In a move that will stoke a battle over the future of the Internet, the federal government plans to propose regulating broadband lines under decades-old rules designed for traditional phone networks. The decision, by Federal Communications Commission Chairman Julius Genachowski, is likely to trigger a vigorous lobbying battle, arraying big phone and cable companies and their allies on Capitol Hill against Silicon Valley giants and consumer advocates. He wants to adopt net neutrality" rules that require Internet providers like Comcast Corp. and AT&T Inc. to treat all traffic equally, and not to slow or block access to websites. Internet giants like Google Inc., Amazon.com Inc. and eBay Inc., which want to offer more Web video and other high-bandwidth services, have called for stronger action by the FCC to assure free access to websites. Cable and telecommunications executives have warned that using land-line phone rules to govern their management of Internet traffic would lead them to cut billions of capital expenditure for their networks, slash jobs and go to court to fight the rules. Consumer groups hailed the decision ..., an abrupt change from recent days, when they [had] bombarded the FCC chairman with emails and phone calls imploring him to fight phone and cable companies lobbyists.

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