I'd be grateful for any information on how to calculate for large scale wifi deployment
On Sat, Jun 20, 2015 at 2:01 PM Ray Soucy <r...@maine.edu> wrote: > Compared to the old model of just providing coverage, it's definitely > higher density. I think the point I was trying to make is that the old > high density is the new normal, and what most on list would consider high > density is more along the lines of stadium wireless. I wouldn't really > focus on the term too much, though. It's just a distraction from the real > question. > > The answer as always is "it depends". Without detailed floor plans, > survey information, and information on what kind of demand users will place > on the network, there is really no way to tell you what solution will work > well. > > If you need to service residential areas or hostel units you might be > better off looking at some of the newer AP designs that have come out in > the last year or so targeting that application, like the Cisco 702 or the > Xirus 320. > > The general design of these units is that they're both a low-power AP and > a small switch to provide residents with a few ports to plug in if they > need to. This allows you to have one cable drop to each room instead of > having to run separate jacks for APs and wired connections. The units are > wall-mount and if you have a challenging RF environment this design can be > really effective. > > I've never run Xirrus personally, but I think they were used for the last > NANOG conference. > > > > > > On Sat, Jun 20, 2015 at 6:41 AM, Sina Owolabi <notify.s...@gmail.com> > wrote: > >> Thanks everybody. I've been corrected on density... I've been informed >> that it's to be a minimum of 1000 users per building. >> That's 8,000 users. (8 buildings, not counting walkways and courtyards, >> admin, etc.) >> Does this qualify as high-density? >> >> On Sat, Jun 20, 2015 at 5:33 AM Ray Soucy <r...@maine.edu> wrote: >> >>> Well, I could certainly be wrong, but it's news to me if UBNT started >>> supporting DFS in the US. >>> >>> Your first screenshot is listing the UAP for 5240 which is channel 48, >>> U-NII-1. The second show 5825 which is the upper limit of U-NNI-3. I >>> don't see any U-NII-2 in what you posted. >>> >>> This forum post may be a bit out of date, but I haven't seen any >>> announcement or information on the forums to indicate the situation has >>> changed, and I'm pretty good at searching: >>> >>> https://community.ubnt.com/t5/UniFi-Wireless/DFS/m-p/700461#M54771 >>> >>> From this thread it looks like the ability to configure DFS channels in >>> the >>> US was a UI bug and only showing for ZH anyway. IIRC they actually got >>> in >>> a bit of trouble with the FCC over not restricting the use of these >>> channels enough. >>> >>> Regardless of whether or not the FCC has cleared UBNT indoor products for >>> U-NII-2 and U-NII-2-extended (and I haven't seen evidence of that yet), >>> until you can configure APs to use those channels in the controller >>> without >>> violating FCC regulations I don't consider them usable. >>> >>> The UAP-AC doesn't seem to support DFS channels at all even without FCC >>> restrictions, which kind of kills the point of AC, only 4 x 40 MHz or 2 x >>> 80 MHz channels doesn't cut it when we're talking about density. >>> >>> Note we're talking about indoor wireless and there ARE some UBNT products >>> for outdoor WISP use that do support DFS and have been cleared by the >>> FCC, >>> but we would only be looking at the UAP-PRO or UAP-AC in this case so >>> maybe >>> that's the point of confusion here. >>> >>> >>> >>> >>> On Fri, Jun 19, 2015 at 11:36 PM, Faisal Imtiaz < >>> fai...@snappytelecom.net> >>> wrote: >>> >>> > FCC Cert claims different. >>> > >>> > :) >>> > >>> > Faisal Imtiaz >>> > Snappy Internet & Telecom >>> > 7266 SW 48 Street >>> > Miami, FL 33155 >>> > Tel: 305 663 5518 x 232 >>> > >>> > Help-desk: (305)663-5518 Option 2 or Email: supp...@snappytelecom.net >>> > >>> > ------------------------------ >>> > >>> > *From: *"Josh Luthman" <j...@imaginenetworksllc.com> >>> > *To: *"Faisal Imtiaz" <fai...@snappytelecom.net> >>> > *Cc: *"NANOG list" <nanog@nanog.org>, "Ray Soucy" <r...@maine.edu> >>> > *Sent: *Friday, June 19, 2015 9:16:37 PM >>> > >>> > *Subject: *Re: Whats' a good product for a high-density Wireless >>> network >>> >>> > setup? >>> > >>> > Uhm he's not wrong... >>> > >>> > Josh Luthman >>> > Office: 937-552-2340 >>> > Direct: 937-552-2343 >>> > 1100 Wayne St >>> > Suite 1337 >>> > Troy, OH 45373 >>> > On Jun 19, 2015 9:13 PM, "Faisal Imtiaz" <fai...@snappytelecom.net> >>> wrote: >>> > >>> >> >>>The thing you need to watch out for with Ubiquiti is that they >>> don't >>> >> support DFS, so the entire U-NII-2 channel space is off limits for 5 >>> GHz. >>> >> >>> >> Huh ???? >>> >> >>> >> Please verify your facts before making blanket statements which are >>> not >>> >> accurate ... >>> >> >>> >> >>> >> >>> >> Faisal Imtiaz >>> >> Snappy Internet & Telecom >>> >> >>> >> >>> >> ----- Original Message ----- >>> >> > From: "Ray Soucy" <r...@maine.edu> >>> >> > To: "Sina Owolabi" <notify.s...@gmail.com> >>> >> > Cc: "nanog@nanog.org list" <nanog@nanog.org> >>> >> > Sent: Friday, June 19, 2015 7:07:01 PM >>> >> > Subject: Re: Whats' a good product for a high-density Wireless >>> network >>> >> setup? >>> >> > >>> >> > I know you don't want to hear this answer because of cost but I've >>> had >>> >> good >>> >> > luck with Cisco for very high density (about 1,000 clients in a >>> packed >>> >> > auditorium actively using the network as they follow along with the >>> >> > presenter). >>> >> > >>> >> > The thing you need to watch out for with Ubiquiti is that they don't >>> >> > support DFS, so the entire U-NII-2 channel space is off limits for 5 >>> >> GHz. >>> >> > That's pretty significant because you're limited to 9 x 20 MHz >>> channels >>> >> or >>> >> > 4 x 40 MHz channels. Keeping the power level down and creating >>> small >>> >> cells >>> >> > is essential for high density, so with less channels your hands are >>> >> really >>> >> > tied in that case. Also, avoid the Zero Handoff marketing nonsense >>> they >>> >> > advertise; I'm sure it can work great for a low client residential >>> area >>> >> but >>> >> > it requires all APs to share a single channel and depends upon >>> >> coordinating >>> >> > only one active transmitter at a time, so it simply won't scale. >>> >> > >>> >> > I don't have experience with other vendors at large scale or high >>> >> density. >>> >> > >>> >> > I don't think what you're talking about is really high density >>> anymore >>> >> > though. That's just normal coverage. Wireless is a lot more >>> >> complicated >>> >> > than selecting a vendor, though. If you know what you're doing even >>> >> > Ubiquiti could work decently, but if you don't even a Cisco solution >>> >> won't >>> >> > save you. You really need to be on top of surveying correctly and >>> >> having >>> >> > appropriate AP placement and channel distribution. >>> >> > >>> >> > >>> >> > >>> >> > >>> >> > >>> >> > On Fri, Jun 19, 2015 at 1:57 AM, Sina Owolabi < >>> notify.s...@gmail.com> >>> >> wrote: >>> >> > >>> >> > > Hi >>> >> > > >>> >> > > We are profiling equipment and design for an expected high user >>> >> density >>> >> > > network of multiple, close nit, residential/hostel units. Its >>> going >>> >> to be >>> >> > > 8-10 buildings with possibly a over 1000 users at any given time. >>> >> > > We are looking at Ruckus and Ubiquiti as options to get over the >>> high >>> >> > > number of devices we are definitely going to encounter. >>> >> > > >>> >> > > How did you do it, and what would you advise for product and >>> layout? >>> >> > > >>> >> > > Thanks in advance! >>> >> > > >>> >> > >>> >> > >>> >> > >>> >> > -- >>> >> > Ray Patrick Soucy >>> >> > Network Engineer >>> >> > University of Maine System >>> >> > >>> >> > T: 207-561-3526 >>> >> > F: 207-561-3531 >>> >> > >>> >> > MaineREN, Maine's Research and Education Network >>> >> > www.maineren.net >>> >> > >>> >> >>> > >>> > >>> >>> >>> -- >>> Ray Patrick Soucy >>> Network Engineer >>> University of Maine System >>> >>> T: 207-561-3526 >>> F: 207-561-3531 >>> >>> MaineREN, Maine's Research and Education Network >>> www.maineren.net >>> >> > > > -- > Ray Patrick Soucy > Network Engineer > University of Maine System > > T: 207-561-3526 > F: 207-561-3531 > > MaineREN, Maine's Research and Education Network > www.maineren.net >
