DSL modem

[al plant]

Warren Togami wrote:
> 
> This will spark a flame war... but...
> 
> Don't you already have Roadrunner?  RR is considerably faster than even the
> most expensive ADSL plan.  Believe me.  I've had both in my house at one
> point.  A lot of people insist that ADSL is faster, but it is simply not.
> Bronze Plus 768kb down is only around 70-80KB/sec realistic peak.  Do the
> math.  Divide the number by 8 to get the theoretical peak transfer speed
> 768/8 = 96KB/sec.
> 
> On my RR connection I consistently get between 40-200KB/sec on random
> downloads, 300KB from UH and always 600KB/sec from Akamai.  My friend says
> that he hits 1.1MB/sec sometimes (though I think he's exaggerating a bit).
> ADSL can't come anywhere close to that.  Many DSL providers also charge
> extra for bandwidth usage.  (Flex doesn't.  Lava.net does.  Does Verizon?)
> 
> Of course there are some good reasons for DSL over cable.  Many people are
> concerned about the broadcast-to-entire-neighborhood nature of cable modems.
> That can be problematic, especially with everyone sending their passwords
> over the Net in plain text (FTP, telnet, POP3, Hotmail, Yahoo mail, etc.).
> I'd say that your risk is higher of having your password intercepted on
> cable, but you shouldn't be trusting any connection anyway.  Learn to use
> encryption (SSH instead of telnet and FTP) and don't consider any web mail
> important.
> 
> The other advantage trumpeted by DSL folks is the "guaranteed bandwidth".  I
> consider this point moot because the average speeds that I have always seen
> on Roadrunner (except for a few months when they were severely overloaded)
> are consistently higher than the HIGHEST speeds on ADSL.  Here's what Del
> Wong says on the subject, "From your ADSL modem, the line goes to a DSLAM
> shelf (along with 96 other ADSL users like yourself, some at Bronze, others
> may be at Platinum), and from there to a T1 link to the Frame Relay Cloud. I
> hope this is clear to you, that ninety six other users sucking up from
> 768Kbps or higher from a single 1536Kbps line. Think, if all 96 ADSL users
> downloaded at 768Kbps, that would be a total of 45Mbps, out of a1.536Mbps T1
> line. Obviousdly this ain't gonna happen. The DSLAM shelf controller will
> DROP PACKETS somewhat randomly from everyone's feed. When packets get
> dropped, this creates a negative feedback situation, as your computer will
> tell the sending computer to re-send the original data all over again,
> creating even more traffic, that will be partially dropped by the DSLAM, and
> then over and over again! Evil."
> http://www.flex.com/adsl/slowpoke.html
> 
> One real advantage of DSL over Cable is probably the lower cost for a static
> IP.  Roadrunner charges a lot more for the priveledge.  Flex, Lava (and
> probably others... I dunno) have static IP's at a much lower cost.
> 
> If you go DSL, I highly suggest Flex.  Cheapest in town, and they don't
> charge extra for bandwidth.
> 
> ----- Original Message -----
> From: "Julio Gutierrez" <gutierrej001 at hawaii.rr.com>
> To: "Linux & Unix Advocates & Users" <luau at list.luau.hi.net>
> Sent: Tuesday, May 08, 2001 9:18 PM
> Subject: [luau] DSL modem
> 
> > does anyone have an extra DSL modem for sale? or does anyone know where I
> > can get one?
> > I'm trying to get DSL service from Verizon but their modems are way too
> > overpriced( $200).
> > if anyone comes across one would you please let me know #=-)
> >  thank you all!!
> >
> >
> > Julio
> >
> 
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-- 
 Aloha! Al Plant -Webmaster http://hawaiidakine.com
Providing FAST DSL Service for $28.80/mo.  Member Small
Business Hawaii.
Running Caldera Linux 2.4 & Free BSD 4.0 UNIX 
Support Open Source in Business and Computing.