Critic's Corner

RE: SBC/AT&T

207.91.86.2

In Reply to: RE: Great info- posted by cdb on December 06, 2007 at 22:08:39

I'm pretty sure that, unlike Verizon's FIOS system (which is fiber to the home), the AT&T/SBC system is "hybrid fiber/coax" which uses fiber to the node (neighborhood) and coax to the home, essentially replicating the architecture of almost all cable systems that have been built (or re-built) in the last 10 years or so. The ultimate bandwith of an HFC system is less than that of an all-fiber system; however, I don't know whether the difference is material right now. For comparison purposes, however, I doubt that the AT&T/SBC system is going to offer the user any greater throughput for Internet access than is available from your cable operator. Verizon's FIOS system, however, does offer greater throughput, assuming the absence of bottlenecks upstream.

If and when we go to "IP-Video" (internet-protocol -- i.e. packet switched -- video) then that bandwith difference might become significant.

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