On Tue, Jul 03, 2001 at 01:02:22AM -0400, Bryan Fullerton thus sprach:
> At 12:43 AM -0400 7/3/01, Bill Vermillion wrote:
> >The only way to be sure it is OS related [and I suspect it is not]
> >is to take your machine to their location. DSL can vary in speed
> >from location to location.
> Ah - here I should mention that I had similar ping times with this
> same provider when I was on the other side of the city (moved in
> March).
You neglected to say that.
....
> The pings that I provided were to the first hop, ie my gateway at the
> other end of the connection. It could be latency in my provider's
> network, I suppose, but seems unlikely it'd affect me in two
> locations and not my friend in a third (also downtown). But certainly
> possible.
Well in the above instance I am the provider and I get different
ping times at the different locations. [Just bringing this all up
and only got one running late Wednesay night]. If you provider is
not the lowest link in the chain, eg the telco providing service to
your location, you could see all sorts of speed differernces.
And customers we bring up could come back over a pipe inside our
DS3 to Bell or the ATM link to Sprint. I saw racks across the
room from Telocity and I don't know whether they were reselling or
had their own equipment in the COs and then back-hauling to the
facility I have my rack space in. [big place - in the area in back
where I only get to go when being walked through by a tech en route
to somewhere else] I saw banks of Ascend/Lucent Maxes - and a rough
guess is 30-35K worth of digital modems. I believe 15K of those
was being routed from another city back to the central transport.
I think about 1/2 of those [at least 15,000] are for AOL.
> > BTW I am NOT using PPPoE but PPoA.
> So.. not actually doing packet encapsulation and authentication with
> FreeBSD PPP then? If so, then we're not comparing apples to apples.
But I was tyring to point out - and not very well at that - that
just being from the same provider doesn't mean all that much.
Before Northpoint folded a lot of the local ISP's were just
reselling their services. One ISP also dropped their own DSLAM
into a few large business type locations and back-hauled to their
central site - and they only have DS3 to the outside world and at
times those get overloaded.
So things could vary greatly with the same provider at different
location points depending on how they link back to their connects.
--
Bill Vermillion - bv @ wjv . com
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