Whose Internet is it, anyway?
Last week, the new chairman of the Federal Communications Commission, Julius Genachowski, broke with precedent by proposing federal rules that enforce Net neutrality — the principle that Internet service providers (ISPs) shouldn't play favorites with the traffic traveling over their networks. Proponents argue that Net neutrality promotes innovation. If software developers find more efficient ways to use the Internet, the argument goes, they shouldn't fear reprisal from ISPs that sell competing products. Broadband providers that also offer landline phone service shouldn't degrade the quality of Internet telephone calls in order to preserve their market share; the same goes for cable companies and Internet video. But ISPs argue that they sometimes need to throttle back traffic sent by heavy users. Otherwise, they say, the network will become congested and slow to a crawl; thousands of casual users will pay the price for a few customers sucking up a disproportionate...