A tale of two trials.(Time Warner Cable and AT&T Broadband )

CED, May, 2001 by Ellis, Leslie

Time Warner Cable and AT&T Broadband are testing open access approaches in Columbus, Ohio and Boulder, Colo.

Sometimes, technologies which work similarly under the hood are put to use for different purposes. Those different purposes are driven by the different strategic motivations of their inventors. Satellites, for example, all orbit the Earth in some way, but are used for communications and entertainment; ditto for the humble radio itself.

Such is the case with the technologies used by AT&T Broadband and Time Warner Cable to connect non-affiliated Internet service providers (ISPs) to their HFC plant. The major parts--back office interfaces for provisioning/registration/customer service, policy-based routers--were built in a way that's probably...

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