*BSD News Article 73355


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From: "Farthing W. Fox" <fox@vulpes.demon.co.uk>
Newsgroups: demon.ip.support,demon.tech.unix,comp.unix.bsd.freebsd.misc
Subject: Re: Batch FTP and Web Pages
Date: 10 Jul 1996 21:10:56 +0100
Organization: Vulpes Corporation UK
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>>>>> In article <4rtrbh$2s8@avondale.demon.co.uk>, jfhall@avondale.demon.co.uk (John F Hall) writes:

John> In article <4rr0us$fj@anorak.coverform.lan>, Brian Somers <brian@awfulhak.demon.co.uk> wrote:
>> John F Hall (jfhall@avondale.demon.co.uk) wrote:
>> : In article <4rjrkt$ih@anorak.coverform.lan>, : Brian Somers <brian@awfulhak.demon.co.uk> wrote:
>> Right.... so..... if we add the bandwidths of the lines, we have one
>> line....  I'm talking virtual.  We're all routing through one router

John> Ah, yes, if you add all the bandwidths together and *pretend*
John> they're one line, there's one line.  Big deal.  BTW there's *not*
John> just one router.

FYI, two main routers, the COWS (ermin and trude) in Finchley, and the
core routers A and B in Telehouse.

>> - at least everyone I know on demon connects to demon-du.demon.co.uk.

John> Ever heard "when you're in a hole, stop digging" - or are you
John> determined to show you don't know what you're talking about!

John> demon-du.demon.co.uk is *not* a router, it's the access computer
John> one dials into.  "demon-du" - demon-dial-up - get it?

John> demon-du.demon.co.uk is *not* a single machine, it's a name that
John> is aliased to whichever machine you dial into, of which there are
John> *many*.  It's done so that everyone has a single name they can
John> build into access scripts if needed.

True, on half of that. On each of the dialup machines (both the ascends
and the morningstars) have a fake interface to demon-du.demon.co.uk.
However, there is a machine called demon-du.demon.co.uk - it really
exists - so, work that one out :) 

John> The roundabout way to Columbus Ohio via psi.net, mae-west, and San
John> Fransisco makes me think that that route went down the new line.
John> :-)

All US traffic is going over the DS3 - it's unlikely, but not
impossible, that you'll be routed over the T1's. They're basically a
backup now should the DS3 wibble violently.

>> Ok, I agree with this, there are bottlenecks outside of demon, but I
>> think that the whole UK-US thing is almost completely Demons fault.

Of course - Demon is entirely to blame for obtaining a 45Mbit line to
the US. I've not heard them blame anyone else - well, okay then - BT was
to blame for it being late, but that's probably because a) they provided
the line and b) they wanted to be first by giving priority to theirs.

-- 
F W Fox
fox@vulpes.demon.co.uk