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Posted by James Knott on July 28, 2005, 12:30 pm
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Ron Hunter wrote:
> James Knott wrote:
>> $Bill wrote:
>>
>>> Isn't most DSL under 1 Mb ? Like maybe 768/128 average and for an extra
>>> $10
>>> you can get 1.5/384. I've seen 6.0/768 for $100.
>>
>> That depends entirely on the deals offered by the ISP. I was recently
>> involved in setting up some, that are 3 Mb /768 Kb. Some ISPs offer more
>> than one service level. Of course those further from the CO may not be
>> able to get the higher rates.
>>
>
> To the best of my understanding, ADSL tops out at 6mbps, and that
> requires CLOSE proximity to the local office (or DSLAM). Somehow, I
> suspect the OP has a mistaken impression about the speed he has.
>
>
And of course, that's only the speed to the DSLAM. After that, it's a
shared network. On the ADSL systems I was working on, there are 448 ADSL
lines (14 DSLAMs @ 32 lines each), sharing 2 DS3s, for a maximum bandwidth
of about 90 Mb/s, less ATM overhead (~15%). This means that if the
bandwidth were shared equally among all 448 users, they'd each have only
about 170 Kb/s.
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