Comcast's traffic management practices have landed the cable giant in court. Yesterday, a California resident filed a lawsuit in state court accusing Comcast of breach of contract, breach of implied covenant of good faith and fair dealing, and violating the California Consumer Legal Remedies Act.
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John Hart describes himself as a Comcast customer who has seen performance hits when using "Blocked Applications" targeted by Comcast's traffic management application, Sandvine. In his complaint, Hart says that Comcast severely limits "the speed of certain internet applications such as peer-to-peer file sharing and lotus notes [sic]." Comcast accomplishes this by "transmitting unauthorized hidden messages" to the PCs of those using the applications.

Check the full stoy at ars technicia