Travis, what's the pricing on Canopy?
Norm
----- Original Message -----
From: "Travis Lists" <travis-lists@netwaveinternet.com>
To: "'Karlnet Mailing List'" <karlnet@WISPNotes.com>
Sent: Thursday, September 11, 2003 5:23 AM
Subject: RE: [Karlnet] RE: Ping Jitter
> I have had the same issue for a year now.
>
> Finally narrowed it down to a handful of customers with bad SNRs (<15 or
> so), and moved them to a different system. Still, I see the ugly ping
> monster rear its head on a daily basis. Something similar happens when a
> single customer saturates a link with traffic.
>
> We're moving to Canopy. We did our first install yesterday -- fastest
> and easiest install I have EVER done, and I got a 3Mbit connection out
> of it. Sweet! :-)
>
> Travis
>
> -----Original Message-----
> From: karlnet-bounces@WISPNotes.com
> [mailto:karlnet-bounces@WISPNotes.com] On Behalf Of Bob Hrbek
> Sent: Thursday, September 11, 2003 12:00 AM
> To: Timothy J Steele MCSE; Karlnet Mailing List
> Subject: Re: [Karlnet] RE: Ping Jitter
>
>
> I have seen the same. So...I'm totally screwed.
>
> I'm not going to change out 30 subs antenna or overamp the sector to get
> the "greater than 15db" SNR.
>
> Turn off polling and what's the big advantage to Karlnet?
>
> This sucks. I guess it's time to deploy an 802.11b AP and start doing
> the new installs that way.
>
> -bob
> ----- Original Message -----
> From: "Timothy J Steele MCSE" <tsteele@e-isco.com>
> To: <karlnet@WISPNotes.com>
> Sent: Wednesday, September 10, 2003 10:45 PM
> Subject: [Karlnet] RE: Ping Jitter
>
>
> > We have the same exact problem on ALL our mountain sites. We currently
> have
> > five mountain sites with 40+ subscribers each. All are running Karl
> > Net flash ROM units with at least 1 GHz CPUs and 256mb of system RAM.
> > We have been running with 40+ clients on at least two of the sites for
>
> > over three years with no "ping jitter" whatsoever. All of our sites
> > are monitored and logged via SMTP. The "ping jitter" problem appeared
> > on our sites once we moved from the 3.x version (3.88) to the 4.x
> > (4.43) version. Once we
> noticed
> > this we began a small lab test to narrow down where the problem
> > resides. What we found was polling was the cause. Whenever we would
> > disable the polling functionality of the base unit the ping times
> > would return to the normal 10ms to 30ms range. Once we enabled pooling
>
> > the ping times would change dramatically from 10ms to over 400ms.
> > Poling by itself would
> increase
> > the latency, then when we created some weak SNR signals to our test
> > lab
> the
> > latency would increase dramatically. It seems that the pooling of the
> > base station is effected by the SNR of each subscriber. Once you get
> > several
> weak
> > subscribers (15db and under) the latency seems to increase
> > exponentially. This problem does not occur when we flash our lab unit
> > with the older 3.88 version. The latency remains consistent between 10
>
> > and 40 ms. it is
> affected
> > by poor SNR bur not as dramatically as the 4.x versions. It would seem
>
> > to eliminate the "ping jitter" you have two choices, one "turn of
> > poling"
> this
> > fixes the problem immediately but then you loose the ability to
> > support
> the
> > NDIS version of the Karl Net client software (this includes the new
> > Ubicom units since they are a variant of the NDIS client). Or
> > downgrade to the
> 3.x
> > version and loose a whole bunch of new base software features. At this
> time
> > we are doing everything we can to maximize SNR on all our subscribers
> > to
> at
> > least reduce the latency and wait for Karl Net to address the issue in
>
> > a future BIN release.
> >
> > Timothy Steele
> > e-ISCO Internet
> > MCSE, MCP, MCI
> > tsteele@e-isco.com
> > www.e-isco.com
> >
> >
> > _______________________________________________
> > Karlnet mailing list
> > Karlnet@WISPNotes.com
> > http://lists.wispnotes.com/mailman/listinfo/karlnet
> >
>
> _______________________________________________
> Karlnet mailing list
> Karlnet@WISPNotes.com
> http://lists.wispnotes.com/mailman/listinfo/karlnet
>
> _______________________________________________
> Karlnet mailing list
> Karlnet@WISPNotes.com
> http://lists.wispnotes.com/mailman/listinfo/karlnet
|