[1st-mile-nm] Wireless backhaul

[Michael Harris]

Not too shabby.

How long are your AirFiber links and have you seen rain fade issues? We
tried a pair down here - it ran great for 12hrs, then lost the link and
would never associate again. Wound up RMA'ing and the replacements are
sitting in limbo of being returned for the dealer or unboxed for another
try.

-Michael


On Thu, May 2, 2013 at 7:45 PM, John Brown <john at citylinkfiber.com> wrote:

> Thanks for the kind words....  We try and are constantly improving.
>
> We have nearly 2 dozen air-fibers in operation in ABQ.
>
> I have only two words to say about them.   THEY WORK(tm)
>
> There are certain tricks and skill/craft to make them work.
>
> Many network operators get away with engineering murder on the 2.4 thru
> 5.8 Ghz spectrum / gear.
> The slop you can get away with on the "WiFi-ish" gear will kill you, crush
> you, on the higher end stuff.
>
> You must ALWAYS engineer your paths, down to a nats-a....   If you don't,
> you will have problems.
> RF Engineering
> Physical hard touch LOS inspection (I love my bucket truck :)  )
> Bandwidth engineering and management if over subscribing
> Core / critical links are always licensed, or unique enough from the noise
> Tight beams (be a good neighbor)
> Proper QOS handling on packets.
> Monitor, Monitor, Monitor  read do LOTS of SNMP and watch it.
> Installation standards that are verified and are tight with each install.
>
> Each site survey we do takes about 10 minutes for prelim (yes /no)
> If yes and customer is willing to pay the rates, then the real
> survey/engineering is about 3 to 4 hours.
> Only if Yes from this process will we install.  No marginal.
>
> My house gets this http://www.speedtest.net/result/2675514643.png
> It's a UBNT Rocket M5-Ti back to another M5-Ti (ptp) then to an AF24 to
> downtown.
> It's a routed link via a Cisco 3650G that glues the AF24 to the M5-Ti ptp
> and sector gear
>
> None of our sector or backhaul ptp's have anything less than a GigE
> Ethernet port on the radio.
> The ether shouldn't be the limiting factor on the path.
>
>
> > -----Original Message-----
> > From: 1st-mile-nm-bounces at mailman.dcn.org [mailto:1st-mile-nm-
> > bounces at mailman.dcn.org] On Behalf Of Michael Harris
> > Sent: Thursday, May 02, 2013 7:31 PM
> > To: 1st-mile-nm at mailman.dcn.org
> > Subject: [1st-mile-nm] Wireless backhaul
> >
> > John's response just now about CityLink Wireless's backhaul capabilities
> > impressed me greatly. I've seen excellent performance in the 100Mb range
> > from LigoWave and Ubiquti equipment, but have been unimpressed with
> > Ubiquiti's AirFiber, which claims to offer gigabit throughput.
> >
> > What are other people using and what are your feelings about the wireless
> > market in general?
> >
> > --
> >
> > Michael Harris
> > --
> > President, Visgence Inc.
> > www.visgence.com <http://www.visgence.com/>
>



-- 
Michael Harris
--
President, Visgence Inc.
www.visgence.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www2.dcn.org/pipermail/1st-mile-nm/attachments/20130502/d31a6252/attachment.html>