It is a case that pits government and cable interests in spurring growth of the technology against consumer interests in lower prices.
''If customers have a choice in high-speed providers, that will mean better service, greater availability, and lower prices," said Dave Baker, a vice president at Atlanta-based EarthLink, a telephone-based Internet provider.
The National Cable & Telecommunications Association, which has invested $90 billion since 1996 to develop broadband service, disagrees. ''Any type of government regulation to require cable operators to form partnerships would only deter investment, innovation and competition," said spokesman Brian Dietz.
The Federal Communications Commission voted in March 2002 to exempt cable firms from strict rules to stir more investment. The FCC reasoned that high-speed Internet over cable was just an ''information service," making it different from phone companies.
But the FCC ruling left phone companies, which offer rival digital subscriber lines, at a disadvantage. Though they must pay for upgrades, they're subject to more regulation, including a much-debated rule requiring them to lease their infrastructure to rivals.