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Glen Allen, VA | Who would have thought? said by Summary :
For reference, DOCSIS 2.0, currently in use, delivers up to 40 Mbps down/30 Mbps up per channel
Who would have thought DOCSIS 2.0 could reach that high? As far as I can tell the top speed for 2.0 is 4mb down and 400Kb up.... 
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 justbitsMore fiber than ATT can handlePremium
join:2003-01-08
Chicago, IL
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| Remember, 40Mbps down/30Mbps up is the shared physical layer speed. Everybody's packets in your neighborhood flowing over the shared link are flowing at that speed. If 7 people start doing a 6Mbps download, after a while, they're all going to slow down to below 6Mbps.
I think the biggest advantage to DOCSIS 3.0 is that the cable company can either squeeze more people on the same neighborhood node, or they can sell higher bandwidth on the same neighborhood node. Which do you think they'll choose? They'll probably take the route that just barely gives them a perceived advantage over the telcos product offerings. Thank you telco/cableco duopoly!
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| said by justbits:I think the biggest advantage to DOCSIS 3.0 is that the cable company can either squeeze more people on the same neighborhood node, or they can sell higher bandwidth on the same neighborhood node. Which do you think they'll choose? They'll probably take the route that just barely gives them a perceived advantage over the telcos product offerings. I think they will split the difference. Docsis 3.0 will allow them to up the speeds and add a few more subscribes/node. And they will up the speeds to match Verizon Fios wherever they are in competition.
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| reply to justbits
Not entirely quite. The theoretical bandwidth of coax is quite high. This just shakes a little bit extra out of that. Though I believe with DOCSIS 3.0 you'll have to drop in more nodes. I don't believe it's an even swap. |
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 TransmasterDon't Blame Me I Voted For Bill and Opus
join:2001-06-20
Cheyenne, WY | It Costs WHAT! One thing I am thinking is this is going to increase costs because this will require the Hard line and coax drops to the houses used in cable systems to be of higher quality then they are using now. Which is probably why the cableCo's are not singing hosanna in the highest.
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| reply to bogey780
Re: Who would have thought? said by bogey780:Not entirely quite. The theoretical bandwidth of coax is quite high. This just shakes a little bit extra out of that. Though I believe with DOCSIS 3.0 you'll have to drop in more nodes. I don't believe it's an even swap. No, the same nodes will do. If it sells, THEN they might need to add nodes. Don't you just love the innovation timeline cable has taken. In a single decade the bandwidth has tripled, and all while using roughly the same technology. The majority of the equipment changes will be CPE based, and load balancing. This technology will just be a new config for the existing CMTS (and a few upgraded cards, but not many), the Modem just has to be compliant.
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