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ISPs have to invest in making their networks better and fast »
« What are other countries doing with this speed?  
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Zak3056

join:2002-01-28
Greeneville, TN

3 edits
reply to thender2
Re: Unlimited

DSL's limit is close to being reached with SBC's 768 up
Since most DS-1s these days are delivered over HDSL, I would have to say that you are mistaken.


thender2
Glamour Profession
Premium
join:2004-05-16
Staten Island, NY

said by Zak3056 See Profile :

DSL's limit is close to being reached with SBC's 768 up
Since most DS-1s these days are delivered over HDSL, I would have to say that you are mistaken.
Isn't your typical residential ADSL limit around 8/1?


Snickerdo
Premium
join:2001-02-28
Niagara Falls, ON


1 edit
reply to Zak3056
said by Zak3056 See Profile :

Since most DS-1s these days are delivered over HDSL, I would have to say that you are mistaken.
HDSL/SHDSL are absolutely nothing like ADSL. Sure, you may get symmetrical 1.5Mbit/s out of HDSL and 4Mbit/s out of SHDSL, but you're killing the voice spectrum on the DSL pair, killing the voice spectrum on any pairs next to the DSL pair, and getting 'only' 1.5-4Mbit/s down when ADSL2 is getting 24.
--
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Maxo
Your tax dollars at work.
Premium,VIP
join:2002-11-04
Tallahassee, FL
clubs:

reply to thender2
768kbps is the max DSL will run at for upload. Zak3056 See Profile is the one who is mistaken. The DS, OC, or T1 lines feeding your CO may provide higher uploads, but the DSL technology can't feed that bandwidth between the CO/RT and your house. The theoretical limit is 1.0M but nobody is ever going to see that sort of upload on DSL and maintain reliability.
»en.wikipedia.org/wiki/Asymmetric···ber_Line
--
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kamm

join:2001-02-14
Brooklyn, NY
·T-Mobile US

reply to Snickerdo
said by Snickerdo See Profile :

said by Zak3056 See Profile :

Since most DS-1s these days are delivered over HDSL, I would have to say that you are mistaken.
HDSL/SHDSL are absolutely nothing like ADSL. Sure, you may get symmetrical 1.5Mbut/s out of HDSL and 4Mbit/s out of HDSL, but you're killing the voice spectrum on the DSL pair, killing the voice spectrum on any pairs next to the DSL pair, and getting 'only' 1.5-4Mbit/s down when ADSL2 is getting 24.
That's ADSL2+ and it's in daily use outside of US, f.e. in Europe.
--


Snickerdo
Premium
join:2001-02-28
Niagara Falls, ON

said by kamm See Profile :

That's ADSL2+ and it's in daily use outside of US, f.e. in Europe.
ADSL2+ is also being widely deployed in Canada, albeit without the higher upload speed option (3Mbit/s) because to get the higher upload speed, you have to kill the voice spectrum. No telco wants to kill the voice spectrum, especially when it can cause issues with neighbouring pairs on the same drop. As it stands now, the maximum Bell offers is 16/1.
--
Bigot - Someone that has won an argument with a Liberal.
Yes, I CanChat. Can You? www.fiberal.ca


Snickerdo
Premium
join:2001-02-28
Niagara Falls, ON

reply to Maxo
said by Maxo See Profile :

The theoretical limit is 1.0M but nobody is ever going to see that sort of upload on DSL and maintain reliability.
We have had absolutely no problems running full 1.0M on the upstream path in this country. Perhaps your telcos just suck?
--
Bigot - Someone that has won an argument with a Liberal.
Yes, I CanChat. Can You? www.fiberal.ca


Maxo
Your tax dollars at work.
Premium,VIP
join:2002-11-04
Tallahassee, FL
clubs:

said by Snickerdo See Profile :

said by Maxo See Profile :

The theoretical limit is 1.0M but nobody is ever going to see that sort of upload on DSL and maintain reliability.
We have had absolutely no problems running full 1.0M on the upstream path in this country. Perhaps your telcos just suck?
On the standard ADSL (not 2+ or anything like that) technology?
I wouldn't have said so before a few months ago, but I'm quite tired of my ISP right now.
--
"Padre, nobody said war was fun now bowl!" - Sherman T Potter

»www.cafepress.com/maxolasersquad

»maxolasersquad.com/

»maxolasersquad.com/network/ My DSL Network Guide

»myspace.com/mlsquad


Snickerdo
Premium
join:2001-02-28
Niagara Falls, ON

said by Maxo See Profile :

On the standard ADSL (not 2+ or anything like that) technology?
Correct. Bell in Eastern Canada won't sell anything more than 800 up, but Telus in Western Canada has full 1M up products, or at least did anyway.
--
Bigot - Someone that has won an argument with a Liberal.
Yes, I CanChat. Can You? www.fiberal.ca
Forums » Cohen: U.S. Broadband 'Two Generations Behind'ISPs have to invest in making their networks better and fast »
« What are other countries doing with this speed?  


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