Vint Cerf, “Chief Internet Evangelist” for Google’s Public Policy Blog, raised objections and concerns about the broadband industry’s efforts to impose “consumption-based billing” on customers.

Cerf noted plans by several cable operators to test usage caps in an effort to manage their Internet traffic.

“At least one proposal  has surfaced that would charge users by the byte after a certain amount of data has been transmitted during a given period, […] a kind of volume cap, which I do not  find to be a very useful practice,  ” said Cerf.

“Given an arbitrary amount of time, one can transfer arbitrarily large amounts of information,” he said.

Excerpt: “Network management also should be narrowly tailored, with bandwidth constraints aimed essentially at times of actual congestion. In the middle of the night, available capacity may be entirely sufficient, and thus moderating users’ traffic may be unnecessary. Some have suggested metered pricing — charging by the megabyte rather than flat fee plans — as a solution to congestion, and prices could be adjusted at non-peak periods. These kinds of pricing plans, depending on how they are devised or implemented, could end up creating the wrong incentives for consumers to scale back their use of Internet applications over broadband networks.”

To date, the two largest cable broadband providers, Comcast & Time-Warner are already considering moving to a consumption-based billing system, but with no decrease in existing rates.   Instead, customers exceeding those usage caps will find overage charges on their monthly bills.

Several DSL providers, most notably Frontier Communications, have already imposed even more draconian usage caps on their customers; Frontier now limits DSL customers to just 5GB of traffic per month.