According to the Cisco Visual Networking Index, which analyzes the growth and use of IP networks worldwide, online video is the fastest growing residential service, with a 9.7% annual growth rate expected through 2018.
Video on demand will be the fastest-growing digital television service, with the number of subscribers increasing from 306 million today to 451 million by 2018, according to Cisco.
"ISPs are saying [to content providers], if you want us to increase bandwidth, at what point do we get paid to increase it?" Davis said.
Next month, Leahy plans to hold a Senate Judiciary Committee hearing on net neutrality to examine the impact of open Internet rules on competition and consumers.
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