Quite right Jeremy. The upstream connection is the bottleneck point. This is true be it from a Cable CMTS or a DSL DSLAM. The concern over cable bandwidth sharing isn't really valid in the local loop these days. Cable does have the potential of much higher speeds in the local loop than say ADSL, but thats not saying much. VDSL is essentialy an OC-1 over twisted pair (without the redundancy of course). So why don't we see lots of VDSL for sale? Well apart from distance limitations, and the fact the few folks need that much bandwidth, the cost is too prohibitive upstream. Local loops are cheap. Aggregated upstream loops are expensive. Again, this is true for both Cable and DSL.
-Ryan On Tue, 2003-10-07 at 11:59, Jeremy Portzer wrote: > -- > TriLUG mailing list : > http://www.trilug.org/mailman/listinfo/trilug > TriLUG Organizational FAQ : http://trilug.org/faq/ > TriLUG Member Services FAQ : http://members.trilug.org/services_faq/ > TriLUG PGP Keyring : http://trilug.org/~chrish/trilug.asc > > > ______________________________________________________________________ > Subject: > Date: Tue, 07 Oct 2003 12:03:32 -0400 -- Ryan Leathers <[EMAIL PROTECTED]> Global Knowledge
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