[clue-tech] DSL providers

[Hex Star]

On 2/16/07, Hex Star <hexstar at gmail.com> wrote:
>
>
>
> On 2/16/07, William <wwcluetech1 at kimballstuff.com> wrote:
>
> > Hex Star wrote:
> > > Is it really true that all broadband modems in a neighborhood receive
> > > the packets from every other user in the neighborhood? I've also heard
> >
> > > that if you directly connect to the cable modem that if you use
> > > windows or some other smb compatible browser you can see al the
> > > computers that are on in your neighborhood? I'd assume a router, like
> > > I use is a good measure to protect against anyone being able to access
> > > my computers without my permission right (since it assigns internal
> > > dynamic IPs and requires port forwarding for outside requests to reach
> >
> > > any inside computer)?
> > Yes, it is true that everyone on the same Cable node is receiving all
> > the packets of everyone else on the same node.  That's simply how
> > HFC/Cable networks are deployed.  No, you probably cannot browse your
> > neighbors' networks.  We (my present networking class) haven't delved
> > into HFC networks yet (later chapter in the semester) but I hear tale
> > that some kind of tunneling is involved and I'd hopefully assume that
> > Cable modems (yes, in fact, they are routers with integrated modems) are
> > blocking "unwanted/hostile traffic" that prevents outsiders from
> > actually getting inside your home.  Tunneling, encryption, and
> > firewalling aside however, all packets are still being copied to all
> > your neighbors, affecting the shared bandwidth at your node.
> > > As for the neighbor issue...true it may be closer...but still todays
> > > ISPs with todays technology are able to provide a ton of bandwidth for
> >
> > > each neighborhood so this is rarely a issue..it sure hasn't ever been
> > > a issue for me
> > Indeed, Cable broadband throughput rates are exceptionally high today,
> > comparable to the best DSL rates (theoretically 10Mbps at the PoP).
> > Thanks to the "bursty nature" of Internet packet consumption, I believe
> > you when you say that bandwidth saturation is rarely an issue for you.
> > Please don't feel that I've been trying to dissuade you from using Cable
> >
> > -- it is the right choice for most broadband consumers.  It's the (as
> > termed in academia) "Power Users" that usually prefer DSL [those
> > individuals who run substantial SOHOs, who require bandwidth guarantees,
> >
> > or who simply want more control over their service].  :)
> >
> > I hope everything is pretty clear by now.  Thanks for helping me
> > exercise this knowledge -- it was good for me in preparation for
> > upcoming exams at school.  :)
> >
> > -- William
> >
> >
> > --
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> >
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>
>
> What's wrong with cable for small offices/home offices? Bandwidth
> garuntees? DSL by far has more of a problem with bandwidth garuntees then
> cable:
>
> 1) I first seeked DSL for my broadband connection and chose AT&T (SBC at
> the time) since they have the most coverage here while not charging an arm
> and a leg
>
> 2) Their webpage said internet access was availible in our area
>
> 3) We applied, got a modem
>
> 4) Internet access was slow and spotty
>
> 5) We called support and after lots of run arounds they determined that
> our phone wasn't of optimal quality for DSL and neither was our distance
> from the central office
>
> 6) There was rumor of a local central office from some techs but others
> had no idea...still a mystery to this day
>
> 6a) While we still had the DSL I checked the site again to see if it still
> said dsl was availible in our area and it no longer said so...what the
> hell???
>
> 7) We've cancelled our service since we were getting dialup speeds through
> our DSL connection and moved to Comcast
>
> 8) Comcast support was friendly, no wait time, and very knowladgeble (may
> be based on area)
>
> 9) Comcast delivers promised fast speeds without hassle
>
>
> If you think a service that can fluctuate just because of a little phone
> line noise and decreases as you are distanced from the central office is
> more reliable then cable internet which doesn't get slower as you are
> distanced from the central office and isn't as picky about line noise then I
> guess it's your choice...Qwest is also amazingly more expensive then either
> AT&T or Comcast but if you have a lot of extra cash to through around then I
> guess whatever works...
>
> As for more control...what more control does dsl offer? If anything it
> offers less control
>
>
>

Oh and I forgot to mention, the first day I tried to signup for SBC DSL the
signup failed because the server was out of disk space! ><
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