Re: About Port Forwarding, Apache and Firewall Rules

[David Lang <david.lang () digitalinsight com>]

On Thu, 9 Sep 2004, Mister Coffee wrote:

> On Tue, Sep 07, 2004 at 01:53:40PM -0700, Chuck Vose wrote:
> > > There is no God-given, natural law or Constitutional right to Internet
> <snippage>
> > > course: These options all come at a price.
> >
> > There are even other things that DSL that can also work nicely for remote
> > areas. Satelite is the farthest reaching but usually has terrible upload.
> > ISDN can get rates up to 1.544 Mbps and is very far reaching if I recall
> > correctly.
> Just one point - having been in a situation where finding an 
> "alternative" to Cable Modem connection was imperative, I can 
> add/correct something here.  ISDN can provide up to 128kb/Sec, not 
> 1.53Mb/sec.  IDSL, effectively DSL over ISDN lines gets up to 144kb/sec 
> by combining both B channels (64kb/sec each) and the D channel 
> (16kb/sec) that's normally used for control.
>
> Range on ISDN is fairly impressive.  I know the range is measured in at 
> least 10's of miles, rather than DSL's 18K/feet (more or less, depending 
> on carrier, speed, etc.)

IDSL will go ~30k ft, it's what I have to use at home, at $90/month :-(

I had a cablemodem for a couple years and dropped it as the carrier kept 
changing the TOS, when I finally dropped it I found the IDSL service was 
almost twice as fast as the cable had slowed down to.

ISDN is a different story, it is available just about anywhere that normal 
phone service is available, but useually comes with per-min useage fees

David Lang


--
There are two ways of constructing a software design. One way is to make it so simple that there are obviously no 
deficiencies. And the other way is to make it so complicated that there are no obvious deficiencies.
 -- C.A.R. Hoare
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