[Bloat] [Starlink] [Cake] [Make-wifi-fast] [Cerowrt-devel] Due Aug 2: Internet Quality workshop CFP for the internet architecture board

Dick Roy dickroy at alum.mit.edu
Sun Aug 8 01:07:10 EDT 2021




From: Starlink [mailto:starlink-bounces at lists.bufferbloat.net] On Behalf Of
Bob McMahon
Sent: Monday, August 2, 2021 6:24 PM
To: Leonard Kleinrock
Cc: starlink at lists.bufferbloat.net; Make-Wifi-fast; Cake List;
codel at lists.bufferbloat.net; cerowrt-devel; bloat
Subject: Re: [Starlink] [Cake] [Make-wifi-fast] [Cerowrt-devel] Due Aug 2:
Internet Quality workshop CFP for the internet architecture board


I found the following talk relevant to distances between all the nodes.

Distance is an abstract idea but applies to energy into a node as well as
phylogenetic trees. It's the same problem, i.e. fitting a distance matrix
using some sort of tree. I've found the five branch tree works well for four

[RR] These trees are means for approximating a higher dimensional real-world
problem with a lower dimensional structure.  You may be doing this to save
hardware when trying to cable up some complex test scenarios, however I'm
wondering why?  Why not just put the STAs in the lab and turn them on rather
than cabling them?



On Mon, Aug 2, 2021 at 5:37 PM Leonard Kleinrock <lk at cs.ucla.edu> wrote:

These cases are what my student, Fouad Tobagi and I called the Hidden
Terminal Problem (with the Busy Tone solution) back in 1975.


> On Aug 2, 2021, at 4:16 PM, David Lang <david at lang.hm> wrote:
> If you are going to setup a test environment for wifi, you need to include
the ability to make a fe cases that only happen with RF, not with wired
networks and are commonly overlooked
> 1. station A can hear station B and C but they cannot hear each other
> 2. station A can hear station B but station B cannot hear station A 3.
station A can hear that station B is transmitting, but not with a strong
enough signal to decode the signal (yes in theory you can work around
interference, but in practice interference is still a real thing)
> David Lang

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