[NNagain] On "Throttling" behaviors

[Dave Cohen]

I admittedly know little about the service from the radio out in FWA deployments like this but have done a lot of work in the aggregation and backhaul arenas in both environments. The advantage the FWA folks have is that it is significantly more financially viable to not oversubscribe (or oversubscribe less) when you deliver more users from a more centralized next hop location. In other words, it’s easier and cheaper to have 100 Gbps serving 1000 users from a single location than it is to have 1 Gbps serving 10 users from 100 different locations. Which is not to say that there aren’t other challenges in FWA environments relative to FTTx environments, but system capacity (you can always add more radios, with enough available spectrum, at least) isn’t one of them.

Dave Cohen
craetdave at gmail.com

> On Oct 5, 2023, at 6:17 PM, Dick Roy via Nnagain <nnagain at lists.bufferbloat.net> wrote:
> 
> 
> Has anyone done an analysis of the capacity of FWA systems (in bits/sec/Hz/km^3)????  I am suspicious that the capacity falls way short of that which cable guys have at their disposal, and that as the FWA networks get loaded, performance is going to degrade dramatically ultimately resulting in churn back to the cable guys.  It's very expensive to compete with already sunk FTTH or even FTTC.  
>  
> RR
>  
> -----Original Message-----
> From: Nnagain [mailto:nnagain-bounces at lists.bufferbloat.net] On Behalf Of Livingood, Jason via Nnagain
> Sent: Thursday, October 5, 2023 1:25 PM
> To: Network Neutrality is back! Let´s make the technical aspects heard this time!
> Cc: Livingood, Jason
> Subject: Re: [NNagain] On "Throttling" behaviors
>  
> > On 10/4/23, 13:45, "Nnagain on behalf of David Lang via Nnagain" <nnagain-bounces at lists.bufferbloat.net <mailto:nnagain-bounces at lists.bufferbloat.net> on behalf of nnagain at lists.bufferbloat.net <mailto:nnagain at lists.bufferbloat.net>> wrote:
>  
> > It's an unfortunate fact of reality that the enviornment in the US is one where
> there is very little competition in the ISP space
>  
> The SEC 10-K filings of ISPs no longer support that. Most wireline ISPs are losing subscribers (at material levels) to one of the three new national 5G FWA ISPs (Verizon, T-Mobile, AT&T). In addition, we will in a few years see the effects of $45B+ of grant money dedicated to underwrite new broadband access network construction - that is also pretty material.
>  
> Per https://telecoms.com/523519/growth-in-5g-fwa-kit-matches-operator-hype/
> - " 5G FWA customer premises equipment shipments more than doubled to 7.4 million last year and should reach 13.8 million – that’s 86% growth – this year "
> - " The GSA survey shows overall FWA CPE shipments of 25.5 million units last year, "
> - " Statistics shared by Leichtman Research Group recently showed that T-Mobile and Verizon together recorded the best part of 900,000 5G FWA net adds in the second quarter of this year, significantly more than the virtually flat cable segment and ahead of the wireline broadband market, which lost almost 62,000 customers in the three months. "
>  
> JL
>  
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