▁The ▁F CC ▁investigation ▁concluded ▁that ▁Com cast ' s ▁thro tt ling ▁policies ▁were ▁illegal . ▁However , ▁after ▁fil ing ▁a ▁law suit ▁in ▁September ▁ 2 0 0 8 , ▁Com cast ▁over turn ed ▁the ▁il leg ality ▁of ▁its ▁network ▁management ▁in ▁ 2 0 1 0 , ▁as ▁the ▁court ▁ruled ▁that ▁the ▁F CC ▁lack ed ▁the ▁authority ▁to ▁en force ▁net ▁neutral ity ▁under ▁the ▁F CC ' s ▁then ▁current ▁regul atory ▁policy . ▁The ▁court ▁suggested ▁instead ▁of ▁its ▁current ▁framework , ▁the ▁F CC ▁move ▁to ▁a ▁common ▁car rier ▁structure ▁to ▁justify ▁its ▁enfor cement